2 years ago

The 6% state income tax on a $42.00 salary

Mathematics

1 answer:

prisoha [69]2 years ago

5 0

Answer:

75 cents

Step-by-step explanation:

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A rectangle's length is twice its width. if the perimeter is 132 cm, find the width of the rectangle.

Over [174]

Perimeter=(2*length)+(2*width)
length=2*w
132=(2(2w))+(2w)
132=(4w)+(2w)
132=6w
w=22
l=44

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Nina ran 2.5 miles in 20 minutes at the same pace how long would it take her to run 6 miles

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Step-by-step explanation:

first divide 6 miles by 2.5 miles, that will be 2.4 miles, then multiply by 20

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140 fluid ounces increased by 45%

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$100\%\ increased\ by\ 45\%=100\%+45\%=145\%\\\\method\ \#1\\\\p\%=\frac{p}{100}\to145\%=\frac{145}{100}=\frac{145:5}{100:5}=\frac{29}{20}\\\\145\%\ of\ 140=\frac{29}{20}\cdot140=29\cdot7=\boxed{203\ (ounces)}\leftarrow answer$

$method\ \#2\\\\\begin{array}{ccc}140&-&100\%\\x&-&145\%\end{array}\ \ \ cross\ multiply\\\\\\100\cdot x=140\cdot145\ \ \ \ |divide\ both\ sides\ by\ 100\\\\x=\frac{140\cdot145}{100}\\\\\boxed{x=203\ (ounces)}$

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3 years ago

Solve the equation below<br> Explain your steps<br> .<br> Show your math work<br> 2(3x + 4) = 4x + 2

lisabon 2012 [21]

Answer:

x = -3

Step-by-step explanation: