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Marrrta [24]
3 years ago
6

PLEASE HELP QUICK

Mathematics
1 answer:
Masteriza [31]3 years ago
5 0
F(x) = x^2 +2*7x + 40
.. = (x^2 +2*7x +7^2) +(40 -7^2)
.. = (x +7)^2 -9

f(x) = (x +7)² -9

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A car dealership is having a sale in which you pay 85% of the retail price for a new vehicle. keith is buying a vehicle with a r
sertanlavr [38]
The answer should be <span>4819.5  :)</span>
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3 years ago
The volume of a cylinder can be expressed as V=πr2h, where r is the radius, and h is the height of the cylinder. Which expressio
Naddik [55]

Answer:

The answer is V= (\pi) (x-3^{2}) (2x+7).

Step-by-step explanation:

To find the volume of the cylinder, plug in the information given in the question into the formula for the volume of a cylinder, which is V = \pi r^{2} h.  

5 0
3 years ago
According to the data, the mean quantitative score on a standardized test for female college-bound high school seniors was 500.
Sveta_85 [38]

Answer:

6.68% of the female college-bound high school seniors had scores above 575.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 500

Standard Deviation, σ = 50

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(scores above 575)

P(x > 575)

P( x > 575) = P( z > \displaystyle\frac{575 - 500}{50}) = P(z > 1.5)

= 1 - P(z \leq 1.5)

Calculation the value from standard normal z table, we have,  

P(x > 575) = 1 - 0.9332= 0.0668 = 6.68\%

6.68% of the female college-bound high school seniors had scores above 575.

7 0
3 years ago
Y=10x please Help ASAP
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Use the slope-intercept form to find the slope and y-intercept.

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Answer:

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