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Dmitry_Shevchenko [17]
3 years ago
6

How do you simplify: 5(8 + 7) ? a. 75 b. 65 c. 47 d. 15

Mathematics
2 answers:
tia_tia [17]3 years ago
8 0

Answer:

C. 47

Step-by-step explanation:

5(8 + 7)

Expand the brackets. Brackets mean to multiply.

5(8 + 7)

5 * 8 + 7

= 40 + 7

= 47

VikaD [51]3 years ago
7 0
The answer is C.) 47
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The scale factor from a small triangle ABC to a large triangle XYZ is 5. How many times larger will the perimeter of triangle XY
Ierofanga [76]

Answer:

Answer below :)

Step-by-step explanation:

Hi there!

Question 4 - the answer will be 5. Since the scale factor is 5, we would (hypothetically) multiply the area by 5 to get the new area of XYZ, so area XYZ is 5 times the area of ABC.

Question 5 - A.

First we multiply 45 by 12 to find the amount in inches. This is 540. Now, we divide that by 6 to get 90. This is our scale factor in inches, but the answers only show the scale in feet, so we have to convert. Divide 90 by 12 to get 7.5.

I hope this helps!

4 0
2 years ago
What is the measure of OAC
Lady bird [3.3K]

Answer:

27°

Step-by-step explanation:

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4 0
2 years ago
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What value of x makes this equation true? 15-7x=5x-21​
belka [17]

Answer:

x=3

Step-by-step explanation:

15-7x=5x-21

12x=36

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4 0
2 years ago
If it takes Charlie 45 minutes walking at 2.5 km/hr to get to the chocolate factory and it takes Willy Wonka 15 minutes walking
Mrac [35]

Answer:

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Step-by-step explanation:

Given data

it takes Charlie 45 minutes walking at 2.5 km/hr

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distance= speed*time

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distance= 112.5 km

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distance= speed*time

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distance= 52.5 km

Hence Willy Wonka stays closer

7 0
2 years ago
Several students in Ashton’s class were randomly selected and asked how many text messages they sent yesterday. Their answers we
alex41 [277]

Answer:

Hello Love!

All range is in math Is the highest number subtracted by the smallest number so our equation is 15 - 0 = 15

so 15 is our range!

8 0
2 years ago
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