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love history [14]
2 years ago
6

HELLPPPPPPPP A Blue Ray Player costs $150 and each disc costs $15.50.

Mathematics
1 answer:
Sliva [168]2 years ago
4 0

Answer:

150 + 15.50 x 0.075

Step-by-step explanation:

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A television is measured by its diagonal. If the height of a 70 inch television is 42 inches, what is the width? ​
GenaCL600 [577]

Use the Pythagorean theorem:

70^2 = 42^2 + width^2

4900 = 1764 + width ^2

Subtract 1764 from both sides

3136 = width^2

Take the square root of both sides

Width = 56 inches

7 0
2 years ago
Jessica is selling books during the summer to earn money for college. She earns a commission on each sale but has to pay her own
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3 years ago
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Subtract these polynomials.
zvonat [6]
Answer: A

Explanation:

(6x^2 - x + 8) - (x^2 + 2)
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6 0
3 years ago
For a normal distribution with μ=500 and σ=100, what is the minimum score necessary to be in the top 60% of the distribution?
STatiana [176]

Answer:

475.

Step-by-step explanation:

We have been given that for a normal distribution with μ=500 and σ=100. We are asked to find the minimum score that is necessary to be in the top 60% of the distribution.

We will use z-score formula and normal distribution table to solve our given problem.

z=\frac{x-\mu}{\sigma}

Top 60% means greater than 40%.

Let us find z-score corresponding to normal score to 40% or 0.40.

Using normal distribution table, we got a z-score of -0.25.

Upon substituting our given values in z-score formula, we will get:

-0.25=\frac{x-500}{100}

-0.25*100=\frac{x-500}{100}*100

-25=x-500

-25+500=x-500+500

x=475

Therefore, the minimum score necessary to be in the top 60% of the distribution is 475.

3 0
2 years ago
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neonofarm [45]

Answer:

-1

Step-by-step explanation:

Has to be the opposite

4 0
3 years ago
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