3 years ago

4. Seven times the difference of a number k and five is twenty-onel

Mathematics

1 answer:

laila [671]3 years ago

4 0

Answer:

k = 8

Step-by-step explanation:

7(k - 5) = 21

k - 5 = 3

k = 8

Hope this helps!

You might be interested in

-2(-5 - 2) + (2)/(3)

ikadub [295]

Answer:

14 2/3 or 14.6 repeting

Step-by-step explanation:

6 0

3 years ago

Simplify 15x^2-18/6 A. 15x+3 B. X+3 C. 5x^2-18/2 D. 5x^2-6/2

ziro4ka [17]

Answer:

D. 5x^2-6/2

Step-by-step explanation:

5x^2-18/6 , 18/6 is 6/2

5x^2-6/2 ,

3 0

3 years ago

A motorboat travels 275 kilometers in 5 hours going upstream. It travels 405 kilometers going downstream in the same amount of t

VladimirAG [237]

Step-by-step explanation:

$275 \times 5 = 1375$

The rate of the motorboat on still water is 1375

$405 \times 5 = 2025$

The current rate of the motorboat is 2025

4 0

3 years ago

Sam earned $130 last week. Jay earned $150 last week. They combined their money and decided to donate 1/5 of their total amount

defon

Jay's claim is false. They would have $156.8 left which is 56% of their original combined total.

4 0

3 years ago

Find BAF pls help. and give actual answers pls

vaieri [72.5K]

Answer: Not enough information

Step-by-step explanation:

We need to know the measure of angle AED, but there is no way to find it, so therefore there is not enough information.

5 0

2 years ago