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Alborosie
3 years ago
15

Solve the equation. If necessary, round your answer to the nearest tenth. x2 = 98

Mathematics
2 answers:
Yakvenalex [24]3 years ago
6 0
If you meant x * 2 = 98 and solve for x...
Divide each side by 2 and you get, "x = 49"

If you meant x^2 = 98 and solve for x...
Square root each side and you get, "x = 9.899..." but since you asked an answer that needed to be rounded to the nearest tenth, it'd be 9.9.

Dmitriy789 [7]3 years ago
4 0

Answer:

9.8

Step-by-step explanation:

x^2 = 98

x = \sqrt{98}

x = \sqrt{49 * 2}

x = \sqrt{49} * \sqrt{2}

x = 7 * \sqrt{2}

x = 7 * 1.414

x = 9.8

Since 98 is not a perfect square then it will end up as a decimal.

Hope this helps >.<

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Answer:

V = πr2h (Volume of a cylinder is the area of a circle times its height). V = 8167.14. π = 3.14. h = 9.

Step-by-step explanation:

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3 years ago
Hey i need help with a test score!!
Lapatulllka [165]

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How can you indentify the opposite and the absolute value of a rational number?
defon
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5 0
3 years ago
Zucchini weights are approximately normally distributed with mean 0.8 pound and standard deviation 0.25 pound. Which of the foll
Charra [1.4K]

Answer:

0.81859

Step-by-step explanation:

We solve using z score method

The formula for calculating a z-score is is z = (x-μ)/σ,

where

x is the raw score

μ is the population mean

σ is the population standard deviation.

Mean 0.8 pound

Standard deviation 0.25 pound

For x = 0.55 pound

z = 0.55 - 0.8/0.25

= -1

Probability -value from Z-Table:

P(x = 0.55) = 0.15866

For x = 1.3 pounds

Z = 1.3 = 0.8/0.25

= 2

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The probability that a randomly selected zucchini will weigh between 0.55 pound and 1.3 pounds is

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6 0
4 years ago
I NEED HELP PLEASE, THANKS.
saveliy_v [14]

Answer:

B. 33.7 mm; 54mm^2

Step-by-step explanation:

<em><u>To find the perimeter, use the formula:</u></em>

P = a + b + c

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<em><u>To find area, use the formula:</u></em>

A = \frac{1}{2} bh

A = \frac{1}{2} (12)(9)

A = \frac{1}{2} (108)

A = 54

6 0
3 years ago
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