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3 years ago

What does the following expression mean? F (-3)=8

1 answer:

5 0

This means that x is equal to -3 and y is equal to 8. For example, if you had f(x)=-3x-1 and plugged -3 into x, you would get the y-value of 8.

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18 is 75 percent of what number

dimulka [17.4K]

18 is 75% of x.

$75\%= \frac{75}{100}=\frac{3 \times 25}{4 \times 25}=\frac{3}{4} \\ \\
\frac{3}{4}x=18 \\
x=18 \times \frac{4}{3} \\
x=6 \times 4\\
x=24
$

18 is 75% of 24.

8 0

3 years ago

I NEED HELP PLEASE WITH PART 2, THANKS!

EleoNora [17]

Steps to solve:

-6w - 8 + 15w = 2w - 8 + 7w

~Combine like terms

9w - 8 = 9w - 8

~Add 8 to both sides

9w = 9w

~Divide 9 to both sides

0 = 0

All real numbers are solutions.

Set builder notation: {x | R}

Best of Luck!

8 0

3 years ago

ALGEBRA 1 HELP URGENT!!!

Elan Coil [88]

The answer is B

Let me know if you need an explanation

3 0

3 years ago

Read 2 more answers

What is the answer

Alenkinab [10]

Answer:

Step-by-step explanation:

So you need 2 scoops for half a gallon

this means you need 4 scoops for one gallon

for a gallon and a half you will need 6 scoops

there for for 2 gallons you will need 8 scoops

She is correct

.5 | 2

1 | 4

1.5 | 6

2 | 8

6 0

3 years ago

Find the (a) GCF and (b) LCM of 16 and 20.

fomenos

Answer:

a) 4

b) 80

Step-by-step explanation:

N/A

5 0

3 years ago