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1 year ago

14

I need the steps too

1 answer:

Musya8 [376]1 year ago

6 0

Answer:

x =10

Step-by-step explanation:

7(3x-1)-(x+5)

21x-7-x+5

20x-2=-52

x=20÷2

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Whats 2 plus 2? Whats 10 plus 10? And whats 8 plus 8?

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$\bold{THE \: ADDITION}$

or addition is the mathematical operation of composition that consists of combining or adding two or more numbers to obtain a final or total quantity. The addition also illustrates the process of joining two collections of objects in order to obtain a single collection

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Whats 2 plus 2?
$\boxed{2+2=4}$
Whats 10 plus 10?
$\boxed{10+10=20}$
And whats 8 plus 8?
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2 years ago

Read 2 more answers

In isosceles △ABC the segment BD (with D∈ AC ) is the median to the base AC . Find BD, if the perimeter of △ABC is 50m, and the

Morgarella [4.7K]

Let the equal sides of the isosceles Δ ABC be x.

Given that the perimeter of Δ ABC = 50m.

Therefore, 2x + AC = 50 --- (1)

It is also given that the perimeter of Δ ABD = 40m.

Therefore, x + BD + AD = 40

BD is the median of the Δ ABC. Therefore, D is the midpoint of AC.

So AD = CD.

Or, AD = $\frac{1}{2}$ AC

Therefore, $x + BD + \frac{1}{2} AC = 40$

Multiply both sides by 2.

2x + 2BD + AC = 80

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Therefore, 2BD + 50 = 80

2BD = 80 - 50

2BD = 30

BD = 15m.

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2 years ago

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You are holding a kite string in your hand. The angle of elevation from your hand to the kite is 53∘and the distance to the kite

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Answer:

43 degrees F.

Step-by-step explanation:

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Real Answer:

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2 years ago

A sphere with a radical of 8.5cm

jek_recluse [69]

Take the common denominator and divide by 3

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2 years ago