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zavuch27 [327]
3 years ago
6

Thirty percent of check engine lights turn on after 100,000 miles in a particular model of van. The remainder of vans continue t

o have check engine lights that stay off. Simulate randomly checking 25 vans, with over 100,000 miles, for check engine lights that turn on using these randomly generated digits. Let the digits 1, 2, and 3 represent a van with check engine light that turn on. 96408 03766 36932 41651 08410 Approximately how many vans will have check engine lights come on?
Mathematics
2 answers:
sladkih [1.3K]3 years ago
6 0
30,000 of the vans will have their check-engine lights turn on.

marysya [2.9K]3 years ago
3 0

Answer:

The correct answer is 7

Source: Just took quiz and got it right


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A cylinder and a cone have the same base and height. The cylinder can hold about 4,712 Centimeters cubed of sand. Jared says tha
klasskru [66]

Answer:

C. Jared is not correct because the cone and the cylinder have the same base and height so the cone holds 4,712/3≈1,571 centimeters cubed of sand.

Step-by-step explanation:

We have a cone and a cylinder with the same base and height.

We can express the volume of the cylinder as:

V_{cyl}=\pi r^2H

being r the radius and H the height.

The volume of the cone can be written as:

V_{con}=\dfrac{\pi}{3}r^2H=\dfrac{V_{cyl}}{3}

As they have the same base and height, we know that the volume of the cylinder is 3 times the volume of the cone.

If the volume of the cylinder is 4,712 cm^3, then the volume of the cone is:

V_{con}=\dfrac{V_{cyl}}{3}=\dfrac{4,712}{3}\approx1571

8 0
3 years ago
Read 2 more answers
Write down the coordinates of the image of the point (2-3) under reflecting about the line joining the points (3, 5) and (3,7) ​
Murrr4er [49]

Answer:

(4 , -3)

Step-by-step explanation:

the points (3 , 5) and (3 , 7) ​have the same x-coordinates 3

then ,the line D joining them has the equation  

D : x = 3

the image of the point A(2 , -3) under reflecting about The line D ,

lie on the line ∆ perpendicular to D and passes through A.

∆ perpendicular to D then the equation of ∆ is :

∆ : y = a   ,where a is a real number.

Calculating ‘a’ :

∆ passes through A

Then

-3 = a

Therefore

the final equation of ∆ is :

∆ : y = -3

Obviously, the lines D and ∆ intersect at the point M(3 , -3)

FINAL STEP :

<u><em>Calculating the coordinates of the point B(x , y) image of the point A(2 , -3) </em></u>

M is the midpoint of the line segment AB :

Then

3 = (2 + x)/2 and -3 = (-3 + y)/2

Then

x = 4 and y = -3.

4 0
2 years ago
-7(y – 5) + 8 = -27<br> help?
katovenus [111]

Answer:

10

Step-by-step explanation:

-7y + 35 + 8 = -27

collect like terms

-7y = -27 - 35 - 8

-7y = -70

y= -70/-7

y= 10

5 0
3 years ago
Read 2 more answers
Help me to solve this.<br><br>x + 5 = 5
Ivenika [448]
The answer is x=0

Step by step explanation:
X+5=5
X+5-5=5-5
X=0.
7 0
3 years ago
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Is -6 greater or lesser than -5
Sidana [21]

less than because when it turns negative it reverses how it would normally be. so 6 is greater than 5 but -6 is less than -5


3 0
3 years ago
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