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3 years ago

15

Nectarines cost $2.99 per pound. Shayla buys a single nectarine for $0.75. How much does the nectarine weigh to the nearest hund

redth of a pound? Question 21 options: A. 0.25 pounds B. 0.30 pounds C. 0.15 pounds D. 0.20 pounds

1 answer:

Zarrin [17]3 years ago

7 0

I think the answer is A.

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If the variance is 28 kg2 what is the standard deviation?

ikadub [295]

Answer:

The standard deviation is 5.29 kg.

Step-by-step explanation:

The standard deviation is the square root of the variance. Mathematically, we have that:

$S(X) = \sqrt{V(X)}$

In this problem, we have that:

$V(X) = 28$

So

$S(X) = \sqrt{V(X)}$

$S(X) = \sqrt{28}$

$S(X) = 5.29$

The standard deviation is 5.29 kg.

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2 years ago

Determine area under the standard normal curve given the z score, z less than 1.25

FromTheMoon [43]

Answer:

0.8944

Step-by-step explanation:

Use a calculator or table.

Using a z-score table:

P(z < 1.25) = 0.8944

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3 years ago

Find the vertex of the parabola.

riadik2000 [5.3K]

Answer:

Correct answer is B. (-2,4)

Step-by-step explanation:

Given: y = 2x^2 + 8x + 12

if x = 2,

Use substitution: y = 2(-2)^2 + 8(-2) + 12

y = 8 - 16 + 12

y = -8 + 12

y = 4

So, (-2, 4) would be your answer.

I hope this helps!!!

5 0

3 years ago

Read 2 more answers

2.6 as a repeating decimal into a simplified fraction

sveticcg [70]

2 2/3

Put them together it’s a mixed fraction

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3 years ago

Which of the following is equal to 1/5^-2<br>A.1/25<br>B.-1/25<br>C.25<br>D.1/7

Ede4ka [16]

Answer:

C. 25

Step-by-step explanation:

The applicable rule of exponents is ...

a^b = 1/a^-b

Matching this pattern to your expression, you see that ...

a = 5

b = 2

Then ...

1/5^-2 = 5^2 = 25

5 0

2 years ago