Please help ‼️‼️ I’m doing functions

Mathematics

1 answer:

eduard2 years ago

8 0

In this problem, you're looking for the value of t, so that f(t) = 48. That means if you put t into 5t-7, you'll get 48. To do this set up and solve an equation for t by setting 48 equal to 5t-7:
$5t-7=48$

Isolate the variable by adding 7 to both sides.
$5t=55$

Divide by 5 on both sides to find t.
$t=11$

The answer is 11.

You might be interested in

What is the solution to the equation x/2-4=6

-Dominant- [34]

<u>Answer</u>

x = 20

<u>Explanation</u>

Multiply the entire equation by 2 to get rid of the fraction.

x/2 * 2 = x

-4 * 2 = -8

6 * 2 = 12

Now, we have:

x - 8 = 12

To complete, add 8 to both sides

x = 20

3 0

2 years ago

Read 2 more answers

OK so I don't want answers, I just want someone to walk me through this and teach me how to do it.

Serggg [28]

Answer:

352cm²

Step-by-step explanation:

The shape is a cuboid and it has 6 faces, and the opposite faces are equal, so I calculate 3 different faces and multiplied it by 2 to give me the total surface area. Therefore, total surface area = the addition of all the surface areas in the shape. And to get each surface area, you have find the area of each of the 6 faces, and add them together, to give you the total surface area.