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Naddik [55]
4 years ago
7

Which of the following methods would provide a voluntary response sample?

Mathematics
1 answer:
a_sh-v [17]4 years ago
6 0

Answer:

The Answer is D

Step-by-step explanation:

A survey of every 10th person leaving a large shopping mall. I hope im right this question was tricky though. Hope it helps :)

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15 POINTSSSS‼️‼️
Olenka [21]

Answer:

If the company produce and sell 'x' no. of thing-a-ma-bob , then

C(x) = $ (8809 + 2.05x)

R(x) = $ 4.92x

To make a profit the company must produce and sell at least 3070 thing-a-ma-bobs.

Step-by-step explanation:

If the company produces and sells "x" no. of thing-a-ma-bob, then,

the cost function is given by,

C(x) = $ (8809 + 2.05x) ------------------------(1)

The revenue function is given by,

R(x) = $ 4.92x -------------------------------------(2)

If C(x) = R(x), then,

4.92x = 8809 + 2.05x

⇒ 2.87x = 8809

⇒ x = \frac {8809}{2.87}

⇒ x \simeq 3069.34

So, to make a profit the company must produce and sell at least 3070 thing-a-ma-bobs.

6 0
4 years ago
Four calculators cost $160 the Unit rate
Agata [3.3K]
The unit rates is $40 $160 divides by 4 calculators gets you $40
4 0
3 years ago
Ken watches a marching band. He sees 2 rows of flute players. Six people are in each row. He sees 8 trombone players. How many f
sukhopar [10]
Twelve flute players.

Eight trombone players.

20 total of flute and trombone players.
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4 years ago
Which linear function passes through (-1,8) and has a slope of -2
vova2212 [387]

Answer:

Step-by-step explanation answer is C

6 0
3 years ago
John and his family went out to eat at their favorite restaurant's the bill for the food was $65 and I left a 20% tip for the se
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Well 10% is $6.50, so just multiple that by 2 and you get your fill tip of $13. Then you just add them together and you get $78.
5 0
3 years ago
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