3 years ago

9 through 13 i need help ASAP

Mathematics

1 answer:

Zarrin [17]3 years ago

8 0

I hope this helps you

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What is the value for x,the length of side bc?7 to

kifflom [539]

Answer:

x = 17.5

Step-by-step explanation:

$\triangle ABC \sim \triangle DEF... (given)$

$\therefore \frac{AB}{DE} = \frac{BC}{EF}$

$\therefore \frac{10}{4} = \frac{x}{7}$

$\therefore 2.5 = \frac{x}{7}$

$\therefore 2.5\times 7= x$

$\therefore 17.5= x$

$\therefore x = 17.5$

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3 years ago

If f(x)=5x what is f square -1 (x)?

Gnom [1K]

Answer:

$\frac{x}{5}$

Step-by-step explanation:

$f {}^{ - 1} (x)$

means inverse.

Find the inverse of the function.

$f(x) = 5x$

Replace y with and vice versa.

$x = {5y}$

Solve for y

$\frac{x}{5} = y$

The inverse function is

$\frac{x}{5}$

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3 years ago

Last winter, Tom earned $47.50 shoveling snow and $122 giving ice-skating lessons. During the summer, he earned twice as much by

siniylev [52]

You would have to add 47.50 + 122 to get 169.5 dollars. to get the amount of money he made in the summer, you would have to multiply 169.5 by 2 which would equal 339 dollars. so he made 339 dollars over the summer :)

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3 years ago

V =u +at u = 2 a=-5 t=0.5

charle [14.2K]

Answer:

V = -0.5

Step-by-step explanation:

V is equal to:

2 + (-5 * 0.5)

2 + -2.5

-0.5

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3 years ago

A baby is born having a mass of 3,000 grams and gains 200 grams in the following week. How much does the baby weigh one week aft

nignag [31]

Answer:

7 pounds 0.8767 ounces

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4 years ago

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