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Find the approximate area of a circle that has a diameter of 11 inches. Round your answer to the nearest hundredth.

A = ___ in.2

Answers

Answer 1

Answer:

A = 95.03in² or 95.03 ( rounded to the nearest hundredth )

Step-by-step explanation:

The approximate area of a circle that has a diameter of 11 inches, rounded to the nearest hundredth is 95.03.

Formula: A=1/4πd²

A=1

4πd^2=95.03.

4·π·11^2≈95.03318in²


Related Questions

Describe the translation. y=(x+3)2+4 → y=(x+1)2+6

Answers

Answer:

Shift +2 units to the right and +2 units up

Step-by-step explanation:

y = (x+3)² + 4 has a horizontal shift of -3 and a vertical shift of +4.

y = (x+1)² + 6 has a horizontal shift of -1 and a vertical shift of +6.

So do translate the first equation to the second, shift +2 units to the right and +2 units up.

veronica takes 1/3 of an hour to write 1/4 of a page of
calligraphy. how long will it take veronica to write one page?

Answers

Answer:

4/3 hours  or 1 hour 20 minutes.

Step-by-step explanation:

1/4 page takes 1/3 hour to write.

By proportion 1 page will take 1/3  / 1/4

=  1/3 * 4

= 4/3 hours.

Answer:

[tex]1\frac{1}{3}\text{ hours}[/tex]

Step-by-step explanation:

Given,

Time taken to write 1/4 of a page = [tex]\frac{1}{3}[/tex] hour,

i.e. the ratio of time taken and number of pages wrote = [tex]\frac{1/3}{1/4}=\frac{4}{3}[/tex]

Let x be the time taken to write a full page,

So, the ratio of time taken( in hours ) and page wrote = [tex]\frac{x}{1}[/tex]

[tex]\implies \frac{x}{1}=\frac{4}{3}[/tex]

[tex]x=1\frac{1}{3}[/tex]

Hence, the time taken to write 1 page is [tex]1\frac{1}{3}[/tex] hours.

What is the y-intercept of the line perpendicular to the line y = 4/3x + 1 that includes the point (4, 1)?

Answers

[tex]\bf y=\stackrel{\downarrow }{\cfrac{4}{3}}x+1\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill[/tex]

[tex]\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{\cfrac{4}{3}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{3}{4}}\qquad \stackrel{negative~reciprocal}{-\cfrac{3}{4}}}[/tex]

so then, we know this line has a slope of -3/4 and runs through (4 , 1)

[tex]\bf (\stackrel{x_1}{4}~,~\stackrel{y_1}{1})~\hspace{10em} slope = m\implies -\cfrac{3}{4} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-1=-\cfrac{3}{4}(x-4)\implies y-1=-\cfrac{3}{4}x+3[/tex]

[tex]\bf y=-\cfrac{3}{4}x\stackrel{\downarrow }{+4}\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}~\hfill \stackrel{\textit{y-intercept}}{(0,4)}[/tex]

The radius of the cone is 1.75 inches, and its height is 3.5 inches. If the diameter of the bubble gum ball is 0.5 inches, what is the closest approximation of the volume of the cone that can be filled with flavored ice?

Answers

Answer:

=11.155 in³

Step-by-step explanation:

Given data:

Radius= 1.75 inches

Height = 3.5 inches

Diameter= 0.5 inches

To find the volume of a cone we will apply the formula:

Volume of a cone = 1/3 πr²h

Substitute the values:

V= 1/3* 3.14 *(1.75)² * 3.5

V=1/3 *3.14*(3.0625)* 3.5

V= 33.66/3

V=11.22 in³

Now find the volume of the bubble gum:

Volume of bubble gum = 4/3 π*r³

Substitute the values:

V= 4/3*3.14*(0.5/2)³

V=4/3*3.14(0.25)³

V=4/3*3.14(0.015625)

V=0.19625/3

V=0.0654 in³

Now subtract the volume of bubble gum ball from the volume of a cone

=11.22 - 0.0654

=11.155 in³

Thus the closest approximation of the volume of the cone that can be filled with flavored ice is 11.155 in³....

