3 years ago

Please help I have to turn this in by the end of the night

Mathematics

2 answers:

andriy [413]3 years ago

6 0

The answer is 25.

Explanation:

Sergio [31]3 years ago

4 0

Answer:

Step-by-step explanation:

10x40%+25x84%=25

btw,you have a lot of questions tonight

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Find the principal (positive) square root of 22. if necessary, round the answer to the nearest hundredth (two decimal places).

4vir4ik [10]

Step 1

Find the two perfect square numbers it lies between.

Solution:
4²= 16 and 5² = 25, so lies between 4 and 5.

step 2

Divide 22 by 4. 22/4 = 5.5 (you can round off your answer)

step 3

Average 5.5 and 4. (5.5+4)/2 = 4.75

step 4

repeat step 2

Divide 22 by 4.75. 22/4.75 = 4.6316

step 5

repeat step 3

Average 4.75 and 4.6316. (4.75+4.6316)/2 = 4.6908

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4.69

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4 years ago

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3 years ago

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4 years ago

Solve for the indicated angle to the nearest tenth of a degree. o 18 25

Sonbull [250]

Answer:

$\theta=54.2^\circ$

Step-by-step explanation:

Right Triangles

The ratios of the sides of a right triangle are called trigonometric ratios. Each acute angle has an adjacent side and an opposite side. The trigonometric ratios are defined upon those sides.

The tangent ratio is defined as:

$\displaystyle \tan\theta=\frac{\text{opposite side}}{\text{adjacent side}}$

The opposite side is 25 and the adjacent side is 18, thus:

$\displaystyle \tan\theta=\frac{25}{18}=1.389$

The angle is calculated by using the inverse tangent function:

$\theta=\arctan 1.389$

$\boxed{\theta=54.2^\circ}$

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