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marissa [1.9K]
3 years ago
10

Lightning McQueen races with an average speed of 125 miles per hour. He drives 400 miles in a

Mathematics
2 answers:
Natali [406]3 years ago
8 0

Answer:

3.2 hours

Step-by-step explanation:

125 x 3.2 = 400

Rina8888 [55]3 years ago
6 0

Answer:

3.2 hours

Step-by-step explanation:

:>

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Solve for y.<br> 3x-4y=6<br> Explain please!
Snezhnost [94]
So 3x=6+4y
divide both of the equations by 3
x=2+4y÷3
x=2+4/3 y
your answer
x=2+4/3 y hope this will help

5 0
3 years ago
Alexa and Daniel , two students of middle school together collected $20 from the students for annual function of their school .
Sergeeva-Olga [200]

Answer:

x + y = 20

Step-by-step explanation:

Let the amount collected by Alexa = $x

& the amount collected by Daniel = $y

Total amount collected = $20

Therefore,

x + y = 20

4 0
2 years ago
A piece of carpet is 8 feet wide and 12 feet long the carpet needs to be reduced by a scale farctor so that the reduced carpet i
Murljashka [212]

Answer: 6 ft ^  2

Step-by-step explanation:

We have been given that a piece of carpet is 8 feet wide and 12 feet long. The carpet needs to be reduced by a scale factor so that the reduced carpet is 2 feet wide.

First of all, let us find the scale factor by which the width of the carpet has been reduced.

<em>Original width of carpet x scale factor = 12</em>

<em>Dividing both sides by 8 feet we will get:</em>

<u><em>8 feet x Scale factor/8 ft = 2/8 ft</em></u>

<em>Scale Factor = 1/4 </em>

<em>Let us find the length of carpet after reduced by a scale factor of 1/4. </em>

Length of the carpet after reducing a factor of 1/4=12 ft x 1/4

Length of the carpet after reducing a factor of 1/4=3 ft.

Now we will multiply the reduced length and width of the carpet to find the area of reduced carpet.

Area of reduced carpet = 2 ft x 3 ft

Area of reduced carpet = 6 ft

Therefore, the area of reduced carpet is 6 square feet.

5 0
3 years ago
Which would be included in a probability model for rolling a cube with faces numbered 1 through 6. Select all that apply.
scoundrel [369]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Events A and B have probabilities such that P(A) = 0.3, P(B) = 0.25, P(M ∪ N) = 0.425, and P(M ∩ N) = 0.075. Are events A and ev
nekit [7.7K]

Answer:

(C)Yes, because P(M) ∙ P(N) = P(M ∩ N)

Step-by-step explanation:

Two events A and B are independent if P(A)P(B)=P(A ∩ B)

Given events A and B such that:

P(A) = 0.3, P(B) = 0.25, P(A ∪ B) = 0.425, and P(A ∩ B) = 0.075

  • P(A)P(B)=0.3 X 0.25 =0.075
  • P(A ∩ B) = 0.075

Since the two expression above gives the same answer, they are independent.

<u>The correct option is C.</u>

7 0
3 years ago
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