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padilas [110]
3 years ago
13

What is 7x-2=

alt="7x - 2 = 11x - 34" align="absmiddle" class="latex-formula">
11x-34
Mathematics
1 answer:
Rufina [12.5K]3 years ago
3 0
7x-2=11x-34\ \ \ |+2\\\\7x=11x-32\ \ \ |-11x\\\\-4x=-32\ \ \ \ |:(-4)\\\\x=8
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Solve the following equation for x: <br> 2(4x - 1) = 8x - 2
gulaghasi [49]
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4 0
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Express 42 base 7 in base 10​
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Answer:

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Can anyone solve this
Minchanka [31]
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8 0
3 years ago
An octagonal swimming pool has a base area of 22 square feet The pool is 3 feet deep How many cubic feet of water can the pool h
LenKa [72]

The pool can hold 65.84 ft³ of water

<u>Explanation:</u>

Given:

Shape of pool = octagonal

Base area of the pool = 22 ft²

Depth of the pool = 3 feet

Volume, V = ?

We know:

Area of octagon = 2 ( 1 + √2) a²

22 ft² = 2 ( 1 + √2 ) a²

\frac{11}{1+\sqrt{2} } = a^2

a² = \frac{11}{2.42}

a² = 4.55

a = 2.132 ft

Side length of the octagon is 2.132 ft

We know:

Volume of octagon = 2(1+\sqrt{2} ) X (a)^2 X h

V = 2(1+\sqrt{2})X (2.132)^2 X 3\\ \\V = 2 ( 2.414) X 4.5454 X 3\\\\V = 65.84 ft^3

Therefore, the pool can hold 65.84 ft³ of water

8 0
3 years ago
What's the correct answer and why?
alexandr402 [8]
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y^2 becomes (3y)^2=3^2y²
the new z=3² the old z, so b is correct.
4 0
3 years ago
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