2 years ago

Select all the equations that are true when x = 4

Mathematics

1 answer:

V125BC [204]2 years ago

7 0

Answer:

B and E

Step-by-step explanation:

A. 8x = 2

8(4) = 2

32 = 2

B. 19 + x = 23

19 + 4 = 23

23 = 23

C. 40/x = 5

40/4 = 5

10 = 5

D. -3x = 12

-3(4) = 12

-12 = 12

E. x - x - x - x = -8

4 - 4 - 4 - 4 = -8

0 - 4 - 4 = -8

-4 - 4 = -8

-4 + (-4) = -8

-8 = -8

You might be interested in

Solve for x: |2x + 12| = 18

Mashcka [7]

2x + 12 = 18
18 - 12 = 6
2x = 6
x = 3

7 0

2 years ago

Read 2 more answers

F(x) = 15x +11 - 3

igomit [66]

It’s B.(f-g)(x)=|5x-6|

8 0

2 years ago

Read 2 more answers

You buy a new laptop for $299 99. The sales tax is 6%. Whay is the total cost for the laptop including sales tax?

defon

So to find 6% of 299.99, you should multiply it by 0.06%. Therefore you get about 17.99 which is the total tax. Add 299.99(total) and 17.99(tax) together, and you final answer should be around $317.98

8 0

3 years ago

I need help please.........

kogti [31]

This is what I got I hope it can help you

6 0

3 years ago

Population of Jacksonville was 3810 and 2010 and is growing at an annual rate of 3.5% if the growth rate continues what will the

grin007 [14]

Answer:

FV= 5,958.67 = 5,959

Step-by-step explanation:

Giving the following information:

Current population (Present Value)= 3,810

Growth rate (g)= 3.5% annual

Number of periods (n)= 13 years

<u>To calculate the future number of people (FV), we need to use the following formula:</u>

FV= PV*(1+i)^n

FV= 3,810*(1.035^13)

FV= 5,958.67 = 5,959

4 0

2 years ago