Pedro wants to paint his room, which is 12.5 feet by 11.5 feet, with an 8-foot-high ceiling. How many total square feet will Pedro need to paint?

Answers

Answer 1

Maybe 7.36 set up a proportion

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Lucy is a dress maker. She sews 4/7 of a dress in 3/4 hour. Lucy sews at a constant rate. At this rate, how many dresses does Lucy sew in one?

Answers

To find out how many dresses she can sew in one hour, divide the fraction of the dress she makes by the number of hours it takes for her to make the dress.

[tex]\sf\dfrac{4}{7}\div\dfrac{3}{4}[/tex]

When dividing fractions we flip the one we're dividing by and multiply:

[tex]\sf\dfrac{4}{7}\times\dfrac{4}{3}[/tex]

Multiply the numerators and denominators together:

[tex]\boxed{\sf\dfrac{16}{21}}[/tex]

So she sews 16/21 of a dress in one hour.

a circle has a radius of 8 inches. What is the circumference in terms of pi?

Answers

The circumference is 50.24, because 2 * 3.14 * 8 = 50.24.
Please make brainliest! ☺

circumference=pi*diameter
multiply the radius by 2 to get the diameter - which is 16
pi*16=50.26548...
50.26548... OR 50.3 rounded

-x+y=5 4x+y=10 Use addition to solve the linear system of equations. Include all of your work in your final answer

Answers

Answer:
x = 1
y = 6

Explanation:
The first given equation is:
-x + y = 5
Multiply this equation by -1, you will get:
x - y = -5 ............> I

The second given equation is:
4x + y = 10 ..........> II

Add the two equations I and II as follows:
x - y = -5
+ 4x + y = 10
..............................
5x = 5
Therefore:
x = 5/5
x = 1

Substitute with x in equation I to get y as follows:
x - y = -5
1 - y = -5
y = 1 + 5
y = 6

Hope this helps :)

What is the value of x?

Enter your answer in the box.
x =

Answers

x^2 + 12^2 = 13^2

x^2 + 144 = 169

x^2 = 169-144

x^2 = 25
x = sqrt(25)
x = 5

HEEEEEEELP ASAP Janette went to Tire Mart and paid $122.57 per tire for 4 tires and a flat rate fee for installation for a total of $555.28 before taxes. Monique went to Fast Wheels and paid $136.71 per tire for 4 tires and a flat rate fee for installation for a total of $585.34 before taxes. The difference in the amount that they paid in installation charges is $____ WILL GIVE YOU BRAINLIEST

Answers

$122.57 • 4 + $555.28 = $1,045.56

$136.71 • 4 + $585.34 = $1,132.18

$1,132.18 - $1,045.56 = $86.62

The volume of a right rectangular shipping carton is 948.75 cubic meters. The height of the shipping carton is 11 meters, and the width is 7.5 meters. What is the length of the shipping carton? Enter your answer as a decimal in the box.

Answers

11.5 meters I think.. took teh test

If volume of a right rectangular shipping carton is 948.75 cubic meters and the height of the shipping carton is 11 meters, and the width is 7.5 meters then length is 11.5 meters.

What is Three dimensional shape?

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

Given that volume of a right rectangular shipping carton is 948.75 cubic meters.

The height of the shipping carton is 11 meters, and the width is 7.5 meters.

We have to find the length of the shipping carton

V=Length × width × height

V= Length x 7.5 x 11

948.75 = 82.5 length

Divide both sides by 82.5

Length = 948.75/82.5

Length = 11.5 meters

Hence, if volume of a right rectangular shipping carton is 948.75 cubic meters and the height of the shipping carton is 11 meters, and the width is 7.5 meters then length is 11.5 meters.

