I need help please Pre algebra It’s due please

Mathematics

2 answers:

OLEGan [10]2 years ago

5 0

Answer:

Jk is parallel to LM

Step-by-step explanation:

jonny [76]2 years ago

4 0

Answer:

Step-by-step explanation: in translations the shape will stay the same unless dialations if you use transfer paper you can see it

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I have 1 word problem and a math problem. (word prob)A light-year is the distance that light travels in a year and is equivalent

Sati [7]

Answer:

1. 9461000000000

move the desimal in 9.461 12 places to the right to get:

9461000000000

5.85 x 10^-3,

2.5 x 10^-1,

3.6 x 10^8,

8.5 x 10^8,

8.5 x 10^12

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2 years ago

The circumference of a circle measures 11.27 pi feet. What is the measure of the diameter of the circle?

scoray [572]

C=11.27π feet
Diameter=11.27 feet. Hope it help!

4 0

3 years ago

A simple random sample of size nequals10 is obtained from a population with muequals68 and sigmaequals15. (a) What must be true

valentina_108 [34]

Answer:

(a) The distribution of the sample mean ( $\bar x$ ) is N (68, 4.74²).

(b) The value of $P(\bar X$ is 0.7642.

Step-by-step explanation:

A random sample of size n = 10 is selected from a population.

Let the population be made up of the random variable X.

The mean and standard deviation of X are:

$\mu=68\\\sigma=15$

(a)

According to the Central Limit Theorem if we have a population with mean μ and standard deviation σ and we take appropriately huge random samples (n ≥ 30) from the population with replacement, then the distribution of the sample mean will be approximately normally distributed.

Since the sample selected is not large, i.e. n = 10 < 30, for the distribution of the sample mean will be approximately normally distributed, the population from which the sample is selected must be normally distributed.

Then, the mean of the distribution of the sample mean is given by,

$\mu_{\bar x}=\mu=68$