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Liula [17]
3 years ago
6

The mean life of a tire is 30,000 km. The standard deviation is 2000 km. 95% of all tires will have a life between___ km and ___

km.
Mathematics
2 answers:
Llana [10]3 years ago
7 0

Answer:Need more infromation

omeli [17]3 years ago
7 0

Answer:

Between 26,000 and 34,000 km.

Step-by-step explanation:

95% of a data set will be within 2 standard deviations of the mean.

Therefore, the range will be from "μ - 2σ" to "μ + 2σ".

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Through: (-3,-4) and (0,4)
12345 [234]

Answer:

The slope = 8/3

Step-by-step explanation:

Let's find the slope between your two points.

(−3,−4);(0,4)

(x1,y1) = (−3,−4)

(x2,y2) = (0,4)

Use the slope formula:

m= y2−y1 / x2−x1

= 4 − −4 / 0 − −3

= 8/3

Answer:

m = 8/3

Graph:

hope this helps and is right :)

7 0
3 years ago
Aaaahhhh.
vovangra [49]

Answer:

Step-by-step explanation:

evolved=verb

from=preposition

british=noun if referring to a person that is British (That person is a British). adjective when referring to something from britain (british food/british person/british language)

6 0
4 years ago
Find the distance between the points (-8, -2) and (6,-1). Round your answer to the nearest hundredth.
vitfil [10]

Answer:

distance is 14.04

Step-by-step explanation:

the distance between 2 points is the Hypotenuse of the right angled triangle of the x and y coordinate differences.

we use Pythagoras

c² = a² + b²

c = the Hypotenuse (the side of the triangle opposite to the 90 degree angle).

the x difference

-8 - 6 = -14

the y difference

-2 - -1 = -1

c² = -14² + -1² = 196 + 1 = 197

c = sqrt(197) = 14.04

7 0
2 years ago
|9x+3|=9 <br> Find the real solutions of the equation
Yuki888 [10]
9x+3 = -9 and 9x+3 = +9

x=-12/9
x=6/9
4 0
3 years ago
Read 2 more answers
Thomas bought a new backpack that was 30 off the original price.The sale resulted in a $15 discount.What was the original price
allsm [11]

Answer:

30% = $15

1% = $15 ÷ 30 = $0.50

100% = $0.50 x 100 = $50

$50

8 0
3 years ago
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