Answer:

11.15 in³

Step-by-step explanation:

The shortest path from point A to point B goes through a pond. To avoid
the pond, you must walk straight 23 meters along one edge of the pond,
then take a 90-degree turn, and again walk straight 57 meters along
another edge of the pond to reach point B. If you could walk through the
pond, what would be the distance from point A to point B?

Answers

Final Answer:

The direct distance from point A to point B, considering a straight path through the pond, is 80 meters. This is obtained by applying the Pythagorean theorem to the right-angled triangle formed by walking 23 meters and then 57 meters along the edges of the pond. Subtracting the initial 23 meters provides the actual direct distance.

Step-by-step explanation:

In this scenario, we can apply the Pythagorean theorem to find the direct distance from point A to point B. Let's denote the sides of the right-angled triangle formed by walking along the edges of the pond as follows: the first leg (along one edge) is \(a = 23\) meters, the second leg (along the other edge) is [tex]\(b = 57\)[/tex] meters, and the hypotenuse (direct distance from A to B, walking through the pond) is (c). According to the Pythagorean theorem, [tex]\(c^2 = a^2 + b^2\).[/tex]

Substituting the given values, we get [tex]\(c^2 = 23^2 + 57^2\).[/tex] Calculating this gives [tex]\(c^2 = 529 + 3249\)[/tex], resulting in [tex]\(c^2 = 3778\)[/tex]. Taking the square root of both sides gives [tex]\(c ≈ \sqrt{3778} ≈ 61.47\)[/tex]. Therefore, the direct distance from point A to point B, walking through the pond, is approximately 61.47 meters.

However, since the question asks for the distance considering walking straight through the pond, we need to add the lengths of both sides of the pond. Thus, [tex]\(61.47 + 23 + 57 = 80\)[/tex]. Therefore, the final answer is 80 meters. This approach considers the direct path, incorporating the lengths of the edges and the hypotenuse, providing the most accurate measurement for the distance from point A to point B.

A school day starts at 07:15. There are three periods of 40 minutes, four periods of 35 minutes and two periods of 50 minutes. There is a long break of 20 minutes and a short break of 10 minutes. Calculate the time that the school day ends. ​

Answers

Answer:

the school day ends at 1:45

Step-by-step explanation:

7:15   40 x 3 = 120

+2 hours =

9:15   35 x 4 = 140

+2 hours & 20 mins =

11:35   50 x 2 = 100

+1 hour & 40 mins

1:15   20 + 10 = 30

1:45

you're welcome((:

if trapezoid JKLM is translated according to the rule (x, y) -> (x + 8, y - 3), what are the coordinates of point L'?

A. (1, -5)

B. (-10, 6)

C. (-5, 3)

D. (6, -8)​

Answers

Answer:

D.

Step-by-step explanation:

First step: Identify the point for L.

L is at (-2,-5).

We are plugging this (x,y) into (x+8,y-3) to see where it takes us.

(-2+8,-5-3)=(6,-8).

The solution is D.

Answer: OPTION D

Step-by-step explanation:

You can observe in the figure that the coordinates of the point L are:

[tex]L(-2,-5)[/tex]

You know that the trapezoid rule applied for the translation of the trapezoid JKLM is:

[tex](x, y)[/tex]→[tex](x + 8, y - 3)[/tex]

Therefore, in order to find the coordinates of the point L', you need to add 8 to the x-coordinate of the point L and subtract 3 from the y-coordinate of the point L.

Then:

[tex]L'(-2 + 8, -5 - 3)\\\\L'(6,-8)[/tex]

Consider the following system of equations. -10x2-10y2=-300 5x2+5y2=150 Which statement describes why the system has infinite solutions?

Which statement describes why the system has infinite solutions?
The equations represent parabolas that result in graphs that do not intersect.
The equations represent circles that result in graphs that do not intersect.
The equations represent parabolas that result in the same graph.
The equations represent circles that result in the same graph.