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if a circle has a radius of 2.5 inches what is the area of the circle

Answers

The answer should be 19.63

the equation for a circle’s area is πr^2. rounding π to 3.14, your equation is (3.14)(2.5)^2.

answer: 19.625

th original price of a computer was reduced by $250. if p= the computer original price in dollars. which algebraic expression represents the reduced price

Answers

the algebraic expression would be p-250

The original price is p, it was reduced by $250 so your expression should be

p-250

Adelaide paid $35 for a manicure and gave the manicurist a 20% tip How much money did Adelaide give her manicurist

Answers

The correct answer is:
$42.

Explanation:
The best way to find a total bill including tip (or tax if that is what you are looking for - it is found the same way), is to multiply the original total by 1 + the percentage of the tip.

Since the percentage is 20%, we add 0.20 to 1 to get 1.20.
Now we multiply that by the original cost to get the final answer.
1.20*35 = 42

Answer:

Adelaide gave $ 42 to the manicurist.

Step-by-step explanation:

Here, the original price of the manicure = $ 35

Since, 20% tip is given to manicurist,

Thus, the total payment for manicure = Original price of the manicure + 20 % of the original price of the manicure

= 35 + 20 % of 35

[tex]=35+\frac{20\times 35}{100}[/tex]

[tex]=35+\frac{700}{100}[/tex]

[tex]=35+7[/tex]

[tex]=42[/tex]

Hence, Adelaide gave $ 42 to the manicurist.

What is 2x2 ? Plz I need the answer .

Answers

the answer is to the question you asked is 4

2x2 is 4.
All you are doing is multiplying 2 by 2, doubling it.
Hope this helped<3

A diver begins at sea level and dives down 200 feet. He ascends at a steady rate of 121/3 feet per minute for 4.5 minutes. This depth is represented by the numerical expression: -200 + 121 3 (4.5) Simplify the expression using the order of operations. What is the diver’s depth? -200 + 37 3 (4.5) -200 + 55.5

Answers

−200+

(4.5)

=−200+55.5

=−144.5 You can use order of operations or pemdas to solve problems like this. Just remeber to go left to right and multiplaction can be before division and multiplacation can be before divison (same with subtaction and addition)

The diver’s depth is 18.5 feet below from sea level.

Given that, A diver begins at sea level and dives down 200 feet.

He ascends at a steady rate of 121/3 feet per minute for 4.5 minutes.

This depth is represented by the numerical expression is,

[tex]=-200 +\frac{121}{3}*(4.5) \\\\=-200+(121*1.5)\\\\=-200+181.5\\\\=-18.5feet[/tex]

Negative sign indicate that below the sea level.

Hence, The diver’s depth is 18.5 feet below from sea level.

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Which coordinate grid shows the correct locations of P(1, 2.5), point Q, which is a reflection of point P across the y-axis, and R(2, −2.5)?

Answers

Answer:

the second one is correct

Step-by-step explanation:

Answer:the second

Step-by-step explanation:

Students in a class were asked to name their favorite sport they like to watch on television. The results are shown in the circle graph. How many times more students prefer to watch basketball than prefer to watch soccer? Soccer- 3% Basketball- 25.5%

Answers

25.5 / 3 = 8.5

8.5 times more student prefer basketball over soccer

Using the divison operation, we can conclude that students prefer Basksetball 8.5 times more than soccer.

Percentage who prefer soccer = 3%Percentage who prefer Basksetball = 25.5%

To obtain the number of times basket ball preference is greater than soccer :

We use the division operation :

(percentage of basketball) ÷ (percentage of soccer)

(25.5) ÷ 3 = 8.5

Therefore, students prefer basketball 8.5 times more than soccer.

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help with how to solve this

Answers

I think it’s G, because you would ad like another set of box and yeah

What is 143-1 1/20 please how meeeee I'm stupid but I just have to check my work if I got it right

Answers

is the question 143 - 11/20?

143-1 * 1/20
142 * 1/20
142/20
7.1

What is the answer to 2

Answers

3(2x+1) If you multiply this out, you will get 6x+3.

A = 4(6x + 3)
A = 4(6x) + 4(3)
A = 24x + 12

The answer is 24x+12.

Hey there.

