1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
LuckyWell [14K]
2 years ago
7

9. If f(x) = 5x-4 and f(2a) =156 , then what is the value of a?

Mathematics
1 answer:
solmaris [256]2 years ago
7 0

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

f(x) = 5x - 4

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

f(2a) = 5(2a) - 4

f(2a) = 10a - 4

156 = 10a - 4

10a - 4 = 156

Add sides 4

10a - 4 + 4 = 156 + 4

10a = 160

Divide sides by 10

\frac{10a}{10}  =  \frac{160}{10}  \\

a = 16

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

You might be interested in
Find the slope and the y-intercept of the line with the given equation.
sladkih [1.3K]

Answer:

The slope is -4/5

The y intercept is (0,7)

Step-by-step explanation:

f(x) = 7 -4/5x

Rewriting

y = -4/5x +7

This is in slope intercept form

y = mx+b where m is the slope and x is the y intercept

The slope is -4/5

The y intercept is (0,7)

8 0
3 years ago
−7 − 3a = 17, then \frac{3}{4}a = ____?
Ilia_Sergeevich [38]

Answer:

-9/2

Step-by-step explanation:

-7-3a=17

-1-17=3a

-18=3a

a=-18/3

a=-6

The value of fac{3}{4} a = (3/4)(-6)

                                      = -18/4

                                      = -9/2

3 0
2 years ago
a dog food company sells its canned dog food to stores for $0.35 per can. one of the stores sells the can of dog food for $0.79.
iris [78.8K]
To answer your question its 27.65
6 0
3 years ago
Which statements are true according to the order of operations? Choose exactly two answers that are correct.
LiRa [457]
<span>b. 4+12÷2=4+6=10
c. (20–5)•3=15•3=45</span>
6 0
3 years ago
dev knows he only has 8gallons of gasoline in the tank. he wants to go on a 300- mile trip. will he have to buy more gasoline? a
max2010maxim [7]
Yes you will need more gassoline
6 0
3 years ago
Read 2 more answers
Other questions:
  • What is one sixth of 24
    9·2 answers
  • Consider the multiple regression model with two regressors x1 and x2​, where both variables are determinants of the dependent va
    14·1 answer
  • If an amount of $100 in a savings account increases by 10% then increases by 10% again is that the same as increasing by 20
    11·1 answer
  • Polygon ABCD is the result of a translation of polygon EFGH . AB¯¯¯¯¯ is parallel to DC¯¯¯¯¯ in the pre-image. Drag the answers
    14·2 answers
  • You move down 2 units and up 7 units. You end at (-1,4). Where did you start?
    14·2 answers
  • Parks spent 1/3 of his money on a sweater. He spent 3/5 of the remainder on a pair of jeans. If he has 36 left, how much did the
    13·1 answer
  • the number of songs that can fit on a hard drive depends on its storage space. plot the ordered pairs from the table. is the num
    7·2 answers
  • I'd really appreciate it if anyone could help! :) I'll give Brainliest!
    5·1 answer
  • Find each angle or arc measure
    6·1 answer
  • What is the prime factorization of 603
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!