Answers

Answer:

The equations represent circles that result in the same graph.

Step-by-step explanation:

we have

[tex]-10x^{2}-10y^{2}=-300[/tex]

Divide by -10 both sides

[tex]x^{2}+y^{2}=30[/tex] -----> equation A

This is the equation of a circle centered at origin with radius [tex]r=\sqrt{30} \ units[/tex]

and

[tex]5x^{2}+5y^{2}=150[/tex]

Divide by 5 both sides

[tex]x^{2}+y^{2}=30[/tex] -----> equation B

This is the equation of a circle centered at origin with radius [tex]r=\sqrt{30} \ units[/tex]

equation A and equation B are equal

therefore

The system has infinite solutions, because the equations represent circles that result in the same graph.

What is the equation of the line graphed below?

Answers

Answer:

The equation is y = 2x. The slope is two and the line is a direct variation

Solve this equation for x. Round your answer to the nearest hundredth. 0.75=logx

Answers

Answer:

Step-by-step explanation:

[tex]10^.^7^5=10^l^o^g^(^x^)\\=10^.^7^5=x\\=10^\frac{3}{4}=\sqrt[4]{10^3} =\sqrt[4]{1000} =5.6=x[/tex]

Final answer:

To solve the equation 0.75 = log(x), we exponentiate both sides with base 10, resulting in x = 10^0.75. The calculated value of x to the nearest hundredth is approximately 5.62.

Explanation:

To solve the equation 0.75 = log(x), we need to understand that the logarithm function here is the common logarithm, which means it has a base of 10. The equation essentially states that 10 raised to the power of 0.75 equals x. To find x, we simply need to perform the inverse operation of taking the logarithm, which in this case is exponentiation.



We use the fact that if logb(a) = c, then bc = a, where b is the base, a is the result, and c is the exponent. Therefore, we can rewrite our original equation as:



x = 100.75



Using a calculator, we can find that:



x ≈ 5.62



This is the value of x, rounded to the nearest hundredth, as the question requested.

In a survey of more than 4000 people, 91% of
the respondents claimed to prefer Pedro's
Perfect Pizza over any other brand of pizza.

Answers

Answer: people who have had Pedro’s perfect pizza delivered to their house in the last month

Step-by-step explanation:

I guessed and got lucky lol

What is the y-intercept of the function,represented by the table of values below?

Answers

Answer:

So the y-intercept is 10.

Step-by-step explanation:

So your table doesn't out right say the y-intercept.  If it did it would be (x=0,y=something).

So let's see if this is linear. I'm going to see if we have the same rise/run ratio per pair of points as shown in the attachment:

These ratios are all the same -6/3 = -2/1 = -4/2 = -6/3 . These are all equal to -2.

So this is a line.

Linear equations in the form y=mx+b is called slope-intercept form where m is the slope and b is the y-intercept.

We just found m to be -2.

So our equation is now in the form y=-2x+b.

We can find b, the y-intercept, by using a point on this line.  I like (4,2) from the table.

(x,y)=(4,2) with y=-2x+b will give us the information we need to find b.

2=-2(4)+b

2=-8+b

2+8=b

10=b

b=10

So the y-intercept is 10.

What is the simple interest on rs 650 for 14 weeks at 6% per annum ​

Answers

Answer:

rs 10.5 .

Step-by-step explanation:

Simple Interest  = PRT/100     where P = sum invested, R = the rate per annum, T = the time in years.

14  weeks = 14/52 years so it is:

650* 6 * (14/52) / 100

= rs 10.5.

Answer:

10.50

Step-by-step explanation:

The simple interest (I) is calculated as

I = [tex]\frac{PRT}{100}[/tex]

where P is the principal ( amount deposited), R is the rate of interest and T the time in years.

note that 14 weeks = [tex]\frac{14}{52}[/tex] of a year, hence

I = [tex]\frac{650(6)}{100}[/tex] × [tex]\frac{14}{52}[/tex]

  = [tex]\frac{650(6)(14)}{100(52)}[/tex]

  = [tex]\frac{54600}{5200}[/tex] = 10.50

During the worst periods of hyperinflation in a certain country, the price of food increase at a rate of 10% per month. State whether this increases was linear or exponential. If your food bill was 100 in one month during this period, what was it three months later?

