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GarryVolchara [31]
4 years ago
8

If g^2+1/g^2=51, find the positive value of g-1/g

Mathematics
1 answer:
Sedaia [141]4 years ago
3 0

Answer:

7

Step-by-step explanation:

Note that

(g - \frac{1}{g} )² = g² - 2 + \frac{1}{g^2} = 51 - 2 = 49

Take the square root of both sides

g - \frac{1}{g} = \sqrt{49} = 7 ← the positive value

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In a cube, the length and width are the same, so both sides will be 7 cm, yielding an area of 49 square centimeters. The surface area of a 7 cm cube will be 294 cm2 . Hope this helps!

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What is the slope of the linear function
ivann1987 [24]

Answer: 3/4 because the line runs through the points (0,-2) and (4,1).

rise/run

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Find the area of this figure. Please show work if you can!
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Here is the answer if you can't read my writing than just ask. also if you have any questions about how I got something feel free to ask

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3 years ago
I need an answer quick. I am trying to finish this fast.
inessss [21]

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D, m<4 is 137°

Step-by-step explanation:

The answer would be D, because m<4 would be supplementary with the angle that's 43 degrees. Supplementary angles add up to 180, so this could be found through the following equation.

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3 years ago
Read 2 more answers
Solve for x. Evaluate and round your answer to 1 decimal place(tenths place). 10x=1200
Mandarinka [93]

Answer:

<h2>x = 3.1</h2>

Step-by-step explanation:

<h3>{10}^{x}  = 1200</h3>

<u>To solve first take logarithm to both sides</u>

That's

<h3>log_{10}(10) ^{x}  =  log_{10}(1200)</h3><h3 /><h3>log_{10}(10)^{x}  = x log_{10}(10)</h3>

But

<h3>log_{10}(10)  = 1</h3>

So we have

x =  log_{10}(1200)

<u>Write 1200 as a number with the factor 100</u>

That's

1200 = 100 × 12

So we have

<h3>x =  log_{10}(100 \times 12)</h3>

<u>Using the rules of logarithms</u>

That's

<h3>log_{a}(x \times y)  =  log_{a}(x)  +  log_{a}(y)</h3>

Rewrite the expression

That's

<h3>x =  log_{10}(100)  +  log_{10}(12)</h3><h3 /><h3>x =  log_{10}(10)^{2}  +  log_{10}(12)</h3><h3>x = 2 log_{10}(10)  +  log_{10}(12)</h3><h3>log_{10}(10)  = 1</h3><h3 /><h3>x = 2 +  log_{10}(12)</h3>

x = 3.079

So we have the final answer as

<h3>x = 3.1 to one decimal place</h3>

Hope this helps you

8 0
4 years ago
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