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Lapatulllka [165]
3 years ago
8

What value of x gives y= -2 ?

Mathematics
1 answer:
IrinaVladis [17]3 years ago
8 0
The value of x = 0 which is none
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2x + y + z = 9<br> -x-y +z = 1<br> 3x - y +z=9
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3 years ago
A unicorn daycare center requires there to be 2 supervisors for every 18 unicorns.
kykrilka [37]

Answer: The number of supervisors are 9 times the number of unicorns.

Step-by-step explanation:

Let the number of supervisors be 'n'.

Let the number of unicorns be 'u'.

According to question, a unicorn daycare center requires there to be 2 supervisors for every 18 unicorns.

So, Mathematically, it is expressed as

\dfrac{n}{u}=\dfrac{2}{18}\\\\\dfrac{n}{u}=\dfrac{1}{9}\\\\9n=u

so, we established the relationship between the number of supervisors and number of unicorns.

Hence, the number of unicorns are 9 times the number of supervisors.

5 0
3 years ago
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Answer:

-3x^2 + 15x

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(3 - x) (x - 5)

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=> -3x^2 + 15x

3 0
3 years ago
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valentina_108 [34]

Answer: 10.2

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Answer:

y = -6

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