Answers

Answer:

The increase was exponential

After three months his expense was: $133.1

Step-by-step explanation:

The increase was exponential, because if we call x the initial price, then after the first month the new price p is:

[tex]p = x (1 + \frac{10\%}{100\%})\\\\p=x(1+0.1)[/tex]

After the second month, the new price is 10% of the price of the previous month, that is:

[tex]p = [x (1 + 0.1)](1 + 0.1)\\\\p = x (1 + 0.1) ^ 2[/tex]

After month n, the price is:

[tex]p = x (1 + 0.1) ^ n[/tex]

Note that the equation has the form of an exponential growth function, where x is the initial price and n is the number of months elapsed.

In this case [tex]x = 100[/tex] and [tex]n = 3[/tex]. So:

[tex]p = 100 (1 + 0.1) ^ 3\\\\p=\$133.1[/tex]

1. Write the standard equation for a circle that has a center of (-5.-2) and a radius of 25.

Answers

Answer:

[tex](x+5)^2+(y+2)^2=625[/tex]

Step-by-step explanation:

The center-radius form a circle is [tex](x-h)^2+(y-k)^2=r^2[/tex]. Okay, it is called standard form.  But I like to call it center-radius form because it tells us the center (h,k) and the radius,r.

So we are given the following information r=25 and center=(h,k)=(-5,-2).

So we just plug this in like so:

[tex](x-h)^2+(y-k)^2=r^2[/tex]

[tex](x--5)^2+(y--2)^2=25^2[/tex]

[tex](x+5)^2+(y+2)^2=625[/tex]


The first diagram shows an equilateral triangle and a
square with the same side length S. Find the area of the
triangle Ar in terms of the area of the square As

Answers

Answer:

Ar = ¼√3 As

Step-by-step explanation:

Area of an equilateral triangle is:

Ar = ¼√3 s²

Area of a square is:

As = s²

Substituting:

Ar = ¼√3 As

. Let A = {x: x ϵ R, x2 – 5x + 6 = 0 } and B = { x: x ϵ R, x2 = 9}. Find A intersection B and A union B

Answers

[tex]x^2 – 5x + 6 = 0\\x^2-2x-3x+6=0\\x(x-2)-3(x-2)=0\\(x-3)(x-2)=0\\x=3 \vee x=2\\A=\{-2,3\}\\\\x^2=9\\x=-3 \vee x=3\\B=\{-3,3\}\\\\A\cap B=\{3\}\\A\cup B=\{-3,-2,3\}[/tex]

What is the median of this set of data values?
10, 14, 15, 17, 20, 21, 22, 25

Answers

Answer:

18,5

Step-by-step explanation:

middle numbers --> (17+20)/2 = 18,5

Thanks for submitting your question to Brainly!

Answer: 18.5

Step-by-step explanation:

Step 1) To find the median in a set of data values you must first arrange them from least greatest to greatest. Luckily, it's already done for you!

Step 2)  Then, take the two middle numbers (17 and 20) and add them.

17+20 = 37

Step 3) Now, just divide by two

37/2 = 18.5

Let me know if you have any more questions!

The results of a survey of customers at a pet supply store showed 36 owned mice, 32 owned parrots, and 14 owned both mice and parrots. How many owned either a mouse or a parrot?

Answers

54 people owned either a mouse or a parrot

Venn diagram

A Venn diagram is an illustration that uses circles to show the relationships among things or finite groups of things.

Number of people that owned only mice = 36 - 14 = 22

Number of people that owned only parrot = 32 - 14 = 18

Number of people that owned either a mouse or a parrot = 22 + 18 + 14 = 54

54 people owned either a mouse or a parrot

Find out more on Venn diagram at: https://brainly.com/question/2099071

Final answer:

By using the principle of inclusion-exclusion to find the total number of pet store customers who owned either a mouse or a parrot, we calculated that 54 customers owned at least one of the pets, taking into account that 14 customers owned both.

