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Alexandra [31]
3 years ago
9

Help forgot how to do theses

Mathematics
1 answer:
zlopas [31]3 years ago
7 0
1.) 64x^9 y^9
2.) 11y^5 z^15
3.) 1/8x^3 y^7
4.) 8x^6
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HELP<br> If you don’t know it then please don’t answer.
vovangra [49]

the answer is 4.8. Your welcome

3 0
3 years ago
If 430 pounds of pebbles cover 1500 square feet, how many pounds of pebbles are necessary to cover 75,000 square feet?
drek231 [11]
6500 pounds are necessary to cover 75000 square feet
5 0
3 years ago
The ratio of girls to boys at a movie is 5 : 4. If there are 12 boys​, how many girls are at the​ movie?
dalvyx [7]

Answer:

12/5 is 2.4 so

9 girls I think.

Step-by-step explanation:

8 0
2 years ago
Two numbers are in the ratio 2:3 and their sum id 45 then find both number​
Goryan [66]

Answer:

Step-by-step explanation:

Let the two numbers be 2x and 3x.

According to the question,

2x+3x=45

5x=45

x=45/5

x=9

so th required numbers are 18 and 27 as

2x=2*9=18

3x=3*9=27

8 0
2 years ago
Read 2 more answers
What is the volume of this shape?
jenyasd209 [6]
Answer:
600 ft cubed
Step-by-step explanation:
Triangle volume formula V = 1/2(l*w*h)
1/2(4*12*9) = 216 ft cubed

Formula for rectangular prism V = (l*w*h)
(4*16*6) = 384 ft cubed

Adding the values: 600 ft
6 0
2 years ago
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