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defon
3 years ago
13

Solve for x and explain.​

Mathematics
2 answers:
polet [3.4K]3 years ago
8 0

Answer:

x = 9

Step-by-step explanation:

7x + 3 = 10x -24

3 = 10x -7x - 24

24 + 3 = 10x - 7x

27 = 3x

27/3 = 3x/3

9= x

x = 9

vlabodo [156]3 years ago
3 0

Answer:

x=9

Step-by-step explanation:

The angles are vertical angles, which means they are equal

7x+3 = 10x-24

Subtract 7x from each side

7x+3 -7x = 10x-7x-24

3 = 3x-24

Add 24 to each side

3+24 = 3x-24+24

27 = 3x

Divide each side by 3

27/3 = 3x/3

9 = x

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Ryan wanted to know the height of a cell-phone tower neighboring his property he walked 80 feet from the base of the tower and m
spin [16.1K]
Since Ryan is 5 feet tall, we will assume that the height of the cell-phone tower is x + 5.
Since the given is 54 degrees. 
Tan 54degrees = x/80(feet)
x=80(tan54)
x=110
To finalize the answer, we will add up the height of the cell-phone tower to the answer. 
110 + 5 = 115 feet
So the answer to the question is that the height of the cell-phone tower is 115 ft.
3 0
3 years ago
Multiply the binomial and the trinomial. <br> (x-2)(x^2+2x+4)
malfutka [58]

Answer:

Step-by-step explanation:

To solve this problem, we need to multiple x and -2 by x^{2} + 2x + 4 and add the results together:

x(x^{2} + 2x + 4)

x^{3} + 2x^{2} + 4x

-2(x^{2} + 2x + 4)

-2x^{2} - 4x - 8

Adding the two together give the following:

(x^{3} + 2x^{2} + 4x) + (-2x^{2} - 4x - 8)

x^{3} - 8

7 0
3 years ago
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Ivahew [28]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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matrenka [14]

Answer:

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Step-by-step explanation:

Distribute, 9z-738=90

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3 0
3 years ago
Read 2 more answers
25 kids took a math test. If 20 kids passed the test, what percent of kids did not pass the test?
nata0808 [166]

Answer: 20%

Step-by-step explanation:

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4 0
3 years ago
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