Whats the correct answer?

Mathematics

1 answer:

strojnjashka [21]2 years ago

5 0

Answer:

its the 4 one

Step-by-step explanation:

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The difference between -87 and -125.62?

marshall27 [118]

Answer:

38.62

Step-by-step explanation:

You can figure this out by converting these to a positive number, then subtracting the lower number from the higher number.

4 0

3 years ago

Find the value of the trig function indicated

Lera25 [3.4K]

Answer:

$\cos(\theta)=\frac{4}{5}$

Step-by-step explanation:

Step 1:

Let us find the missing side. We know this is a right triangle, so we can use the pythagorean thereom to find the last side. Let us set 12 as variable a, 20 as variable c, and the unknown side as variable b.

$a^2+b^2=c^2\\12^2_b^2=20^2\\b^2=400-144\\b^2=256\\b=\pm16$

We do know that a length can never be negative, so the side b would be 16.

Step 2:

According to SOHCAHTOA, cosine is utilizes the adjacent and hypotenuse of the given angle theta. Let us write the equation:

$\cos(\theta)=\frac{adjacent}{hypotenuse} \\\\\cos(\theta)=\frac{16}{20} \\\\\cos(\theta)=\frac{4}{5}$

I hope this helps! Let me know if you have any questions :)

6 0

3 years ago

The number z and −1.9 are additive inverses.

tia_tia [17]

Additive inverses are numbers that add up to zero, such as 1 and -1. Z is the additive inverse of -1/9, so z is 1.9.

1.9 + -1.9 =0.

Drag the -1.9 icon to just one mark to the right of -2 on the number line, since each dash equals 0.1. Drag z to just one mark to the left of 2 on the number line.The sum will be zero, so drag the sum icon to 0 on the number line.

3 0

3 years ago

Read 2 more answers

What is the value of x in 7(3x - 13)=224 ? Will mark brainliest!

coldgirl [10]

7(3x-13)=224

21x-91 = 224

21x = 315

x = 315 / 21

x = 15

3 0

3 years ago