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Anit [1.1K]
3 years ago
10

I NEED HELP ASAP!!!!!!! I WILL GIVE BRAINLIEST!!!!!!!!!

Mathematics
1 answer:
vitfil [10]3 years ago
7 0

Answer:Chris spent 13 3/4 minutes on question C

Step-by-step explanation:

First let's write an equation:

We know 30 is the total and we are trying to find a part, and 11 3/4 is a part and 4 and 1/2 is a part

So:

30=11 3/4 + 4 1/2 + x

30=16 1/4 + x

- 16 on both sides(to find what x equals to)

13 2/4=x

X=13 3/4

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Find the exact value of csc ø, if cos ø= 1/9; 180° less ø less than 270°
Iteru [2.4K]

Answer:

The answer to your question is: the first option  - 9/ \sqrt{80}

Step-by-step explanation:

Process

          cosФ = adjacent side / hypotenuse

          -1/9 = adjacent side / hypotenuse

          adjacent side = -1    hypotenuse = 9

          c² = a² + b²

          b² = c² - a²

           b² = 81 - 1

           b = \sqrt{80} \\    b = opposite side

But b is negative because we are in the third quadrant.

          b = -\sqrt{80}

Finally   csc Ф = hypotenuse / opposite side

             csc Ф = - 9 / \sqrt{80}

4 0
3 years ago
HELP PLEASE!!!!!!!!!!!
sashaice [31]
The simplified expression should be 3/7
3 0
3 years ago
Pleaseee helppp
dybincka [34]

Answer:

C

Step-by-step explanation:

all the options can give 9m+27 except C; 9m+12

8 0
3 years ago
Arletta built a cardboard ramp for
Nostrana [21]

Answer:

525

Step-by-step explanation:

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Michele is making a kite based on the pattern below. About how much binding does Michele need to cover the edges of the kite?
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Answer:

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Step-by-step explanation:


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