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padilas [110]
3 years ago
10

Jared is buying a carpet for a square room with sides that are s feet long. The carpet is $2.65 per square foot and the metal st

rip is $.20 per foot.
The metal strip holds down the carpet around the entire perimeter of the room, except at the doorway, which is 3 feet wide. Write an expression for the total length of the strip that Jared will need. Explain

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0

Answer:

(4s-3)ft

Step-by-step explanation:

The 3 sides of the room will be "s" ft long. The 4th side, the one with the doorway will be "s-3" ft long, the -3 because of the doorway. Then you simply add all the sides of the doorway to get the length for the metal strip.

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Allison can jog 3 blocks in the same amount of time it takes her brother, Blake, to jog 2 blocks. If they keep jogging at the sa
Nitella [24]

Answer:

Blake will jog 12 blocks

Step-by-step explanation:

Allison : Blake = 3 : 2

If they keep jogging at the same rate, how many blocks will Blake jog if Allison jogs 18 blocks?

Allison : Blake = 18 : x

Equate the ratios

3 : 2 = 18 : x

3/2 = 18/x

Cross multiply

3 * x = 2 * 18

3x = 36

Divide both sides by 3

x = 36 / 3

= 12

x = 12

Blake will jog 12 blocks

6 0
3 years ago
Read 2 more answers
After a storm damages the community center, Shanika and her friends hold fundraising
Inessa [10]

Answer:

The total amount of money Shanika and her friends want to raise is <u>$2400</u>.

Step-by-step explanation:

Given:

After a storm damages the community center, Shanika and her friends hold fundraising.

After the first event, they raise $240, which is 10% of the  total amount that they want to raise.

Now, to find the total amount of money that Shanika and her friends want to raise.

Let the total amount of money that Shanika and her friends want to raise be x.

As given 10% of fundraise is $240.

So, according to question:

10\%\ of\ x=\$240.

\frac{10}{100}\times x=240

\frac{10x}{100}=240.

<em>Multiplying both sides by 100 we get:</em>

10x=24000.

<em>Dividing both sides by 10 we get:</em>

x=\$2400.

Therefore, the total amount of money Shanika and her friends want to raise is $2400.

3 0
3 years ago
60 milligrams = ______ km
balandron [24]
60 mg is equal to .00006 kg
3 0
3 years ago
Find the perimeter and area of the figure.
Travka [436]

Answer:

The perimeter is 20 cm.

The area is 25 cm^2.

Step-by-step explanation:

The perimeter is the distance around the figure.

This is a square, so each side is the same length.

There are four sides, so

5 + 5 + 5 + 5 = 20 cm

The area of the figure is

s^2

where s is a side

so 5 * 5 = 25 cm^2

7 0
3 years ago
Two similar cylinders have surface areas of 40 π square feet and 90 π square feet. What is the ratio of the height of the large
Sergio [31]
The ratio would be 90pi/40pi.

Hope this helps:)

4 0
3 years ago
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