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Anarel [89]
2 years ago
14

Some please help me with this one .. i'm stuck

Mathematics
1 answer:
3241004551 [841]2 years ago
3 0
I’m pretty sure it’s the first one
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Search cos jk and tan jk knowing that sin jk = 8/3
aleksley [76]

Answer:

cosjk = √55 i/3

tanjk = 8/√55 i

Step-by-step explanation:

Given

sin jk = 8/3

According to SOH CAH TOA

Sin theta = opposite/hypotenuse = 8/3

Opposite = 8

hypotenuse = 3

Get the adjacent using the pythagoras theorem

hyp² = opp²+adj²

adj² = hyp² - opp²

adj² = 3² - 8²

adj² = 9-64

adj² = -55

adj = √-55

adj = √55 i (i = √-1)

Get cosjk

cosjk = adj/hyp

cosjk = √55 i/3

Get tanjk

tanjk = opp/adj

tanjk = 8/√55 i

3 0
3 years ago
What does y equal when x = -6 in 3x + y = 6<br> What’s the answer
tresset_1 [31]

Answer:

y = 24

Step-by-step explanation:

3x + y = 6

Solve for y

Subtract 3x from each side

3x -3x+ y = 6-3x

y = 6-3x

Let x = -6

y = 6 -3(-6)

   =6+18

   =24

3 0
3 years ago
Read 2 more answers
What is the volume of a cube with a side length of 13 inches? A. 1014 in3 B. 169 in3 C. 2197 in3 D. 39 in3
Nadusha1986 [10]
Do 13 x 13 x 13.

13 x 13 x 13 = 2197 in3

Hope this helps!
4 0
3 years ago
Read 2 more answers
Tom and Jerry have a pool with a diameter of 12 ft. What is the<br> circumference of the pool?
RSB [31]

Hello!

Answer:

\large\boxed{C = 12\pi ft\text{ or } C = 37.68ft}

\text{Formula for the circumference of a circle:}

C = d\pi

\text{In this instance, d = 12 ft. Plug this value into the equation:}

C = 12\pi ft \text{ or } C = 37.68 ft (\pi = 3.14)

7 0
3 years ago
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Find the square.. (8m+7)^2
Zepler [3.9K]
The answer is
64m^2 + 112m + 49
5 0
2 years ago
Read 2 more answers
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