3 years ago

Solve 3/5x = 15

Mathematics

1 answer:

Pavel [41]3 years ago

4 0

Answer:

Step-by-step explanation:

Do 5 X times 15 = 75 x

Do 75x / 3 = 25

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The function h(x) = 2.5x + 20 represents your height in inches, h(x), for x years you have been alive. How many inches tall will

sveticcg [70]

Answer:

Step-by-step explanation:

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3 years ago

Help I don't understand this math. Whoever gets the right answer gets Brainlist! :)

Jlenok [28]

Answer:

1200 more beats in 3 seconds or

400 more beats in 1 second

Step-by-step explanation:

A Mosquito beats its wings at a rate of 600 times per second.

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600 - 200 = 400

The mosquito beats 400 more times per second

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2 years ago

Danika signs up to work for 3 1/2 hours at the science fair. If each work shift is 3/4 hour, how many shifts will Danika work?

forsale [732]

namely, how many times does 3/4 go into 3½? Let's firstly convert the mixed fraction to improper fraction.

$\bf \stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{7}{2}\div \cfrac{3}{4}\implies \cfrac{7}{~~\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\cdot \cfrac{\stackrel{2}{~~\begin{matrix} 4 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}{3}\implies \cfrac{14}{3}\implies 4\frac{2}{3}$