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anyanavicka [17]
3 years ago
11

8/7 + 7/7 = ? Help please ?

Mathematics
2 answers:
Kobotan [32]3 years ago
4 0

Answer:

15/7

Step-by-step explanation:

8/7 + 7/7 = 8+7 = 15

Therefore, the sum of 8/7 + 7/7 is equals to 15/7

Jlenok [28]3 years ago
3 0

Answer:

To add fractions, find the LCD and then combine.

Exact Form:

1 5/7

Decimal Form:

2.142857

Mixed Number Form:

2 1/7

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Step-by-step explanation:

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Answer:

-15x - 5

Step-by-step explanation:

5x - 15 - 20x + 10

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8 0
3 years ago
What is the value of the expression 9+n/3-6 when n is 12?
Nina [5.8K]
-7 (9+12/3-6)=21/-3=-7
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Find the tangents of the acute angles in the right triangle. Write each answer as a fraction. WILL MAKE BRAINLIEST!!
patriot [66]

Answers:

  • tan(G) = 2
  • tan(H) = 1/2

=======================================

Explanation:

Recall that tangent is the ratio of opposite over adjacent

tan(angle) = opposite/adjacent

So for reference angle G, we say,

tan(G) = JH/GJ = 2/1 = 2

We'll treat tan(H) in a similar fashion, but the opposite and adjacent sides swap roles. That means we'll apply the reciprocal to the result above to get 1/2 for tan(H)

-----------

So we have this interesting property where

tan(G)*tan(H) = 2*(1/2) = 1

In general,

tan(A)*tan(B) = 1 if and only if A+B = 90 degrees

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Side note: The side sqrt(5) isn't used at all.

8 0
2 years ago
Write the ratio 15:25 as a fraction in simplest form
jenyasd209 [6]

Answer:

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So we do 15 divided by 5 which is 3

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