Answer:
[tex]\boxed{\text{3600 mg}}[/tex]
Step-by-step explanation:
Step 1. Calculate the number of capsules
Marilyn takes 2 capsules per day
[tex]\text{No. of capsules} = \text{90 days} \times \dfrac{\text{2 capsules}}{\text{1 day}} = \text{ 180 capsules}[/tex]
Step 2. Convert capsules to milligrams
There are 20 mg in each capsule.
[tex]\text{No. of milligrams} = \text{180 capsules} \times \dfrac{\text{20 mg}}{\text{1 capsule}} = \textbf{3600 mg}\\\\\text{Marilyn will take } \boxed{\textbf{3600 mg}} \text{ of Pirixocam}[/tex]
solve 2/5+1/4+7/10= in simplest form
Answer:
1.35 or 27/20
Step-by-step explanation:
(2/5) + (1/4) + (7/10)
= 0.4 + 0.25 + 0.7
= 1.35 or 27/20
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.
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.
. 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
[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 equivalent to 10/10^3/4
[tex]\bf ~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\\\ ~\hspace{7em}\textit{rational exponents} \\\\ a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} ~\hspace{10em} a^{-\frac{ n}{ m}} \implies \cfrac{1}{a^{\frac{ n}{ m}}} \implies \cfrac{1}{\sqrt[ m]{a^ n}} \\\\[-0.35em] \rule{34em}{0.25pt}[/tex]
[tex]\bf \cfrac{10}{10^{\frac{3}{4}}}\implies \cfrac{10^1}{10^{\frac{3}{4}}}\implies \cfrac{10^{\frac{4}{4}}}{10^{\frac{3}{4}}}\implies 10^{\frac{4}{4}}\cdot 10^{-\frac{3}{4}}\implies 10^{\frac{4}{4}-\frac{3}{4}}\implies 10^{\frac{1}{4}}\implies \sqrt[4]{10}[/tex]
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
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.
94.99 in^2
hope this helps somebody
drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. solve for x and match the solutions
The solutions to the linear equations in variable x and unknown constant [tex]\alpha[/tex] are [tex]\frac{-\alpha}{6}[/tex], [tex]\frac{3}{\alpha}[/tex] and [tex]\frac{-6}{\alpha}[/tex].
What is a linear equation?A linear equation is an algebraic equation of degree one. In general, the variable or the variables(in the case of a linear equation in two variables) the variables are x and y.
We are given linear equations in variable x with an unknown constant [tex]\alpha[/tex] and we have to solve for x.
[tex]4 = \frac{6}\alpha}x + 5\\\\\frac{6}{\alpha}x = - 1\\\\x = \frac{-\alpha}{6}[/tex].
[tex]7 + 2\alpha{x} = 13.\\\\2\alpha{x} = 6.\\\\x = \frac{3}{\alpha}[/tex]
[tex]-\alpha{x} - 20 = -14.\\\\-\alpha{x} = 6.\\\\x = \frac{-6}{\alpha}[/tex]
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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)
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]
What of b make y = 2x plus b the same as y=2x? What does that value mean?
Pls answer:)
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.
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.
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?
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.
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?
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 is the y-intercept of the function,represented by the table of values below?
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.
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.
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((:
One triangle has the hypotenuse of 26 and the shortest side is 10, what is the other side?
a. 22
b. 25
c. 24
d. 23
Answer:
C. 24
Step-by-step explanation:
In a right triangle, the sum of the squares of the two legs of the triangle is equivalent to the square of the hypotenuse.
a²+b²=c²
a=10
b=?
c=26
Let us substitute with the values given in the question.
10²+b²=26²
100+b²=676
b²=676-100
b²=576
b=√576
=24
The other leg of the triangle is 24 units long.
Answer: option c.
Step-by-step explanation:
You need to use the Pythagorean Theorem. This is:
[tex]a^2=b^2+c^2[/tex]
Where "a" is the hypotenuse and "b" and "c" are legs of the triangle.
In this case you know that:
[tex]a=26\\b=10[/tex]
Then, you need to substitute values into [tex]a^2=b^2+c^2[/tex] and then solve for "c".
So, this is:
[tex]26^2=10^2+c^2\\\\26^2-10^2=c^2\\\\576=c^2\\\\\sqrt{576}=c\\\\c=24[/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
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
PLEASE HELP
A rectangular pyramid has a height of 6 units and a volume of 40 units3. Shannon states that a rectangular prism with the same base area and height has a volume that is three times the size of the given rectangular pyramid. Which statement explains whether Shannon is correct?
A rectangular prism in which BA = 20 and h = 6 has a volume of 40 units3; therefore, Shannon is incorrect.
A rectangular prism in which BA = 6.67 and h = 6 has a volume of 40 units3; therefore, Shannon is incorrect.
A rectangular prism in which BA = 20 and h = 6 has a volume of 120 units3; therefore, Shannon is correct.
A rectangular prism in which BA = 6.67 and h = 6 has a volume of 120 units3; therefore, Shannon is correct.
