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3 years ago

PLEASE HELP!!!!

Mathematics

1 answer:

pogonyaev3 years ago

8 0

Answer:

30.667, in 1 hour = 40 miles

Step-by-step explanation:

Set up a proportion so 1.5 miles / 2.25 minutes.

So 1.5/2.25 = x/46

solve for x 1.5(46)/2.25 = x so x = 30.667

In one hour is 60 minutes so 1.5(60)/2.25 = x

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3 years ago

The Room is 20 feet by 25 feet and the ceiling is eight feet. What is surface area that would need to be painted in order to pai

Tanya [424]

Answer:

I'm assuming you don't want to paint the floor.

1220

Step-by-step explanation:

25 * 8 = 200. Now we multiply that by 2 to get 400. Those are the 2 walls.

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4 years ago

Tom is 4 more than twice andrew age. sara is 8 less than 5 times anwdrews age. if tom and sara are twins, how old is andrew

matrenka [14]

I hope this helps you

4 0

4 years ago

Solution q-2r=4 q+r=37

GenaCL600 [577]

Q-2r=4, therefore: q=4+2r.

Plug the value of q into q+r=37, so you get:

4+2r+r=37

3r=37-4=33

3r=33

Therefore: r=11.

q-2r=4, but r=11, so:

q-2(11)=4

q-22=4

Therefore q=26.

Check if the answer is correct using second equation:

q=4+2r=4+2(11)=4+22=26.

So: q=26 and r=11.

4 0

4 years ago

Read 2 more answers

Brooke collects porcelain dolls and teddy bears. Over the years, the number of porcelain dolls she collected is 14 less than twi

Colt1911 [192]

Teddy =X
Dolls= 2x-14

2x-14+X=52
3X-14=52
Add 14
3X=66
Divide by 3
X= 22

Teddy are 22
Dolls 2(22)-14=30

5 0

3 years ago