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atroni [7]
3 years ago
5

I need help on 12 and 14 plzz and thank you

Mathematics
1 answer:
Bumek [7]3 years ago
6 0
1)
3x^-1y^2x^3y^-1
when base are same powers add
3x^(-1+3)y^(-1+2)
3x^2y

2)
(-3) -(2)(-4)/(-2)-(-1)
(-3)+8/-2+1
-3+8/-1
5/-1
-5
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2) The ratio of girls to boy is the math club was 3:5. If they were 120 children altogeth
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Answer:

45 girls

Step-by-step explanation:

The ratio of girls to boys is 3:5

There are 120 children altogether

The number of girls is;

\frac{3}{8} × 120 = 45 girls

3 0
4 years ago
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drek231 [11]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ You can move the decimal point one place. 1 meter = 0.001 km so we can move the decimal point one place.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

6 0
4 years ago
Read 2 more answers
Is -0.28764 rational or irrational and how do you figure that out?
kvv77 [185]
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8 0
3 years ago
You are a supervisor for a home cleaning business,
irinina [24]

Answer:

option a

Step-by-step explanation:

i think this because my teacher in my business class stated this before to the whole class but I was distracted so it can totally be wrong if it is my bad

8 0
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If 6 workers can cut the grass in 4 hours, how many workers will be needed to cut the grass in 3 hours?
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