Explanation:

To determine the total number of store customers who owned either a mouse or a parrot, we need to apply the principle of inclusion-exclusion. This principle allows us to find the union of two sets without counting elements (customers) that are common to both sets more than once. The formula is ∑(A ∪ B) = ∑(A) + ∑(B) - ∑(A ∩ B), where ∑ denotes the number of elements in a set, A represents the group of mouse owners, B represents the group of parrot owners, and A ∩ B represents the group that owns both mice and parrots.

Applying this to our situation:

∑(A) = 36 (mouse owners)∑(B) = 32 (parrot owners)∑(A ∩ B) = 14 (owners of both mice and parrots)

Using the principle of inclusion-exclusion:

∑(A ∪ B) = 36 + 32 - 14 = 54

This means that 54 customers owned either a mouse or a parrot or both.

Which statement can be combined with its converse to form a true biconditional?

A) if the measure of an angle is 30, then it is an acute angle

B) if two lines intersect, then the two lines are not Skew.

C) if the rat is the perpendicular bisector of the segment, then the raid devices segment into two congruent segments.

D) if an angle is a straight angle, then it’s sides are opposite rays.

Answers

Final answer:

Statement C can be combined with its converse to form a true biconditional because both statements are true.

Explanation:

In order for a statement and its converse to form a true biconditional, both statements must be true. Let's analyze the given statements:

A) If the measure of an angle is 30, then it is an acute angle.

B) If two lines intersect, then the two lines are not skew.

C) If the ray is the perpendicular bisector of the segment, then it divides the segment into two congruent segments.

D) If an angle is a straight angle, then its sides are opposite rays.

Out of these options, statement C can be combined with its converse to form a true biconditional because both statements are true:

If the ray is the perpendicular bisector of the segment, then it divides the segment into two congruent segments.

If the segment is divided into two congruent segments, then the ray is the perpendicular bisector of the segment.


Prove that the diagonals of a rectangle bisect each other.

The midpoint of AC is _____

Answers

Answer:

answer is a,b

Step-by-step explanation:

I have answered ur question

The mid-point of AC is (a, b). So, option D is correct. In a rectangle, the two diagonals bisect each other at their mid-point.

How to prove that the diagonals of a rectangle bisect each other?Find the mid-points of both the diagonals of the rectangleMid-point = ((x1+x2)/2, (y1+y2)/2)If the midpoints of both the diagonals are the same then they are said to bisect each other. If they are not the same, then they are not bisecting each other.

Calculation:

The given rectangle is ABCD

Its vertices have coordinates as

A - (0, 0)

B - (0, 2a)

C - (2a, 2b)

D - (2a, 0)

The diagonals are AC and BD.

Finding their mid-points:

Mid-point of the diagonal AC = ((0 + 2a)/2 , (0 + 2b)/2)

⇒ (2a/2, 2b/2)

⇒ (a, b) ... (1)

Mid-point of the diagonal BD = ((0 + 2a)/2, (2a+0)/2)

⇒ (2a/2, 2b/2)

⇒ (a, b)  ...(2)

From (1) and (2), the midpoints of both the diagonals are equal. So, the diagonals of the rectangle ABCD bisect each other.

Hence, proved.

Therefore, the mid-point of the diagonal AC is (a, b).

Learn more about the diagonals of a rectangle here:

https://brainly.com/question/17117320

#SPJ2

Which only lists multiples of 16? 1, 2, 4, 8, 16 16, 24, 32, 40 16, 32, 48, 64 1, 2, 4, 8, 12, 16

Answers

Answer:

16, 32, 48, 64

Step-by-step explanation:

Factors of a number are the numbers another number can be divided by. Multiples are numbers that can be divided by a number. Therefore, all the numbers in the list consist of 16 X 1, 16 X 2, 16 X 3, and so on.

The multiple of 16 is,

The multiples of 16 are 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, etc.

