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madam [21]
3 years ago
15

You walk into a tall building and take the elevator up an appointment you have on the 7th floor they send you down two floors to

the 5th floor to pay your bill After paying your bill you take the stairs back to the main floor and exit the building
Mathematics
1 answer:
Ede4ka [16]3 years ago
5 0

Answer:

The answer would be A because the person would go up 7 floors, go down 2, and go down five more.

Step-by-step explanation:

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A point moves along the curve y = √ x in such a way that the y-component of the position of the point is increasing at a rate of
Eduardwww [97]

Answer:

The value of x component changes at a rate of \frac{dx}{dt}=4\sqrt{x} units per second

Step-by-step explanation:

We are given that y=x^{\frac{1}{2}}

Differentiating on both sides with respect to time we get

\frac{dy}{dt}=\frac{d\sqrt{x}}{dt}\\\\\frac{dy}{dt}=\frac{1}{2}x^{\frac{-1}{2}}(\frac{dx}{dt})\\\\\frac{dy}{dt}=\frac{1}{2\sqrt{x}}\frac{dx}{dt}

It is given that \frac{dy}{dt}=2units/sec

Solving for \frac{dx}{dt} we get

\frac{dx}{dt}=\frac{dy}{dt}\times 2\sqrt{x}\\\\\frac{dx}{dt}=4\sqrt{x}

5 0
3 years ago
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Vinil7 [7]

I believe A should be the answer, hope that helps.

4 0
4 years ago
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I NEED MAJOR HELP PLEASE
ehidna [41]

Answer:

1st box in justification is going to be subtraction property.

2nd box is multiplication property.

1 box in steps is going to be (2/3y)=-6

2nd box in steps (2/3y)*(3/2)=-6(3/2)

3rd box in steps y=-9

Step-by-step explanation:

you're basically trying to solve for y. trying to get it by it self.

if you want me to explain it further down, you can tell me.

and I hope that helped

8 0
3 years ago
1 and 2 plz help me im nice:)
jek_recluse [69]

Answer:

1. 13

2. 28

Step-by-step explanation:

hope this helps

7 0
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Study the red pre-image and the associated blue dilation image. The center of dilation is (2, 2). What is the scale factor of th
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Answer: The Answer is C

I just took the test

Step-by-step explanation:

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