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Mamont248 [21]
2 years ago
15

(4x + 5) - (2x - 3)

Mathematics
2 answers:
skad [1K]2 years ago
7 0

Answer:

2x + 8

Step-by-step explanation:

(4x + 5) - (2x - 3)

4x + 5 - 2x + 3

2x + 8

DochEvi [55]2 years ago
4 0

Answer: 2x+8

Step-by-step explanation:

4x+5-2x+3

=2x+8

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What is the value of k?​
ELEN [110]

Answer:

10°

Step-by-step explanation:

According remote interior angles, 4k + 5 + 6k + 10 = 115.

10k + 15 = 115

10k = 100

k = 10

Hope this helps :)

Have a nice day!

4 0
2 years ago
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The current student population of the Brentwood Student Center is 2,000. The enrollment at the center increases at a rate of 4%
swat32

Answer:

2249.728 so the answer would be 2250

Step-by-step explanation  

2000(1.04)^3 you can change the 3 out for any number to find the population for any given year.

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3 years ago
A rancher plans to make 4 identical and adjacent rectangular pens against a barn (see figure below), each with an area of 100 m^
Tasya [4]

Answer:

10 by 10 meters

Step-by-step explanation:

In calculus terms, you can use the formula for the perimeter which is 2l + 2w, and the area l × w.

Then since the area is 100

l × w = 100. So w = 100/l

Then substitute this into the perimeter formula.

w = 100/l → 2l + 2(w) = 2l + 2(100/l) = 2l + 200/l.

Then take the derivative d/dx [take the derivative of a quantity with respect to x], by using a simpler method known as the power rule:

d/dx[x^n] = nx^n-1

so p = 2l + 200/l becomes p' = 2 - 200/l^2

Since the derivative of a constant is 0, to solve for l, set p' to 0

0 = 2 - 200/l^2 → -200/l^2 = -2 → 200/l^2 = 2 → 2l^2 = 200 → l^2 = 100 → l = √100, l = 10.

Now that we know the length is 10, We can substitute the length in the original equation to find the width.

l = 10 → w = 100/l → w = 100/10, w = 10.

Therefore the perimeter of each rectangular pen is 40, with a length of 10 and width of 10.

If you want to do this algebraicly, there are more steps involved

7 0
3 years ago
A(n) _____ is a line drawn from one part of a circle's circumference to another without passing through the center.
Artemon [7]

Answer:

chord

Step-by-step explanation:

a chord is a line drawn from one part of a circle's circumference to another without passing through the centre.

If the line passed through the centre then it would be a diameter

7 0
2 years ago
What is -3y = 12+3x?<br>m=<br>y=​
lana66690 [7]

Step-by-step explanation:

-3y=12+3x

-y=4+x

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3 years ago
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