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erma4kov [3.2K]
3 years ago
7

Which expression is equivalent to the area of square A, in square centimeters?

Mathematics
2 answers:
OLEGan [10]3 years ago
7 0
The pythagorean theroem states that for a right triangle, a squared plus b squred equals c squared, where a and b represent the length of each of the legs and c represents the length of the hypotenuse.
Therefore the answer is D
abruzzese [7]3 years ago
5 0

Answer:

d

Step-by-step explanation:

i just took the test and passed

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The distance that a Tesla model 3 can travel is normally distributed with a mean of 260 miles and a standard deviation of 25 mil
Alja [10]

Answer:

2.28% probability that a randomly selected Tesla model 3 can travel more than 310 miles

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 260, \sigma = 25

What is the probability that a randomly selected Tesla model 3 can travel more than 310 miles?

This is 1 subtracted by the pvalue of Z when X = 310. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{310 - 260}{25}

Z = 2

Z = 2 has a pvalue of 0.0228

2.28% probability that a randomly selected Tesla model 3 can travel more than 310 miles

3 0
3 years ago
Solve each system by elimination.
Lerok [7]
X=6/3=2 is the answer
3 0
3 years ago
Read 2 more answers
HURRY!!! HURRY!!! HURRY!!!
podryga [215]

x = \frac{3}{2} ± \frac{1}{2}i

rearrange the equation and equate to zero

2x² - 6x = - 5 ⇒ 2x² - 6x + 5 = 0

this doesn't factor with integers, hence use the quadratic formula to solve

with a = 2, b = - 6 and c = 5

x = (6 ± √(36 - 40 ) )/4

  = (6 ± √(-4) ) / 4

  = (6 ± 2i ) / 4

x = \frac{3}{2} ± \frac{1}{2}i



8 0
3 years ago
Read 2 more answers
What is 3/4 - 5/9 in simplest form
Alik [6]
3/4 - 5/9 .....common denominator is 36
27/36 - 20/36 =
7/36 <==
5 0
4 years ago
Read 2 more answers
Which feature of the Earth is shown below and is created by farge amounts of in our core?
Black_prince [1.1K]

Answer:

C) Earth's Magnetic Field.

Step-by-step explanation:

Those lines are representing the magnetic pulls/fields that go around the Earth. Another clue that is given is the N and S, which represent North and South, which pertains to the north pole and south pole. These poles have a lot of magnetic fields around them.

6 0
3 years ago
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