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Rufina [12.5K]
2 years ago
6

7 2/15 + 5 2/3 +9 13/15

Mathematics
1 answer:
crimeas [40]2 years ago
4 0

21+

15

2

+

3

2

+

15

13

LCD = 1515

21+

15

2

+

3×5

2×5

+

15

13

21+

15

2+10+13

21+1

15

10

22

15

10

15

10

3

2

22

3

2

done

the answer of this question is last one

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Use trigonometric ratios to find the indicated side
iragen [17]

Answer:

a = 139.1

b = 56.2

Step-by-step explanation:

A. Reference angle = 68°

Opp = a

Hyp = 150

Therefore:

Sin 68 = opp/hyp

Sin 68 = a/150

150*sin 68 = a

a = 139.1 (nearest tenth)

B. Reference angle = 68°

Adj = b

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Therefore:

Cos 68 = adj/hyp

Cos 68 = b/150

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Rain is falling steadily in Seattle, Washington. After 6 hours, 4 inches of rain has fallen. How long will it take for 1 inch of
seraphim [82]
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2 years ago
Help with the step by step
Nataliya [291]

Step-by-step explanation:

First, distribute the -4 to the parenthesis:

24a-22=-4+24a

Add 22 to both sides:

24a-22+22=-4+22+24a

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Subtract 24a from both sides:

24a-24a=18+24a-24a

Simplify:

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hope this helps :)

4 0
3 years ago
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What is another way to write to 72- (-25) ?
Valentin [98]

Your answer would be 1, or 72+25.

What is happening in this case is a negative number is being subtracted from a positive. This means you are taking away a negative. The two negatives cancel each other out, and then it becomes you are adding a positive.

Another way I like to think about this is the two minus symbols combine together to form a plus sign.

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