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3 years ago

Please help!!!!!

2 answers:

7 0

512 = 16
x = 1

16x = 512
x = 512 ÷ 16
x = 32

Answer: 32 miles per gallon (B)

50 = 117.50
1 = x

50x = 117.50
x = 117.50 ÷ 50
x = 2.35

Answer: $2.35 per pound (C)

oee [108]3 years ago

5 0

To find the miles per gallon, you've got to divide the larger number (512) by 16, and this gives you 32. Therefore, the car is 32 miles to e gallon. You've also got to do this for the second one, and in this case, you've got to divide $117.50 by 50, and this gives you 2.35, which means that a pound of dog food costs $2.35 Hope this helps :)

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Write the sum of the numbers as the product of their GCF and another sum.

8090 [49]

Answer:

See explanation

Step-by-step explanation:

1. Find the GCF of 40 and 44:

$40=\underline{2\cdot 2}\cdot 2\cdot 5\\ \\44=\underline{2\cdot 2}\cdot 2\cdot 11\\ \\GCF(40,44)=2\cdot 2=4$

So,

$40+44=4\cdot 10+4\cdot 11=4\cdot (10+11)$

2. Find the GCF of 13 and 52:

$13=\underline{13}\\ \\52=2\cdot 2\cdot \underline{13}\\ \\GCF(13,52)=13$

So,

$13+52=13\cdot 1+13\cdot 4=13\cdot (1+4)$

3. Find the GCF of 15 and 81:

$15=\underline{3}\cdot 5\\ \\81=\underline{3}\cdot 3\cdot 3\cdot 3\\ \\GCF(15,81)=3$

So,

$15+81=3\cdot 5+3\cdot 27=3\cdot (5+27)$

4. Find the GCF of 64 and 28:

$64=\underline{2\cdot 2}\cdot 2\cdot 2\cdot 2\cdot 2\\ \\28=\underline{2\cdot 2}\cdot 7\\ \\GCF(64,28)=2\cdot 2=4$

So,

$64+28=4\cdot 16+4\cdot 7=4\cdot (16+7)$

6 0

3 years ago

Can someone help me find the area

lisabon 2012 [21]

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Answer: 116.12

Explanation:

13 x 7 = 91

13 - 5 = 8

8 / 2 = 4

3.14(4)^2 = 50.24

50.24 / 2 = 25.12

91 + 25.12 = 116.12

I hope this helped!

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5 0

3 years ago

Read 2 more answers

one group of friends has 5 cookies to share between 3 people.a second group of friends has 8 cookies to share between 6 people.w

Paul [167]

Group 1:-
5 cookies
3 people
5/3

Group 2:
8 cookies
6 people
8/6

Group 1 each person gets 5/3 and in group 2 each person gets 8/6.

Which is more?

5/3

5 ÷ 3 ≈ 1.6

8/6

8 ÷ 6 ≈ 1.3

Is 1.3 more or 1.6?

1.6 is more.

5/3 (group 1) receive more.

8 0

3 years ago

Khalid and Jesse took different overnight trains

qwelly [4]

You didnt give enough information but 40

3 0

3 years ago

A rectangular bedroom is 4 ft longer than it is wide. Its area is 140 ft2. What is the width of the room? ft

steposvetlana [31]

Answer: width = 10 ft

Step-by-step explanation:

Area = length × width

Let l be length and w be width

l = w + 4 ........equation (1)

From above formula

140 = l × w. ........equation (2)

Substitute equation (1) into equation (2)

140 = (w+4) × w

w^2 + 4w= 140

w^2 + 4w - 140= 0

By factorization method

(w+14)(w-10)= 0

w=-14 or w= 10

So now width is 10 ft

From equation(1)

l=w+4

l= 10+4

l= 14 ft

Width = 10 ft and length = 14 ft

3 0

3 years ago

Read 2 more answers