3 years ago

Find the value of x round to the nearest tenth

1 answer:

8 0

(1/2) of 22 = 11.

x^2 = (11)^2 + (6)^2

x^2 = 121 + 36

x^2 = 157

sqrt{x^2} = sqrt{157}

x = 12.5299640861

x = 12.5

Done!

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Answer:

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Therefore, option C is correct.

Step-by-step explanation:

The population of California is approximately 38,040,000.

The population of Texas is about 2.606 × 10⁷.

Writing the population of California i.e.38,040,000 in scientific notation by moving the decimal point 7 places to the left and dropping the 0's on the right side as they're after the decimal point now.

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$3.804\times \:10^7+2.606\times \:10^7$

$\mathrm{Add\:similar\:elements:}\:10^7\times \:3.804+10^7\times \:2.606=10^7\times \:6.41$

Thus, the total population of these two states is:

$3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41$

Therefore, option C is correct.

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