3 years ago

Given that f(x) = 2x − 5, find the value of x that makes f(x) = 15.

Mathematics

1 answer:

nexus9112 [7]3 years ago

8 0

2x-5=15
2x=20
x=10
the answer is B

You might be interested in

52 is 30% of what number

DedPeter [7]

52=100%
x=30%
52/x=100%/30%
which equals to 15.6

Answer 15.6

5 0

3 years ago

Determine whether each statement is sometimes, always, or never tru. Give an example or a counterexample.A ratio is a rate

Natali [406]

Answer:

3:2

Step-by-step explanation:

Yes a ratio is a rate

8 0

3 years ago

What is an algebraic expression for 58 less than a number n?

Korvikt [17]

Answer:

n-58

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

3. Evaluate a + b for a = -46 and b= 34.<br> A:-12<br> B:80<br> C:-80<br> D:12

blsea [12.9K]

Answer:

Step-by-step explanation:

Put the values of a = -46 and b = 34 to the expression a + b:

-46 + 34 <em>use the commutative property a + b = b + a</em>

= 34 + (-46) = 34 - 46 = -12

4 0

3 years ago

Given the polynomial function below, find F(-1).

mrs_skeptik [129]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

$f(x) = - {x}^{3} - {x}^{2} + 1$

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

$f( - 1) = - ({ - 1})^{3} - ({ - 1})^{2} + 1 \\$

$f( - 1) = - ( - 1) - (1) + 1$

$f( - 1) = 1 - 1 + 1$

$f( - 1) = 2 - 1$

$f( - 1) = 1$

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

The correct answer is (( D )) .

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

3 0

3 years ago