3 years ago

Is number 5 a function or not a function and why?

Mathematics

1 answer:

g100num [7]3 years ago

8 0

In the table, y is not a function of x .
Changes in x cause no change in y .

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URGENT WILL MARK BRAINLIEST Show your work and solve for x and y. 3x + y = 8 2x + 4y = 12

mars1129 [50]

3x+y=8--(1)

2x+4y=12

x+2y=6--(2)

(1)×1 and (2)×3

$\\ \rm\Rrightarrow 3x+y=8$

$\\ \rm\Rrightarrow 3x+6y=18$

Subtract both

$\\ \rm\Rrightarrow -5y=-10$

$\\ \rm\Rrightarrow y=\dfrac{-10}{-5}$

$\\ \rm\Rrightarrow y=2$

Put the value in eq(2)

$\\ \rm\Rrightarrow x+2(2)=6$

$\\ \rm\Rrightarrow x+4=6$

$\\ \rm\Rrightarrow x=6-4=2$

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3 years ago

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Which expression is a perfect cube?

faust18 [17]

Answer:

Step-by-step explanation:

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3 years ago

Select the correct answer. Fredrick manages a band and sings lead vocals. The band charges $700 per concert. Fredrick receives $

Kisachek [45]

Answer:

A. $105

Step-by-step explanation:

Given

total charge= $700 per concert

solution

If Fredrick receives $175 of that money, the balance will be

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The balance will be shared by the 5 members

Hence each of them will take

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3 years ago

Write an equation, in simplified form, that represents the following scenerio. Brenda buys 15 shirts and at a 20% discount. She

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Answer:

shirts-15

discount-20%

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7×20/100=1.4

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each shirt price is 8.4$

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The answer is 91.44 meters

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