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Gnoma [55]
3 years ago
11

2x+y=70 2y+z=110 x+y+z=?

Mathematics
1 answer:
Alexeev081 [22]3 years ago
7 0
No solution
Because 3 unknown needs 3 equation at least
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Whoever answers this correctly gets brainlist!
Gnoma [55]

Answer:

5.  3/10

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7.   7/8

8.   4/3

Step-by-step explanation: Hope this helps!

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If the ratio of boys to girls is 3 : 11 and there are 66 girls in the play, how many students are boys?
iragen [17]

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8 0
3 years ago
Which solid figure has one polygon base?
maks197457 [2]
Q1: The answer is A. pyramid.
A pyramid has one polygon base. A prism has two polygon bases. A cone has one circular base. A cylinder has two circular bases.

Q6: The answer is false.
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A = 2(wl + hl + hw)
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Q7. The answer is A. 6 feet
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V = w * l * h
w = ?
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Q8: The answer is 216 ft³
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V = a³
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V = 6³ = 216
8 0
3 years ago
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