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2 years ago

Y+x=1 show whether x and y show direct variation plzz helpp

Mathematics

1 answer:

Thepotemich [5.8K]2 years ago

7 0

Answer:

Step-by-step explanation:

Please write: "Determine whether y+x=1 shows direct variation."

No, it does not, because of the constant term, 1.

If we were to eliminate the 1 and write y + x = 0, then yes, this would represent direct variation.

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What are the domain and range of the function f(x)=(√x-7)+9?

Yanka [14]

Answer:

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Step-by-step explanation:

Consider the parent function $y=\sqrt{x}.$

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The function $f(x)=\sqrt{x-7}+9$ is translated function $y=\sqrt{x}$ 7 units to the right and 9 units up, so

the domain of the function f(x) is $x\ge 7$

the range of the function f(x) is $f(x)\ge 9$

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3 years ago

tank contains 20002000 liters (L) of a solution consisting of 112112 kg of salt dissolved in water. Pure water is pumped into t

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Answer:

Answer:

t ≅ 5.09 min

Step-by-step explanation:

we have that if in 4000 L/sol there is 132 kg salt and the pumping speed is 12L/s, we must find how much of salt is pumping per second and then find the amount of salt remaining

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Step-by-step explanation:

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3 years ago

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Answer:

Step-by-step explanation:

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2 years ago

Y+x=1 show whether x and y show direct variation ​plzz helpp

Y+x=1 show whether x and y show direct variation plzz helpp