As we are looking for the perimeter of the polygon, we should understand the formula for each figure. For #2, we can clearly see that we have a square, which concludes that the perimeter for the figure is going to be 4S ('S' being the length of one side as all sides are equal).

Let's apply this to our problem.
P = 4S;
S = 6x + 3; set this up as an equation.

P = 4(6x + 3); apply the distributive property to the right side of the equation.
P = 4(6x) + 4(3);
P = 24x + 12

As we can see above, the perimeter of the square in problem #2 is going to be 24x + 12.

I hope this helps!

show your work and simplify the expression (x – 2) (3x-4)

Answers

The answer is 3x^2-10x+8.

(x - 2)(3x - 4)

Remember F.O.I.L

First
Outside
Inside
Last

First: x * 3x = 3x^2

Outside: x * -4 = -4x

Inside: -2 * 3x = -6x

Last: -2 * -4 = 8

3x^2 - 4x -6x + 8

Now, combine like terms.

3x^2 - 10x + 8

Hope I helped!

I'd be very happy to help if you need anything else!

~ Zoe

In the coordinate plane, what is the length of the line segment that connects points at (4, −1) and (9, 7) ? Enter your answer in the box. Round to the nearest hundredth.

Answers

On this question is asked you to find the length of a line segment with endpoints (4,-1) and (9,7) and round it to the nearest hundredth. The only way to find the solution is by the use of the Distance Formula, which is d=√(x2-x1)^2+(y2-y1)^2.

d=√(x2-x1)^2+(y2-y1)2^2
d=√(9-4)^2+(7--1)^2
d=√(5)^2+(8)^2
d=√(25)+(64)
d=√89
d=9.43 units

The length of the line segment is 9.43 units.

Final answer:

The length of the line segment connecting points (4, -1) and (9, 7) in the coordinate plane is approximately 9.43 units, when rounded to the nearest hundredth.

Explanation:

To find the length of the line segment that connects the points (4, −1) and (9, 7) in the coordinate plane, we can use the distance formula which is derived from the Pythagorean theorem:

The distance (Δ) between two points (x1, y1) and (x2, y2) is given by:

Δ = √((x2 - x1)² + (y2 - y1)²)

Substituting the given coordinates:

Δ = √((9 - 4)² + (7 - (−1))²)

Δ = √(5² + 8²)

Δ = √(25 + 64)

Δ = √89

Using a calculator, we can find that:

Δ ≈ 9.43

Therefore, the length of the line segment is approximately 9.43 units, rounded to the nearest hundredth.

Can someone please help me??

Answers

I believe your answer should be 8, I am sorry if I am wrong, please mark mine with a low star rating if I am false

how do you do this please help me

Answers

Perimeter is the sum of the sides.
4x + 6 +3x + 2 = 57
7x + 8 = 57
7x = 49
x = 7

The perimeter of a triangle is the sum of all sides' lengths.

Thus,

[tex]P=6+4x+(3x+2)=7x+8.[/tex]

Given [tex]P=57\ cm,[/tex] you get

[tex]7x+8=57,\\ \\7x=57-8,\\ \\7x=49,\\ \\x=\dfrac{49}{7},\\ \\x=7\ cm.[/tex]

Answer: x=7 cm.

In ABC what is the measure of C

Answers

C = 36

To solve this equation, you know what each angle is equal to, and all triangles add to equal 180 degrees, so you can set it up like so:

6x + 2x + 2x = 180 Then combine all the x's and simplify by dividing.

