1 year ago

Simplify the expression 4 squaere root of 9

Mathematics

1 answer:

nlexa [21]1 year ago

7 0

Answer:

Step-by-step explanation:

4 / sqrt {9}

4(3)

4 x 3

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alukav5142 [94]

Answer:

The 2 pound bag of gummy bears

Step-by-step explanation:

You do 1.5/4.35 which = 2.9 the 2.9 is $2.90 per pound

Then, you do 5.3/2 which = 2.6 this 2.6 is $2.60 per pound

$2.60 < $2.90 there for the 2 pound bag of gummy bears is the better deal

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3 years ago

What is the value of x in the equation x - y = 30, when y = 15?<br> O4<br> O 8<br> O 80<br> O 200

olganol [36]

$\frac{1}{5}x - \frac{2}{3} y = 30 \\$

Putting the value of Y = 15

$\frac{1}{5} x - \frac{2}{3} \times 15 = 30 \\ \frac{1}{5} x = 30 + 10 \\ \frac{1}{5} x = 40 \\ x = 5 \times 40 \\ x = 200$

So, X = 200

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2 years ago

What is $0.8\%$ of $125\%$ of $8128$? Express your answer as a decimal.

Andre45 [30]

Answer:

Step-by-step explanation:

To solve this kind of problem, we must remember that the word "of" means multiplication in math language, and all percentages numbers can be expressed as a fraction where the denominator is 100. Applying all this, we have

$0.8\%\times 125\%\times 8128\\\frac{0.8}{100}\times \frac{125}{100} \times 8128\\ 0.008(1.25)(8128)=81.28$

Therefore, all those percentages of 8128 results in 81.28

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