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Yuri [45]
3 years ago
15

Use complete sentences to explain how to easily find the expansion of (x + 2)^39.

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
8 0
You would take (x+2)'39 and raise to the 39 then × 39 to x+2 and then you would get your answer
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A line is parallel to y= 1/2x +6 and passes through (–8, 0). What is the equation of the line?
Harlamova29_29 [7]

Answer:

y = 1/2x + 4

Step-by-step explanation:

y = 1/2x + b

0 = -4 + b

b = 4

y = 1/2x + 4

7 0
3 years ago
Read 2 more answers
The Henderson family and the Tran family each used their sprinklers last summer. The Henderson family's sprinkler was used for 1
Ket [755]
You have to create a system of equations in order to solve this, one based on total output and one based on output of each family's sprinkler.  The first equation is based on the total output according to how many hours each sprinkler ran.  Let's use H for the Henderson's and T for the Tran's. The equation for the total output is:
15H + 40T = 1800
That means that the Henderson's ran their sprinkler for 15 hours using H amount of water, and the Tran's ran their sprinkler for 40 hours using T amount of water, and that the total amount between the 2 families was 1800.
The next equation is based on each individual family's use of water per hour.
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That means that the Henderson's and the Trans together used 70 L per hour.
Solve the second equation for either variable (I picked H):
H = 70 - T
Now sub that value in for H in the second equation:
15(70 - T) + 40T = 1800
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7 0
3 years ago
Which unit would you use to measure the amount of water in a swimming pool?
Tju [1.3M]
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3 years ago
an architect designs a rectangular flower garden such that the width is exactly two thirds of the length. if 230 feet of antique
Oliga [24]

Answer:

<h2>length = 69 ft.</h2><h2> width = 46 ft.</h2>

Step-by-step explanation:

perimeter (p) = 2L + 2W

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W = 2/3L

plugin values into the formula:

230 = 2L + 2(2L/3)

230 = 2L + 4/3L

230 = 10/3L

L = 690/10

L = 69

W = 2/3L

W = (2/3) 69

W = 46

P = 2(69) + 2(46)

P = 230 ft.

therefore,

the dimensions of the rectangular garden:

length = 69 ft

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3 years ago
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