Answer:

36 °

Step-by-step explanation:

Hello

In geometry an interior angle or an internal angle is an angle formed by two sides of a polygon that sharing a common end is contained within the polygon, and the sum of these angles is given by

sum=(n-2)*180°

where n is the number of sides of the polygon,in our case n= 3 (a triangle)

Step 1

find the sum o internal angles

sum=(3-2)*108°

sum=1*180°

(1)sum=180°

step 2

find x

now, according to the graph the sum of internal angles is

sum(graph)=6x+2x+2x

(2)sum=10x

(1) must be equal to (2)

180°=10x

isolating x

x=18

Step 3

find C

by the graph ,we know

C=2x

and x=18

replacing

C=2(18)

C=36°

Have a great day

Please I need help ASAP (brainly + thank you + brainly)

Answers

88.3 : 100 = 86.7 : x
x = 98.18
100-98.18=1.81 (rounded 1.8)
----------------------------------------------

(88.3-1.8%=86.7)

88.3-1.8%=86.7 is the answer

The ratio of plates to napkins is 3:12. Write the ratio in simplest form.

Answers

The ratio 3:12 in simplest form would be 1:4. We can figure this out by dividing the ratio by 3 which would leave 1 plate to 4 napkins.
I hope this helped! :-)

1:4 is the answer.

The common factor of 3 and 12 is 3.

3 divided by 3 is 1

12 divided by 3 is 4

So you get 1:4

Hope this helped! ♡

does the graph represents a function

Answers

You could use a simple pencil test to figure it out.
Place a pencil vertically on the paper, and move it left to right or vise-versa
When moving it make sure the pencil doesn't hit two points at once if it does it is not a function, but this is not the case

This is a function

In this situation, we would use something called the vertical line test. In other words, if we can draw a vertical line that passes more than one point on the graph, then the relation is not a function.

If we use the vertical line test in this situation, it is not possible to draw a vertical line that passes through more than one point. Therefore, this does represent a function.

Charlene records the number of pieces of red colored candies in ten bags of candy of assorted colors. find and interpret the mean absolute deviation of the data
6,6,7,7,8,8,10,10,11

Answers

To calculate the mean absolute deviation, you first must find the mean of the data and then find the difference between each piece of data and the mean.

Please see the attached picture for the work.

The mean absolute deviation is approximately 1.48.

This means that the numbers of candies in the 10 bags are all very close to one another. There is not much variation.

4(2.1k-4)=6(3.4k-2) what does (K) equal?

Answers

Hey there.

4(2.1k - 4) = 6(3.4k - 2); apply the distributive property to remove the parenthesis.
8.4k - 16 = 20.4k - 12; Get the variable to one side, so subtract 8.4k.
-16 = 12k - 12; isolate the variable by adding 12.
-4 = 12k; divide by 12 to solve for our variable.
k = -1/3

I hope this helps!

Thirty five is what fraction of 80

Answers

The fraction is 7/16
35/80= 7/16

The answer is (35/80=7/16) hope it helps and have a great day!

Is 5 quarts bigger than 25 cups

Answers

No, 5 quarts is not bigger than 25 cups.

5 quarts = 20 cups
1 quart = 4 cups

5 quarts is smaller than 25 cups

Need help! Easy!! 7th grade Pre-algebra! Easy!

Answers

7. The sign of -10 tells you the signs of the roots are different, leaving only B and C as viable choices. It is easiest to evaluate the quadratic using the integer root. When we use -2, we find the equation is satisfied.

B is the appropriate selection.

_____
8. The vertex form will be
.. y = a(x +1)² -10 . . . . . matching selections F and H
When we substitute x=1, we get 4a-10 = 2; a=3

H is the appropriate selection

The answers are B and H

find an inequality that you can use to disprove John statement. explain your thinking.

Answers

Try this inequality with 0 as the right side.

-x > 0

According to John, we multiply both sides by -1, and the inequality sign does not change direction, so we get this

x > 0

Let's use a number for x that makes the original inequality true.
Let x = -2.

-x > 0

-(-2) > 0

2 > 0

As you can see, -2 does work on the original equation.

Now let's try -2 in John's solution.

x > 0

-2 > 0 which is a false statement.

Now let's solve it again, but we will reverse the inequality symbol when we multiply both sides by -1.

-x > 0

x < 0

Try x = -2.

-2 < 0 which is true

Now it works.

John is incorrect.
If you multiply or divide an equation by a negative number, even if one of its sides is 0, you still must change the direction of the inequality symbol.

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