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alex41 [277]
3 years ago
6

PLEASE HELP I WILL GIVE EXTRA POINTS AND BRAINALIST to the first person

Mathematics
1 answer:
kenny6666 [7]3 years ago
4 0

Answer:

A.

Step-by-step explanation:

The answer is A.

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The miles-per-gallon obtained by the 1995 model Z cars is normally distributed with a mean of 22 miles-per-gallon and a standard
AlekseyPX

Answer:

0.42074

Step-by-step explanation:

In this question, we are asked to calculate the probability that a car will get less than 21 miles per gallon.

This is P(x < 21)

z = 21-22/5 = -1/5 = -0.2

Therefore the probability of getting less than 21 miles per gallon will be;

P(x<21) = P (z < -0.2)

= 0.42074

4 0
3 years ago
Solve for x. (Round to the nearest thousandth.)<br> 3x - 8 = 15
saul85 [17]

Answer:x = 7.667

Step-by-step explanation:

3x - 8 = 15

     + 8 = 23

3x = 23

divide 3 by 3 and 23 so you get x by itself

answer = 7.667

3 0
3 years ago
Read 2 more answers
Find the slope of a line perpendicular to each given line.<br><br> 7) y = 5/2x - 3
yulyashka [42]

Answer:y= -2/5x-3

Step-by-step explanation:

It's actually pretty simple, all you gotta do is flip the fraction around so if it is 5/2x now is 2/5, and then change the sign, since it was positive now it's negative

4 0
2 years ago
Is 10.2 x 10 written in scientific notation. EXPLAIN
Virty [35]

Answer:

No

Step-by-step explanation:

Scientific notation has to be a number between 1 and 10 times 10 to the something power. 10.2 is not between 1 and 10

7 0
3 years ago
Read 2 more answers
X + 78 = 90 can someone solve this for me please?​
kondaur [170]

Let's solve your equation step-by-step.

x+78=90

Step 1: Subtract 78 from both sides.

x+78−78=90−78

x=12

Please put brainliest!

8 0
3 years ago
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