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grin007 [14]
3 years ago
5

Hello pls help me with two of these questions;)

Mathematics
1 answer:
Yuliya22 [10]3 years ago
3 0

Answer:

1-A-15

2-C

Step-by-step explanation:

7-21 is an increase by 3 times, so 5*3=15

The second is kinda blurry, so it's a little hard to explain.

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What is bigger 9/10 or 7/8
Nataliya [291]
You start by cross multiplying:
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This is considered the fraction on the left's value.
You do the same for the other side:
10 x 7 = 70
This is considered the value of the fraction 7/8
72 has a greater value than 70.

Therefore, 9/10 is larger.
4 0
3 years ago
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Nonamiya [84]
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7 0
3 years ago
Please help me!! this is a quiz and i have 10 minutes!!
Nookie1986 [14]

Answer:

When y = 1/2, the answer would be 0. When y = -4, the answer would be 9. When y = 0, the answer would be 1.

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2 years ago
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Let f and g be functions given by f(x)=x^3 and g(x)=x^2 lxl
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I post an image instead.
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