2 years ago

I WILL MARK YOU BRAINLIEST PLEASE !!!!

Mathematics

2 answers:

Illusion [34]2 years ago

8 0

Answer:

Step-by-step explanation:

kobusy [5.1K]2 years ago

6 0

Answer: Choice B. (0,4)

Explanation:

Point M is at (0,2). We multiply each coordinate by the scale factor 2 to get (0,4) which is the location of M'

This trick only works if the center of dilation is the origin.

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Hi! ( your name ) How are you? Have you eaten? Go drink some water! Are you feeling sad? go to the comments and talk about it. D

kirill115 [55]

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3 years ago

Suppose 40% of the students in a university are baseball players. If a sample of 781 students is selected, what is the probabili

3241004551 [841]

Answer:

$P(p>0.43) = 0.0436$

Step-by-step explanation:

Given

$p = 40\%$ -- proportion of baseball players

$n = 781$ --- selected sample

Required

Determine P(p>43%)

First, calculate the z score using:

$Z = \frac{\^{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

This gives:

$Z = \frac{48\%-40\%}{\sqrt{\frac{40\% *(1 - 40\%)}{781}}}$

Convert % to decimal

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *(1 - 0.40)}{781}}}$

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *0.60}{781}}}$

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.24}{781}}}$

$Z = \frac{0.03}{\sqrt{0.00030729833}}$

$Z = \frac{0.03}{0.01752992669}$

$Z = 1.71$

So:

$P(p>0.43) = P(Z>1.71)$

$P(p>0.43) = 1 - P(Z$

$P(p>0.43) = 1 - 0.9564$

$P(p>0.43) = 0.0436$

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3 years ago

What is the equation for the number of amoebas an hour

Rufina [12.5K]

Answer: 30

Step-by-step explanation: GOOD MORNING.

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2 years ago

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Answer please its for my finals please

dalvyx [7]

Answer:

Part A: c = 2.25 + b

Part B: c = 6.75, b = 8

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2 years ago

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A farmer sells 7.8 kilograms of pears and apples at the farmer's market. 3/4 of this weight is pears, and the rest is apples. Ho

tangare [24]

Answer:

He sold 1.95 kilograms of apples.

Step-by-step explanation:

First we find out what 3/4 of 7.8 is.

3/4 of 7.8 = 5.85

Next we subtract 7.8 by 5.85

7.8 - 5.85 = 1.95

So, the answer is 1.95

Hope this helps! :)

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2 years ago

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