3 years ago

If f(x)= -2 , what is x?

Mathematics

1 answer:

kkurt [141]3 years ago

7 0

NANI?!?! WHERES g(x)

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Express 0.008 in value words

enot [183]

0.008 = eight thousandths

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What is the common denominator of 14 and 8

Akimi4 [234]

It would be 56. The LCM of 14 and 8 is 56.

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A local hamburger shop sold a combined total of 813 hamburgers and cheeseburgers on Saturday. There were 63 more cheeseburger so

Naya [18.7K]

9514 1404 393

Answer:

375 hamburgers

Step-by-step explanation:

Let h represent the number of hamburgers. Then h+63 is the number of cheeseburgers, and the combined total is ...

h +(h +63) = 813

2h = 813 -63 = 750

h = 750/2 = 375

375 hamburgers were sold on Saturday.

_____

<em>Additional comment</em>

In a "sum and difference" problem like this, the smaller number is half the difference between the sum and the difference. h = (813 -63)/2 = 375. This generic solution applies to all "sum and difference" problems.

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2 years ago

Maggie wants to know how many students in her school enjoy watching sports on TV. She asks all 25 students in her math class and

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No, it is not a valid inference because her classmates do not make up a random sample of the students in the school.

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Does anyone know this??

STALIN [3.7K]

Hi there! The answer is C.

Explanation:
We have the following equation:

$\frac{8}{15} = \frac{x}{6}$
To solve this type of equation (with an x in the denominator of a fraction) we must cross-multiply the numerator and the denominator.

$15 \times x = 8 \times 6$
Multiply

$15x = 40$
Divide both sides by 15.

$x = \frac{40}{15} = 2 \frac{2}{3}$
~ Hope this helps you!

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