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stiv31 [10]
3 years ago
13

What is the first step in solving for the solution to this problem? 2(m + 10) = 4(m -15)

Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0

Answer:

Multiplying the variables and numbers in the parentheses by the number next to them.

Step-by-step explanation:

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Mr. Sharon can paper a room in 3hrs. His assistant needs 5hrs. If Mr. Sharon works 1hr and then his assistant completes the job
stealth61 [152]

4 hours? Sorry if it's wrong

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Geometry! Please help!
Sladkaya [172]
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V = 1/3π(10)²(9)
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3 years ago
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A motorist traveled 250 miles on 11 gallons of gas. With the same vehicle, about how far could he go on 16 gallons of gas? A) 17
Andrei [34K]
ANSWER

363.6 \: miles
EXPLANATION

We were told that the motorist travelled 250 miles on 11 gallons of gas. This implies that,

250 \: miles \equiv11 \: gallons

Now we want to find how far he could go on 16 gallons.

x \: miles \equiv16 \: gallons


All other things being equal, the motorist should cover more than 250 miles with 16 gallons of gas.

Recall that: If more, less divides.

This implies that,

x =  \frac{250 \times 16}{11}




x =  \frac{4000}{11}   = 363.6 \: miles


Therefore the correct answer is C.

3 0
3 years ago
Help please! 10 points for this question
vichka [17]

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7 0
3 years ago
The area of a rectangle is 42 m2, and the length is
MrRissso [65]

Answer:

length = 14 m

width = 7 m

Step-by-step explanation:

l = length

w = width

l = 2w - 8

w(2w - 8) = 42

2w² - 8w - 42 = 0

you can factor out a 2 to work with smaller numbers:

w² - 4w - 21 = 0

(w - 7)(w + 3) = 0

w = 7

'w' cannot equal a negative so we discount it as an answer

find length:

l = 2(7) - 8

l = 14 - 8 or 6m

6 0
3 years ago
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