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2 years ago

10

The standard form of the equation of a parabola is y= 5x2 + 20x+ 14.

1 answer:

Mama L [17]2 years ago

8 0

Answer:

y = 5(x+2)^2 - 6

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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One year, the population of a city was 94,000. Several years later it was 109,980. Find the percent increase.

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2 years ago

The GCF of two numbers is 850 neither number is divisible by the other what is the smallest these two numbers can be?

saul85 [17]

Began by dividing 850 by 1, then 2, then 3, and so on, and I made a list of the whole numbers.

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2 years ago

2. Stanford–Binet IQ Test scores are normally distributed with a mean score of 100 and a standard deviation of 15. a. Sketch the

gogolik [260]

Answer:

0.0010,0.2743

Step-by-step explanation:

Given that Stanford–Binet IQ Test scores are normally distributed with a mean score of 100 and a standard deviation of 15

If x represents the scores then

X is N(100,15)

a) See enclosed file

b) Z score = $\frac{x-100}{15}$

c) the probability that a randomly selected person has an IQ test score

i. Over 145.

= $P(X>145) = P(Z>3) = 0.0010$

ii. Under 91

= $P(X$

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2 years ago