Answer:
A rectangular prism in which BA = 20 and h = 6 has a volume of 120 units3; therefore, Shannon is correct
Step-by-step explanation:
step 1
Find the area of the base of the rectangular pyramid
we know that
The volume of the rectangular pyramid is equal to
[tex]V=\frac{1}{3}BH[/tex]
where
B is the area of the base
H is the height of the pyramid
we have
[tex]V=40\ units^{3}[/tex]
[tex]H=6\ units[/tex]
substitute and solve for B
[tex]40=\frac{1}{3}B(6)[/tex]
[tex]120=B(6)[/tex]
[tex]B=120/6=20\ units^{2}[/tex]
step 2
Find the volume of the rectangular prism with the same base area and height
we know that
The volume of the rectangular prism is equal to
[tex]V=BH[/tex]
we have
[tex]B=20\ units^{2}[/tex]
[tex]H=6\ units[/tex]
substitute
[tex]V=(20)(6)=120\ units^{3}[/tex]
therefore
The rectangular prism has a volume that is three times the size of the given rectangular pyramid. Shannon is correct
Answer:
C
Step-by-step explanation:
Got it right one the test! <3
What is the y-intercept of the line perpendicular to the line y = 4/3x + 1 that includes the point (4, 1)?
[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]
What are the coordinates of point C on the directed segment from A (-8,4) to B (10,2) that partitions the segment such that AC:CB is 2:1?
To find the coordinates of point C, divide the x- and y-coordinates of AB in the ratio 2:1.
Explanation:To find the coordinates of point C, we can use the concept of dividing a line segment in a given ratio. Given that AC:CB is 2:1, we can divide the x- and y-coordinates of the line segment AB in the same ratio.
The x-coordinate of point C is calculated by dividing the difference between the x-coordinates of points A and B by the sum of the ratio (2+1).
The y-coordinate of point C is calculated by dividing the difference between the y-coordinates of points A and B by the sum of the ratio (2+1).
Therefore, the coordinates of point C are (-2, 3).
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The correct option is d. [tex]\((4, 0)\)[/tex]. The coordinates of point [tex]\(C\)[/tex] are [tex]\((4, 0)\)[/tex].
To find the coordinates of point [tex]\(C\)[/tex] that partitions the segment [tex]\(AB\)[/tex] in the ratio [tex]\(AC:CB = 2:1\)[/tex], we use the section formula. Given points [tex]\(A(x_1, y_1)\)[/tex] and [tex]\(B(x_2, y_2)\)[/tex] with a ratio [tex]\(m:n\)[/tex], the coordinates [tex]\((x, y)\)[/tex] of the point dividing the segment in the ratio [tex]\(m:n\)[/tex] are given by:
[tex]\[x = \frac{mx_2 + nx_1}{m + n}, \quad y = \frac{my_2 + ny_1}{m + n}\][/tex]
For this problem:
- [tex]\(A(-8, 4)\)[/tex]
- [tex]\(B(10, -2)\)[/tex]
- Ratio [tex]\(m:n = 2:1\)[/tex]
Plugging in the values:
[tex]\[x = \frac{2 \cdot 10 + 1 \cdot (-8)}{2 + 1} = \frac{20 - 8}{3} = \frac{12}{3} = 4\][/tex]
[tex]\[y = \frac{2 \cdot (-2) + 1 \cdot 4}{2 + 1} = \frac{-4 + 4}{3} = \frac{0}{3} = 0\][/tex]
Thus, the coordinates of point [tex]\(C\)[/tex] are [tex]\((4, 0)\)[/tex].
The complete question is:
What are the coordinates of point C on the directed segment from A(−8,4) to B(10,−2) that partitions the segment such that AC:CB is 2:1 ?
A. (1,1)
B. (−2,2)
C. (2,−2)
D. (4,0)
What is the median of this set of data values?
10, 14, 15, 17, 20, 21, 22, 25
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!
Three vertices of a square are (–1, 2), (2, 2), and (2, –1).
What is the fourth vertex of the square?
(–1, –1)
(–1, –2)
(2, 1)
(5, 1)
Question 5
Three vertices of a square are (–1, 2), (2, 2), and (2, –1).
What is the fourth vertex of the square?
(–1, –1)
(–1, –2)
(2, 1)
(5, 1)
Answer:
(-1,-1)
Step-by-step explanation:The square needs to be all side with the same value when you graph the vertices on x-y plot, you obtain (x is the dot that correspond a vertice and y the forth vertice )
x 2 | x
1 |
|
-2 -1 | 1 2
y -1| x
-2 |
If you draw a line between vertices the value it will be 2 + (-1) so the forth vertice has to be (-1,-1)
What is the equation of the line graphed below?
Answer:
The equation is y = 2x. The slope is two and the line is a direct variation
Find the value of x in the picture please
Answer:
Option B. The value of x is 20
Step-by-step explanation:
we know that
The intersecting chords theorem states that the products of the lengths of the line segments on each chord are equal.
so
In this problem
[tex](x)(x-11)=(x-8)(x-5)\\x^{2}-11x=x^{2}-5x-8x+40\\-11x=-13x+40\\2x=40\\x=20[/tex]
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
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.
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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?
54 people owned either a mouse or a parrot
Venn diagramA 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
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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.
Prove that the diagonals of a rectangle bisect each other.
The midpoint of AC is _____
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).
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Find the formula for (f + g)(x) and simplify your answer.
f(x) = 3x and g(x) =
[tex] \sqrt{x - 4} [/tex]
[tex](f+g)(x)=3x+\sqrt{x-4}[/tex]
Find the value of y.
Answer:
The answer should be the last one.
Step-by-step explanation:
Answer:
=2√2 the fourth choice.
Step-by-step explanation:
We can use the Pythagoras theorem to calculate the value of y.
a²+b²=c²
a=1
b=y
c=3
Therefore substituting for the values in the theorem above we get:
1²+y²=3²
Leave y on one side.
y²=3²-1²
y²=9-1
y²=8
y=±2√2 in surd form.
Since we expressing length, a scalar quantity, we take the modulus of our answer. Thus y=2√2
What is the simple interest on rs 650 for 14 weeks at 6% per annum
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
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)
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
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?
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]