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3 years ago

15

Spotify is giving away free year subscription to every 50th person who completes a brief survey. During the first week, 1,725 pe

ople completed the survey. During the second week, 2,175 people completed the survey. How many people received a free year subscription?

1 answer:

Lynna [10]3 years ago

4 0

2,175 people received a free subscription

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3 4/6 mini-pizzas were left in the fridge; the children ate 1 2/3 of them. How much pizza is left for the adults? Give your answ

Naya [18.7K]

Answer:

It would be 2 whole pizza left for the adults. the improper fraction would be 2 1/2 or 5/2

Step-by-step explanation:

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3 years ago

Find x - y subtracted from 0

alexandr1967 [171]

The expression you want to simplify is 0-(x-y).
0-(x-y)
=-(x-y)
=-x+y

You just have to treat the negative sign in front of (x-y) as a -1 and distribute it to both x and -y.

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3 years ago

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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.

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3 years ago

Find the l.c.m of x²+x, x²-1, x²-x

olga2289 [7]

Answer:

X³-x

Step-by-step explanation:

Lcm

x(x-1)(x+1)

x(x²-1)

x³-x

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2 years ago

Which property is used in the following expression? 2 x 3 = 3 x 2

posledela

Answer:

because i learned it in class 2 years ago

Step-by-step explanation:

b. Associative Property of Multiplication

7 0

3 years ago

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