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Blizzard [7]
3 years ago
14

2=-7/4+1/4x I need help!!

Mathematics
1 answer:
DochEvi [55]3 years ago
3 0

Answer:

x = 15

Step-by-step explanation:

2 = -7/4 + 1/4x

+7/4  +7/4                 Add 7/4 to both sides

15/4 = 1/4x                Divide both sides by 1/4

15 = x

If this answer is correct, please make me Brainliest!

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PLEASE HELP 25PTS!! Select the correct answer from each drop-down menu.
lions [1.4K]

Answer:

The quality control facility operates for 10 hours each day.

Step-by-step explanation:

The given function models the number of cars that are put through a quality control test each hour at a car production factory.

The given function is

c(t)= -t^2+8t+20

We need to find the number of hours does the quality control facility operate each day.

Rewrite the given function it factored form.

c(t)= -t^2+(10t-2t)+20

c(t)= (-t^2+10t)+(-2t+20)

Taking out the common factors from each parenthesis.

c(t)= -t(t-10)-2(t-10)

c(t)= (t-10)(-t-2)

c(t)=-(t-10)(t+2)

The factored form of given function is c(t)=-(t-10)(t+2).

Equate the function equal to 0 to find the x-intercept.

0=-(t-10)(t+2)

t-10=0\Rightarrow t=10

t+2=0\Rightarrow t=-2

Number of hours cannot be negative. So from t=0 to t=10 quality control facility operate the cars.

Therefore the quality control facility operates for 10 hours each day.

7 0
3 years ago
Write a multiple of 4 that is greater than 30 but less than 100
seraphim [82]
10x4=40. i dunno thats what i got from google lolll..

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Answer:

the 3rd one x+2=5

Step-by-step explanation:

Why?

because you are going from small # to a bigger # so you know you are adding

there is 2 there and it says that it = 5

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