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4 years ago

9

I need help in math!

2 answers:

boyakko [2]4 years ago

8 0

You need to divide for the first one

hram777 [196]4 years ago

8 0

$350 Salary a week + $4,500 Sales times 4.5%= $202.50 + $350= $552.50
$786 Salary per week + $14,420 Sales times 3.25% = $463.125+Salary ($786) = $$1,1249.13
$245 Salary a week +12 % in Sales of $8,958.33 = 1074.9996 + 245 in Salary = 1,319.9996 or $1,320

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The measure of angle A to the nearest tenth of a degree is: A 18.5 B 19.5 C 20.5

Andrew [12]

Answer:

B

Step-by-step explanation:

<u>This is a right triangle as shown by the right angle.</u>

The side opposite the right angle is the hypotenuse, which is 9.
The side opposite angle A is 3.

So we have the opposite of A and the hypotenuse.

The trigonometric ratio that relates opposite side to hypotenuse is SINE.

$sin\theta=\frac{opposite}{hypotenuse}$

Since, we need angle A, $\theta$ is A, opposite side is 3, and hypotenuse is 9, we substitute:

$sinA=\frac{3}{9}\\sinA=\frac{1}{3}$

<em>To solve for the angle, we use our calculator and find the inverse sin of $\frac{1}{3}$ :</em>

$A=sin^{-1}(\frac{1}{3})\\A=19.47$

<em>Rounding to nearest tenth of a degree:</em>

$A=19.5$

B is the right choice.

6 0

4 years ago

Keith_Richards [23]

Could you perhaps take a screenshot of this? because I'm confused how this is written when it says "left and right"

5 0

3 years ago

What is the slope of the line passing through the points ( 1, 3) and (4, 7)?

kvv77 [185]

None of the options is correct, because the slope =(y2-y1)/(x2-x1) so the answer is: slope=(7-3)/(4-1) = 4/3

4 0

3 years ago

Read 2 more answers

Find the unit rate. Round to the nearest hundredth, if necessary.<br><br> $340 for 18 ft2

kap26 [50]

Answer:

18.89

Step-by-step explanation:

340/18=18.8888

18.888 to the nearest hundredth is 18.89

4 0

3 years ago

The vertices of a rectangle are A(2, 0), B(5, 0), C(5, −2), and D(2, −2). Reflect the rectangle in the y-axis, and then rotate t

yKpoI14uk [10]

Answer:

A′(-2, 0), B′(-5, 0), C′(-5, 2), and D′(-2, 2)

Step-by-step explanation:

I did FLVS (Online School stuffs)

4 0

3 years ago