3 years ago

Three-fifths of a number increased by ten

Mathematics

1 answer:

Sav [38]3 years ago

4 0

Answer: $\frac{3}{5} x+10$

Step-by-step explanation:

three-fifths of a number means multiply three-fifths by a variable $\frac{3}{5} x$

increased by 10 means addition +10

together it is $\frac{3}{5}x +10$

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A marathon runner is able to run 15 miles in 3 hours. write an equation that relates the number of miles, y, to the number of ho

timama [110]

Answer:

5y = x

Step-by-step explanation:

15 miles = 3 hours

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3 years ago

If y varies inversely as x and y is 2.5 when x is 6, what is y when x is 4? a. 3.75 b. 1.67 c. 0.1 d. 7.5 Please select the best

REY [17]

Because y varies inversely as x, therefore
$y= \frac{k}{x}$
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The equation is
$y = \frac{15}{x}$

When x = 4, obtain
$y = \frac{15}{4}= 3.75$

Answer: a. 3.75

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