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Alexxx [7]
1 year ago
12

Solve for x and show your steps. Is the solution extraneous? Check your work to show how you determined if the solution is extra

neous or not.
The square root of the quantity 2 x minus 7 end quantity equals 1.
Mathematics
2 answers:
natima [27]1 year ago
7 0

Answer:

x = 32

Step-by-step explanation:

Add 7 to both sides

\sqrt{2x} -7+7=1+7

Simplify

-7 + 7 = 0 and 1 + 7 = 8 because of this now \sqrt{2x} =8

Square both sides

2x = 64

Slove 2x = 64

64 ÷ 2 = 32 = x

balu736 [363]1 year ago
7 0

Answer:

x=32

Step-by-step explanation:

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Veseljchak [2.6K]

Answer:

the answer should be as follows:

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Solve for x. <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B2%7D%20%20%3D%20%20-%207" id="TexFormula1" title=" \frac{
weeeeeb [17]

Answer:

x = -14

Step-by-step explanation:

\frac{x}{2} = -7

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the 2's cancel out on the fraction side, leaving x = -7(2)

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3 years ago
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3/9+2/9=?/9<br> Help a brother out
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Answer:

5/9

Step-by-step explanation:

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Assoli18 [71]

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Step-by-step explanation:

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2 years ago
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Determine the 1-unit growth factor for f f. [We encourage you to write the expression that represents the value of the growth fa
timofeeve [1]

Answer: The complete question is found in the attachment

Step-by-step explanation:

a) To determine the 1-unit growth factor for <em>f</em>

= 2.1/1.75 = 1.2

b) To determine the 1-unit percent change for <em>f</em>

<em>=100 x 1-1.2/1 = 0.2 x 100= 20%</em>

<em>c) to determine the initial value of f</em>

<em>f(x)= abˣ , b =1.2   a=initial value</em>

<em>at (-1,2.1)</em>

<em>2.1= (1.2)⁻¹ x a</em>

<em>a = 2.1/(1.2)⁻¹ </em>

<em>a = 2.1 x 1.2 = 2.52</em>

<em />

<em>d) to determine the function formula for f</em>

<em>f(x)= abˣ = 2.52(1.2)ˣ</em>

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3 years ago
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