3 years ago

Will mark brainliest, 60 points

Mathematics

1 answer:

il63 [147K]3 years ago

8 0

Answer:

21 C

22 B

23 169

Step-by-step explanation:

21 3m mean 3 times a certain number

22 the negative make the 4 go negative and the -5 positive

23 i did 5^2-4^2= 9

then 6^2 divided by 9+9= 13 i took the 9 from the 5^2 problem then divided it by 6^2

then 13 x 13 = 169

You might be interested in

How do you solve 2.5x + 10 = 50?

Vsevolod [243]

Answer:

I think the answered is x = 16 hope I right

6 0

3 years ago

Read 2 more answers

(8 x 3) - ( 8 x 1) = x ( 3 - 1

garri49 [273]

Answer:

x=16

Step-by-step explanation:

8 0

3 years ago

10 POINTS (PLEASE PLEASE I BEG YOU HELP ME)

yulyashka [42]

Answer:

give me points an d i will give u points

Step-by-step explanation: yufikdx

8 0

3 years ago

Read 2 more answers

A² + 6 from 7<br> plzz answer i gave u half of my points plz

omeli [17]

Answer:

a = 1

Step-by-step explanation:

First, you subtract 6 from both sides and you end up with a² = 1. Since one cannot be squared or square rooted, a = 1. I hope this helps!

7 0

3 years ago

Your friend just recovered from a painful bacterial ear infection. Her first day back at school, she says, "Scientists should ju

Goryan [66]

Answer:

Earth dies

Step-by-step explanation:

If there were no bacteria on earth everything that lives and breaths will cease to exist, No water, no trees, no birds, no air, no humans. everything will be gone the earth would just be lifeless

6 0

2 years ago