Multiple numbers:

It is a sequence where the difference between each next number and the preceding number, i.e. two consecutive multiples or products, is equal to 16. In simple words, multiples of a number are the products obtained by multiplying the given number by other natural numbers.

So, the required lists are,

16,32,48 and 64.

Learn more about the topic multiples of the number:

https://brainly.com/question/413590

a triangular course for a canoe race is marked with buoys. the first leg is 3/10 mi, the second leg is 1/2 mi, and the third leg is 2/5 mi. how long is the race?

(the numbers are fractions)

Answers

Answer:

1 1/5 mi

Step-by-step explanation:

We need to add the three legs together

3/10 + 1/2 + 2/5

The common denominator is 10

3/10  =3/10

1/2 *5/5 = 5/10

2/5 *2/2 =4/10

3/10 + 5/10+4/10 = 12/10

10/10 = 10/10+2/10 = 1+2/10  = 1 1/5 mi

Answer:

Length of race = 1.2 miles

Step-by-step explanation:

Length of race is given by the perimeter of triangle.

Refer the given figure.

The first leg is 3/10 mi, the second leg is 1/2 mi, and the third leg is 2/5 mi.

[tex]\texttt{Perimeter =}\frac{3}{10}+\frac{1}{2}+\frac{2}{5}=\frac{3}{10}+\frac{5}{10}+\frac{4}{10}=\frac{3+5+4}{10}\\\\\texttt{Perimeter =}\frac{12}{10}=1.2 miles[/tex]

Length of race = 1.2 miles

help please can’t find the answer

Answers

Answer:

[tex]\large\boxed{V=99\pi}[/tex]

Step-by-step explanation:

The formula of a volume of a cylinder:

[tex]V=\pi r^2H[/tex]

r - radius

H - height

We have 2r = 6 → r = 3, H = 11.

Substitute:

[tex]V=\pi(3^2)(11)=99\pi[/tex]

Only the function represented by graph has an inverse function.

Answers

Answer:

Only the function represented by graph 2 has an inverse function

Step-by-step explanation:

* Lets explain the inverse of the function

- The Function is a relation between x-coordinates and the y-

 coordinates of the order pairs under the condition every

 x-coordinate has only one y-coordinate

- Ex: R = {(2 , 3) , (1 , 5) , (-2 , -3)} is a function because every x-

 coordinate has only one y-coordinate and R = {(2 , 3) , (-1 , 4) ,

 (2 , 5)} not a function because the x-coordinate 2 has two y-

 coordinates 3 and 5

- We use the vertical line to test the graph is function or not, if

 the vertical line intersects the graph in one point then the

 graph is function if intersects it in more than one point then the

 graph is not function

- We have two types of function one-to-one function and

 many-to-one function

# one-to-one function means every x-coordinate has only 1 y-coordinate

# many-to-one function means some x-coordinates have only 1

  y-coordinate

- We find the inverse function by switching x and y, then one-to-

 one function has inverse but many-to-one has not inverse

 because when we switched x and y it will be one-to-many

 means one x-coordinate has many y-coordinates and this is not

 a function

- We use the horizontal line to test the graph of the function has

 inverse or not, if the horizontal line intersects the graph in one

 point then the function of the graph has inverse if it intersects

 the graph in more than one point ,then the function of the  

 graph has no inverse

* Now lets test all the graphs by using the horizontal line

# graph 1

∵ The horizontal line cuts the graph in more than 1 point

∴ The function of graph 1 has no inverse

# graph 2

∵ The horizontal line cuts the graph in just 1 point

∴ The function of graph 2 has inverse

# graph 3

∵ The horizontal line cuts the graph in more than 1 point

∴ The function of graph 3 has no inverse

# graph 4

∵ The horizontal line cuts the graph in more than 1 point

∴ The function of graph 4 has no inverse

* Only the function represented by graph 2 has an inverse function

Find the area of a circle that has a diameter of 11 inches. Approximate Π as 3.14. Round your answer to the nearest hundredth.

