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3 years ago

7

The table shows the results when two coins are tossed 500 times.

1 answer:

Delicious77 [7]3 years ago

3 0

A 25% it is right I believe

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And electronics store chain sells headphones The company is about to introduce a new headphones model that is expected to sell v

klasskru [66]

Answer:

$P(x) = -0.25x^2 + 42x - 90$

Step-by-step explanation:

Given

$C(x) = -17x + 90$

$R(x) =- 0.25x^2 + 25x$

Required

Determine the profit function.

Profit function is calculated as thus:

$P(x) = R(x) - C(x)$

So, we have:

$P(x) = -0.25x^2 + 25x -(-17x + 90)$

$P(x) = -0.25x^2 + 25x + 17x - 90$

$P(x) = -0.25x^2 + 42x - 90$

5 0

3 years ago

Which number is equivalent to –(–2)? A. –2 B. 0 C. 2 D. 4

ZanzabumX [31]

Answer: The answer is C. 2

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Solve −2x2 − 16x − 44 = 0.

Ksivusya [100]

Answer:

x=-3

Step-by-step explanation:

-2x2=-4

-4-16x-44=0

combine like terms (-4,-16)

-48-16x=0

move the 16x to the other side of the equal sign (add 16 since its -)

-48=16x

you need x alone so you need to divide by 16

-3=x

4 0

3 years ago

Is the answer option d?

Eddi Din [679]

Answer:

D

Step-by-step explanation:

Yes it's D. Answered by Gauthmath

8 0

3 years ago

Solve for d <br><br> -6 - d = 6 - 4d

snow_tiger [21]

Answer:

d = 4

Step-by-step explanation:

- 6 - d = 6 - 4d ( add 4d to both sides )

- 6 + 3d = 6 ( add 6 to both sides )

3d = 12 ( divide both sides by 3 )

d = 4

7 0

3 years ago