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lord [1]
2 years ago
12

I NEED HELP PLEASE!! Does anyone understand this??

Mathematics
1 answer:
Contact [7]2 years ago
6 0

Answer: 44.4

Step-by-step explanation:

We are asked to find angle V, so we are going to use our trig ratios to explain this one. They have given us the side opposite of angle v and the hypotunse. angle v. so we are going to be using sine. . SOHCAHTOA.  

First, let use the ratio for sine \frac{opp}{hypo\\} which equal to \frac{7}{10}

then we are to take the arcsine or the sine inverse because we are trying to the angle measure not side length. (sin^{-1}(7/10) which gives us 44.4

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X + 5y = -2
natita [175]

Answer:

the answer is -1. please thank my answer please and thank you

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3 years ago
Find the length of the unknown side round your answer to the nearest whole number 18 and 4
EastWind [94]

Answer:

17.5

Step-by-step explanation:

90% sure

8 0
2 years ago
Can you answer this for me plssss 0.5(r+2.75)=3
lora16 [44]

Step-by-step explanation:

0.5 ( r + 2.75 ) = 3

r + 2.75 = 3 / 0.5

r + 2.75 = 6

r = 6 - 2.75

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4 0
3 years ago
Read 2 more answers
Z varies directly as x and y, z = 6 when x=2 and y = 6. Find the value of z when x = 3 and y = 8
Monica [59]

Answer:

12

Step-by-step explanation:

 This is a joint variation problem:

              z varies directly as x and y

Interpreting this;

                z ∝ xy

 Therefore;

               z  = kxy

 z = 6, x = 2, y  = 6

   Now find k,

             6  = 2 x 6 x k

              6  = 12k

               k  = \frac{1}{2}

To find the value of z;

   x  = 3, y  = 8

              z  =  \frac{1}{2}  x 3 x 8  = 12

3 0
3 years ago
Best answer or correct answer gets brainliest
Brilliant_brown [7]

Answer: C. x = 6; m∠XOY = 18

Step-by-step:

We see that ZOW and WOX are supplementary, meaning the sum of their angles equal 180.

We also know that WOY is a right angle and equals 90.

Now we can solve

180-108 = 72

90 - 72 = 18

XOY = 18

Because 3x = 18, we know that x = 18 by dividing 18 by 3

5 0
2 years ago
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