A =
in. 2

Answers

Answer: 94.99 in^2

Step-by-step explanation: The equation for the area of a circle is A=πr^2. To solve this, we need to find the radius. The diameter is the whole circle, whole the radius is half. So divide the diameter by 2.

11/2 = 5.5

The radius is 5.5 inches. Plug the radius into the equation.

A=π5.5^2

Square the 5.5 first. You will get 30.25.

A=π30.25

Plug in 3.14 for pi.

A=3.14 x 30.25

Multiply.

A=94.985

Round to the nearest hundredth.

A=94.99

The area of the circle is 94.99 in^2.

answer:

94.99 in^2

hope this helps somebody

In set-builder notation, how do you write the solutions of 2x − 7 ≥ 11?

Answers

Answer:

{ x ∈ R | x ≥  9 }

Step-by-step explanation:

we have

[tex]2x-7 \geq 11[/tex]

solve for x

Adds 7 both sides

[tex]2x\geq 11+7[/tex]

[tex]2x\geq 18[/tex]

Divide by 2 both sides

[tex]x\geq 18/2[/tex]

[tex]x\geq 9[/tex]

The solution is the interval -----> [9,∞)

In set builder notation

{ x ∈ R | x ≥  9 }

All real numbers greater than or equal to 9

Ana has a rope that is 5 feet long. She divides her rope into 9 equal pieces. What is the length, in feet, of each piece of rope?

Answers

Final answer:

When a 5 feet long rope is divided into 9 equal pieces, each piece is approximately 0.56 feet long after performing the division and rounding to the nearest hundredth.

Explanation:

To find the length of each piece of rope when a 5 feet long rope is divided into 9 equal pieces, we need to divide the total length of the rope by the number of pieces. This is a division problem in arithmetic.

Division: 5 feet ÷ 9 pieces = 0.5555... feet per piece.
Since we typically want to represent a length in a more practical way, we can round this number. Rounding to the nearest hundredth, we get approximately 0.56 feet for each piece of rope.

Final answer:

To determine the length of each rope piece when a 5-foot long rope is divided into 9 equal parts, divide the total length by the number of parts, resulting in pieces that are approximately 0.5556 feet long.

Explanation:

To find the length of each piece of rope when a 5-foot long rope is divided into 9 equal pieces, we need to divide the total length of the rope by the number of pieces. Therefore, we use the division:

Length of each piece = Total length of rope ÷ Number of pieces

Length of each piece = 5 feet ÷ 9

Upon doing the division, we find that the length of each piece is approximately 0.5556 feet.

What of b make y = 2x plus b the same as y=2x? What does that value mean?




Pls answer:)

Answers

Answer:

No

Step-by-step explanation:

The short answer is no. b stands for some number. Once that number is fixed, it does not change. So the equation would look something like

y = 2x + 6  Now if you look at that again, that 6 is fixed.

If you want to put something in for x like x = 5 you get

y = 2(5) + 6

y = 10 + 6

y = 16                   b = 6 did not change.

What does y = 2x equal

y = 2*5

y = 10

10 does not equal 16.

The only exception to what I've written is b = 0. Then both equations mean the same thing. But that is an exception.

Suppose a triangle has sides a, b, and c, and that a2 + b2 < c. Let o be the
measure of the angle opposite the side of length c. Which of the following
must be true? Check all that apply.

Answers

Step-by-step explanation:

if a^2 +b^2 <c^2,

then abc is not a right triangle since for a right triangle a^2+ b^2 = c^2

The following features of the triangle are found: A. a² + b² - c² = 2 · a · b · cos θ, B. cos θ < 0, C. The triangle is not a right triangle.

How to analyze the features of a triangle

In this question we must infer all features from a triangle such that a² + b² < c². Then, the triangle is not a right triangles since relationship between side lengths is different from the relationship described by Pythagorean theorem. Then, triangle is described by law of cosine:

a² + b² - c² = 2 · a · b · cos θ

If a² + b² < c², then a² + b² - c² < 0 and 2 · a · b · cos θ < 0. Thus, we get the following result: cos θ < 0.

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