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harina [27]
3 years ago
7

Help please :( It’s due In a couple of hours

Mathematics
1 answer:
zhenek [66]3 years ago
8 0
D+b(3) just put them all together
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Which of these is an example of a random sample? O A. The five employees who work the late shift answer questions about manageme
CaHeK987 [17]

Answer:

D

Step-by-step explanation:

since five out of 2000 were chosen randomly then that's a random sample since everyone had an equal chance to be picked

7 0
2 years ago
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Please help me on this problem !
Rashid [163]

Answer:

x = 5 , y = 5\sqrt{3}

Step-by-step explanation:

Using the sine and cosine ratios in the right triangle and exact values.

sin30° = \frac{1}{2} , cos30° = \frac{\sqrt{3} }{2} , then

sin30°= \frac{opposite}{hypotenuse} = \frac{x}{10} = \frac{1}{2} ( cross- multiply )

2x = 10 ( divide both sides by 2 )

x = 5

and

cos30° = \frac{adjacent}{hypotenuse} = \frac{y}{10} = \frac{\sqrt{3} }{2} ( cross- multiply )

2y = 10\sqrt{3} ( divide both sides by 2 )

y = 5\sqrt{3}

8 0
2 years ago
Select the correct answer.
eimsori [14]

Answer:

D

Step-by-step explanation:

Given that

f(x)=-2x – 1

g(x) = -1/2x+1/2

I The function f( g(x)) = x for all real x.

-2(-1/2X + 1/2) - 1

X - 1 - 1

X - 2

II. The function glAx)) = x for all real x.

- 1/2( -2X - 1 ) + 1/2

X + 1/2 + 1/2

X + 1

III. Functions fand g are inverse functions

Inverse of f(x)

Y = -2x - 1

X = - 2Y - 1

- 2Y = X + 1

Y = - 1/2X - 1/2

Therefore, none of the above answers is correct.

The correct answer is therefore D

7 0
2 years ago
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Chloe scored 24 points over the first 12 games of the basketball season. She scored 112 points over the last 16 games of the sea
-BARSIC- [3]

Answer:

5 points

Step-by-step explanation:

First, find how many points per game she scored over the first 12 games:

24/12

= 2 points per game

Now, find how many she scored in the last 16 games:

112/16

= 7 points per game

Find the difference:

7 - 2

= 5

So, she scored 5 more points per game in the last 16 games

6 0
3 years ago
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Which statements are correct? Check all that apply.
kirill [66]

Answer:

A quadratic function can have two irrational roots.

A quadratic equation can have no real number solutions.

Step-by-step explanation:

7 0
2 years ago
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