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OLga [1]
3 years ago
10

The morning temp. In Atlanta, Georgia is 21 1/4 degrees. During the day it warms up 6 2/7 degrees. What is the new temp

Mathematics
1 answer:
pogonyaev3 years ago
6 0

Answer:

27 15/28 degrees

Step-by-step explanation:

Since we are adding 21 1/4 to 6 2/7, we need to find the LCD, or, least common denominator, so that we can add 1/4 and 2/7 together.

1*4=4             1*7=7

2*4=8           2*7=14

3*4=12          3*7=21

4*4=16          <u>4*7=28</u>

5*4=20

6*4=24

<u>7*4=28</u>

Since we had to multiply 7 four times to get it equal to 28, we need to take 2/7 * 4/4. This will give you 8/28. Then, since we multiplied 4 seven times to get it equal to 28, we need to take 1/4 *7/7. This will give you 7/28. Finally, you need to add 8/28 and 7/28 since they now share the same denominator.

8/28 + 7/28=15/28

For our last step, we need to add the whole numbers together so the answer is complete.

21+6=27

27+15/28= 27 15/28 degrees

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c. 1/3, 7/24     ------> 8/24,7/24 No
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<span>2.Which ratio forms a proportion with 9/15 = 3/5
a.3/6 = 2/3 No
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3 0
3 years ago
Please help with this problem.
Black_prince [1.1K]

Answer:

d = 28

r = 14

r² = 196

C = 87.92

Step-by-step explanation:

Given:

r = 14

To find diameter:

d = 2r

d = 2(14)

d = 28

To find r²:

14²

196

Circumference:

C = 2πr

C = 2(3.14)(14)

C = 87.92

3 0
3 years ago
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Snowcat [4.5K]

answer:

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Step-by-step explanation:

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3 years ago
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Harlamova29_29 [7]
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3 years ago
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Answer:

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Step-by-step explanation:

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3 0
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