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AVprozaik [17]
3 years ago
8

At a store, 5 pencils cost $2.50. how many pencils can you buy for $7.50

Mathematics
2 answers:
Westkost [7]3 years ago
7 0

Answer:

To find out how many pencils you could buy for $7.50, you first need to see how much one pencil costs

The total of one pencil is 2.50/5

2.50/5= 0.50

Each pencil is a total of $0.50

Next you want to take 7.50/.50 to see how many pencils you could get

$7.50/$0.50= 15

You would be able to buy 15 pencils with $7.50

Hope this helps ;)

Ne4ueva [31]3 years ago
6 0

Answer:

15 pencils

Step-by-step explanation:

5/2.5=x/7.5

cross product

2.5*x=5*7.5

2.5x=37.5

x=37.5/2.5

x=15

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Find the area of the figure in the image attached. Round to the nearest tenth if necessary.
cricket20 [7]

Answer:

186 cm²

Step-by-step explanation:

<em>*First we can move the shape around a bit to make it simpler to solve. If we take the triangle from the left side and move it over to the right, it connects with the other piece to create a rectangle. This leave two rectangles total which is much easier to solve.</em>

<em>*To find the length of the right rectangle, you take the 22 cm at the bottom and subtract the 12 cm (which is being used as the length for the left rectangle). This will give you a length of 10 cm long.</em>

<u>Left rectangle:</u>

A = lh

A = 12 (8)

A = 96 cm²

<u>Right rectangle:</u>

A = lh

A = 10 (9)

A = 90 cm²

<u>Total:</u>

A = 90 + 96

A = 186 cm²

4 0
3 years ago
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A company needs to replace 27 out of 45 desks in their office. What percent of the desks need to be replaced?
sleet_krkn [62]
60%

Solve by creating a proportion
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6 0
3 years ago
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20 points brainlist thanks
Fed [463]

Answer:

The answer Is 10.20

Step-by-step explanation:

d = \/(0-(-2))² + (-6-4)²

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d = \/(2² + 100)

d = \/(4+100)

d = \/104

d ~ 10,20

4 0
4 years ago
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A line passes through the points (1, 4) and (3,-4). Which is the equation of the line?
SVETLANKA909090 [29]

Answer:

Y=-4x+8

Step-by-step explanation:

y2-y1/x2-x1

This wil give you slope.

5 0
3 years ago
How do I solve (6^-2)^2 ?
makvit [3.9K]
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4 years ago
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