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r-ruslan [8.4K]

2 years ago

7

I need help as soon as possible

2 answers:

mote1985 [20]2 years ago

5 0

The sin ratio is the side opposite the reference angle over the hypotenuse. If Z is our reference angle, then the side opposite it has a length of 32. The hypotenuse has a length of 40. Therefore, the sin of Z = 32/40. We will reduce that to sin Z = 4/5. First choice above.

RoseWind [281]2 years ago

3 0

For Sinz you have to do
$\frac{32}{40}$
so answer is
$\frac{4}{5}$
i think and what is your school level?

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-18= 5-(6k - 19) i have the answer but i need help on how to get the answer 7?

insens350 [35]

Answer:

k = 7

Step-by-step explanation:

Step 1: Write equation

-18 = 5 - (6k - 19)

Step 2: Solve for <em>k</em>

<u>Distribute negative:</u> -18 = 5 - 6k + 19

<u>Combine like terms:</u> -18 = -6k + 24

<u>Subtract 24 on both sides:</u> -42 = -6k

<u>Divide both sides by -6:</u> k = 7

Step 3: Check

<em>Plug in k to verify it's a solution.</em>

-18 = 5 - (6(7) - 19)

-18 = 5 - (42 - 19)

-18 = 5 - 23

-18 = -18

7 0

2 years ago

I am building a fence in my backyard. I have 120 nails, and I need to put 4 nails

Vsevolod [243]

120/4 is 30
You'll be able to put 4 nails thirty times.
You put them every 6 feet
So, you have 5 feet before running out.

8 0

3 years ago

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Find all solutions to the equation. <br> cos^2 x +2cosx+1=0

Schach [20]

$x= \pi$

Step-by-step explanation:

$\cos^2x+\cos x+1=0$

Let $u= \cos x$

Then $u^2+2u+1=(u+1)^2=0$

or

$\cos x = -1$

This gives us $x= \pi$ or all integer multiples of $\pi (n \pi)$

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2 years ago

If the product of 0x0 the same as the sum of 0+0? Explain

umka21 [38]

They are both the same because anything times 0 equal 0 and 0+0 equals 0.

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3 years ago

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Given the function f(x) = x - 10, what is the corresponding value when x = -12? *

Dahasolnce [82]

Answer:

-22

Step-by-step explanation:

-12 - 10 = -22

4 0

2 years ago