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Elden [556K]
3 years ago
15

I REALLY NEED SOME HELP! PLEASE GUYS I WILL DO ANYTHING! BRAINLIEST!

Mathematics
1 answer:
denis-greek [22]3 years ago
5 0
I’m pretty sure the answer is d or c
You might be interested in
Three times the second of three consecutive even integers is twelve less than twice the sum of the first and third integers.Find
Tresset [83]

Answer:

The largest even integer is <u>14</u>.

Step-by-step explanation:

Given:

Three times the second of three consecutive even integers is twelve less than twice the sum of the first and third integers.

Now, to find the largest even integers.

As, 2 is an even number.

Let an even integer be 2x.

So, the three consecutive even integers are:

2x,\ 2x+2,\ and\ 2x+4.

Now, we have to add two to get next even number.

Thus, 3 times the second one of these is:

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

Now, the sum of the first and third ones are:

2x + 2x + 4 \\= 4x + 4

So, the twice the sum of the first and third integers is less than twelve:

2(4x+4)-12\\=8x+8-12\\=8x-4

Now, 3 times the second is 12 less than twice the sum of the other two:

6x+6=8x-4

<em>Getting the variables on one side and the number on other:</em>

6+4=8x-6x

10=2x

<em>Dividing both sides by 2 we get:</em>

5=x

x=5.

Now, the even numbers we get are:

2x=2\times 5=10\\2x+2=2\times 5+2=10+2=12\\2x+4=2\times 5+4=10+4=14.

<em>Thus, the third number is the largest number which is 14.</em>

Therefore, the largest even integer is 14.

 

8 0
3 years ago
I need help and I don't understand it at all.
Hoochie [10]
Look up the answers with mathcam.
5 0
4 years ago
<img src="https://tex.z-dn.net/?f=Solve%3A%202x%20%2B%207%20%3D%20-11PLS%20HELP%20ILL%20GIVE%20YOU%20BRAINLIEST" id="TexFormula1
Lena [83]

Answer:

-9

Step-by-step explanation:

2x + 7 = -11

2x = -11 - 7

2x = -18

x = -9

7 0
3 years ago
The area of a rectangle is 864. the width is 2/3 of the length. What is the length
AnnyKZ [126]
For a rectangle:
A = w*l&#10;
Since A = 864, and W = 2/3L:
W =  \frac{2}{3}L
864=L* \frac{2}{3}L
864 =  \frac{2}{3}L^{2}
1296=L^{2}
\sqrt{L^{2}} = L = 36
Hope that helps! :)
5 0
4 years ago
If f(x)=−x2−8x+7 and g(x)=x−1, what does (g−f)(x) equal?
Serggg [28]

The difference between the two functions is:

(f - g)(x) = -x^2 - 9x + 8

<h3>How to find the difference between the functions?</h3>

Here we have:

f(x) = -x^2 - 8x + 7\\\\g(x) = x - 1

And we want to find (f - g)(x), which is equal to f(x) - g(x), then we can write:

(f - g)(x) = (-x^2 - 8x + 7) - (x - 1) = -x^2 -8x + 7 - x + 1 = -x^2 - 9x + 8

So we conclude that the difference between the two functions is:

(f - g)(x) = -x^2 - 9x + 8

If you want to learn more about functions:

brainly.com/question/2456547

#SPJ1

3 0
2 years ago
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