Question

The interest that Julia earns on her investment is given by the equation I = 48t where t is the time in years that her money is invested. She makes a table to determine how much money she would earn for different values of t. She selects 5 as a value for t.

What is the corresponding table entry for I?

A.
240

B.
53

C.
485

D.
9.6

Answer 1

@Loser66

Answer 2

So here is how you do it. It gives you a value for t so you plug 5 into t. Then you are left with l=48(5) then all you have to do is multiply 48 by 5 to get 240, which is A

Answer 3

So 240 thank you are you 100% sure though

Answer 4

sure

Answer 5

100% sure

Answer 6

Could i get help on a few more?

Answer 7

ok

Answer 8

Calib received $50 for his birthday and put it in his piggy bank. Each week, he puts 2 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 2w + 50
where w is the number of weeks he has saved 2 dollars. His sister Lara makes a table of reasonable values for w. Lara selects 14 as a value for w.

What is the corresponding table entry for D?

A.
57

B.
264

C.
66

D.
78

Answer 9

It's 78, which is D

Answer 10

You do the same thing as the other one, just plug in 14 for w and solve the equation

Answer 11

Ok thank you can help on 3 more?

Answer 12

sure

Answer 13

The altitude of a plane as it begins to descend is shown by the linear equation
a = 30,000 – 1500m, where a is the plane’s altitude, in feet, and m is minutes.

What is the plane’s altitude when m = 12?

Answer 14

The altitude of a plane as it begins to descend is shown by the linear equation
a = 30,000 – 1500m, where a is the plane’s altitude, in feet, and m is minutes.

What is the plane’s altitude when m = 12?

Answer 15

I can't read all of it, it has question marks all in it

Answer 16

Here lemme close this and open a new one so you can get more medals

Answer 17

It'll fix the ? marks to

Answer 18

thanks

Answer 19

No prob