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Margarita [4]
3 years ago
8

-4(x-2)+5x=0

Mathematics
1 answer:
dem82 [27]3 years ago
8 0

Answer:

x + 8

Step-by-step explanation:

-4(x - 2) + 5x = 0

-4x + 8 + 5x = 0

<em><u>x + 8 = 0</u></em>

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Mary-Ann has $28, which is 2 1/3 as much money as Lona has. How much money dose Lona have?
pav-90 [236]

Answer:

12 dollars

Step-by-step explanation:

<h3>Lona should have 12 dollars because it says that it is <em>2 1/3</em> as much as Mary-Anns amount. You would divide 28➗2 1/3=12</h3><h3 /><h3>hope this helps</h3>
6 0
3 years ago
suppose the function g determines the perimeter of the rectangle (in inches) given a number of seconds, t , since the rectangle
jasenka [17]

the perimeter of a rectangle is equal to 2L + 2W.

the perimeter of the rectangle is represented by P.

P = 2L + 2W

when W is fixed at 8, the perimeter of the rectangle becomes P = 2L + 16

A)Write a formula that expresses the length of the rectangle in inches, l, in terms of the number of seconds t since the rectangle began growing.

time in seconds is represented by T.

the length of the rectangle increases by 2.4 inches every second.

L = 2.4 * T

B)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the length of the rectangle in inches, l.

P = 2L + 16

C)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the number of seconds t since the rectangle began growing.

P = 2 * 2.4 * T + 16 which becomes P = 4.8 * T + 16

D)Suppose the function g determines the perimeter of the rectangle in inches given a number of seconds t since the rectangle started growing. Write a function formula for g.

g(T) = 4.8 * T + 16

when T = 0, the perimeter of the rectangle is equal to 0 + 16 = 16.

when T = 1, the perimeter of the rectangle is equal to 4.8 + 16 = 20.8.

when T = 2, the perimeter of the rectangle is equal to 9.6 + 16 = 25.6.

etc...

keep in mind that the formula for the perimeter of the rectangleis P = 2 * L + 2 * W.

W is always 8, so the formula becomes P = 2 * L + 16.

L is equal to 2.4 * T, so the formula becomes P = 2 * 2.4 * T + 16.

after simplification, the formula becomes P = 2.8 * T + 16.

the complete question is

A rectangle has a fixed width of 8 inches and a length of 0 inches. The length of the rectangle then begins increasing at 2.4 inches per second.

A)Write a formula that expresses the length of the rectangle in inches, l, in terms of the number of seconds t since the rectangle began growing.

B)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the length of the rectangle in inches, l.

C)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the number of seconds t since the rectangle began growing.

D)Suppose the function g determines the perimeter of the rectangle in inches given a number of seconds t since the rectangle started growing. Write a function formula for g.

learn more of perimeter here brainly.com/question/14128446

#SPJ4

7 0
1 year ago
O 91.7 miles<br> O 55.5 miles<br> O 41.7 miles<br> O 63.8 miles
Art [367]

Answer:

* 55.5 miles

Step-by-step explanation:

17² + b² = 23²

289 + b² = 529

b² = 240

b = 15.491 ≈ 15.5

17 + 23 + 15.5 = 55.5

You can also simply notice B is the only answer with a .5 decimal and thus don't have to add.

4 0
3 years ago
Brayden is simplifying the expression 4n – (n – 3)2. He begins by distributing the negative to the terms inside the parentheses.
RoseWind [281]
The right approach would be:
4n - (2n - 6)
4n - 2n + 6
2n+6

The options confused me. So pick the answer based on the solution.
7 0
3 years ago
Read 2 more answers
Can you find the slope-intercept equation between each pair of coordinate points and type the correct code? Please remember to t
Annette [7]

Answer:

Step-by-step explanation:

4 0
3 years ago
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