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LuckyWell [14K]

2 years ago

9

Plz help me it’s multiple choice! mind showing work aswell?

1 answer:

ICE Princess25 [194]2 years ago

5 0

Answer:

Ambot wako kabalo oi sorry kaau

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There are two conditions under which we can assume that the sample means follow a normal distribution. What are they

Naddik [55]

Two conditions under which we can assume that the sample means follow a normal distribution are as follows:

1). If the sample size is large enough, n greater than or equals 30, the sampling distribution is approximately normal regardless of the shape of the population.

2). In order to be considered a normal distribution, a data set (when graphed) must follow a bell-shaped symmetrical curve centered around the mean.

To learn more about Normal Distributions visit:

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1 year ago

9. Jacob makes $10 for every lawn he mows, m. He owes his<br> brother $20.

Over [174]

Answer:

If jacob is broke then he needs to mow 2 lawns for $20 to pay his brother back.

Step-by-step explanation:

6 0

2 years ago

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The length of overline CD is 12 units. C^ prime D^ prime is the image of overline CD under a dilation with a scale factor of n.

Rufina [12.5K]

Answer:

A, D , and E

Step-by-step explanation:

We have that:

$\overline{CD} = 12 \: units$

$\overline{C'D'}$

is the image of CD after a dilation of scale factor n.

We use the relation between the image length and object length:

$\overline{C'D'} = n \times \overline{CD}$

Option A

If n=3/2, then

$\overline{C'D'} = \frac{3}{2} \times 12 = 3 \times 6 = 18 \: units$

This is true.

Option B

If n=4, then

$\overline{C'D'} = 4 \times 12 = 36 \: units$

This is false.

Option C

If n=8, then

$\overline{C'D'} = 8 \times 12 = 96 \: units$

This too is false.

Option D

If n=2, then

$\overline{C'D'} = 2 \times 12 = 24 \: units$

This is true

Option E

If n=3/4, then

$\overline{C'D'} = \frac{3}{4} \times 12$

$\overline{C'D'} = 3 \times 3 = 9 \: units$

This is also true.

4 0

3 years ago

A car rental company offers two options. option a is $25 per day plus $0.11 per mile. option b is $12 per day plus $0.36 per mil

AVprozaik [17]

25+0.11n>12+0.36n
13>0.25n
n<52
Option b will cheaper then quantity of miles less than 52 miles.

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2 years ago

Which line must be perpendicular to

erma4kov [3.2K]

I think its GI. Could be HJ too. Here's a little reminder about intersecting, parallel, and perpendicular lines...

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2 years ago

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