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ratelena [41]
3 years ago
10

Someone please help math question?ASAP

Mathematics
1 answer:
natali 33 [55]3 years ago
3 0
A I am pretty sure. I apologize if I am incorrect. 
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A student needs to make a circular cardboard piece with an area between 154 square inches and 616 square inches. The function f(
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circular cardboard with an area between 154 in² and 616 in²

Radius is between 7 inches and 14 inches. ⇒ A) 7 < r < 14

√18 + √2 = √9 *2 + √2 = 3√2 + √2 = (3+1) √2  = 4√2

D) It is irrational and equal to 4 multiplied by the square root of 2.

3 0
3 years ago
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Miss Davis buys a loaf of bread for $4.25 and sevreal cans of soup for $1.50 each Miss Lee Buys Loaf of bread for the same cost
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Answer:

y= x less than 1.5 +4.25

Step-by-step explanation:

5 0
3 years ago
A researcher determines that students are active about 60 + 12 (M + SD) minutes per day. Assuming these data are normally distri
rjkz [21]

Answer:

The correct option is (b).

Step-by-step explanation:

If X \sim N (µ, σ²), then Z=\frac{X-\mu}{\sigma}, is a standard normal variate with mean, E (Z) = 0 and Var (Z) = 1. That is, Z \sim N (0, 1).

The distribution of these z-variate is known as the standard normal distribution.

The mean and standard deviation of the active minutes of students is:

<em>μ</em> = 60 minutes

<em>σ </em> = 12 minutes

Compute the <em>z</em>-score for the student being active 48 minutes as follows:

Z=\frac{X-\mu}{\sigma}=\frac{48-60}{12}=\frac{-12}{12}=-1.0

Thus, the <em>z</em>-score for the student being active 48 minutes is -1.0.

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4 0
3 years ago
This is a description of a(n)<br> A) asteroid. <br> B) comet. <br> C) meteor. <br> D) star.
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B. Comet


Sometimes called a dirty snowball


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3 years ago
The table below shows the number of marbles of different colors in a bag:
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There are 2+6+7=15 cakes.  There's a 6/15 chance that the first cake selected will be a pineapple cake, and then a 2/14 chance that the second cake selected will be a strawberry cake, by the same logic as above.  This is equal to 12/210.  The first answer is the best option.
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3 years ago
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