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alexdok [17]
3 years ago
7

A truck is painting traffic lines along a highway the truck paints 8 miles of lines in 3 hours at the rate how many miles can a

truck paint in 12 hours.
Mathematics
1 answer:
EleoNora [17]3 years ago
8 0

Answer:

32 miles

Step-by-step explanation:

because 8 ×4 =36

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WHICH EXPRESSION IS NOT EQUIVALENT?
s344n2d4d5 [400]

Answer:

C

Step-by-step explanation:

First, factor the original expression:

2x^2+10x+12\\2(x^2+5x+6)\\2(x+3)(x+2)

As we can see, D is the same as above. Eliminate D.

Go through each of the answer choices.

A:

(2x+4)(x+3)\\=2(x+2)(x+3)

This is equivalent to what we factored. Eliminate A.

B:

(2x+6)(x+2)\\=2(x+3)(x+2)

This is again equivalent to what we factored. Eliminate B.

C:

(2x+3)(x+4)\\

This cannot be simplified and it is not equivalent to what we have previously. C is not the equivalent expression.

3 0
3 years ago
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Please help me!! I can't do this...
muminat

Answer:

focus and belive on your self

Step-by-step explanation:

6 0
3 years ago
What is the surface area of this right circular cone?
docker41 [41]

Answer:

○ B) 624π mm.²

Step-by-step explanation:

\pi r(r +  \sqrt{ {r}^{2} +  {h}^{2}}) = S. A. \\  \\ \pi (12)(12 + \sqrt{{12}^{2} + {40}^{2}}) \\  \\ 12\pi(12 + \sqrt{1744}) = 12\pi(12 + 38) = 12\pi(50) = 600\pi \\  \\ 600\pi ≈ 624\pi

I am joyous to assist you anytime.

3 0
3 years ago
Lisa has three classes that each last 50 minutes what is the total number of minutes that the classes last
gulaghasi [49]
The Answer is B Because 50 x 3 = 150... Weird Pic thou
7 0
3 years ago
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How do you factor the trinomial 3x^2+18x-21?
snow_lady [41]

Answer:

(3)(x+7)(x-1)

Step-by-step explanation:

3x^2+18x-21

Let's start by taking 3 out of the equation.

3(x^2+6x-7)

Now, when we factor, we need to find two numbers that add up to 6 and multiply to -7.

The numbers would be 7 and -1.

So the factored form of this would be:

(3)(x+7)(x-1)

7 0
3 years ago
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