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3 years ago

Find the value of m. A. 32 B. 50 C. 63 D. 74

Mathematics

2 answers:

zaharov [31]3 years ago

7 0

Answer:

Step-by-step explanation:

HOPE I HELPED

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hram777 [196]3 years ago

5 0

Answer:

Step-by-step explanation:

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A point P is moving along the curve whose equation is y = \sqrt x . Suppose that x is increasing at the rate of 4 units/s when x

Mice21 [21]

Answer:3 units/s

Step-by-step explanation:

Given

$y=\sqrt{x}$

Point P lie on this curve so any general point on curve can be written as $(x,\sqrt{x})$

and $\frac{\mathrm{d} x}{\mathrm{d} t}=4 units/s$

Distance between Point P and (2,0)

$P=\sqrt{(x-2)^2+(\sqrt{x}-0)^2}$

P at x=3 P=2

rate at which distance is changing is

$\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{\mathrm{d} \sqrt{(x-2)^2+(\sqrt{x}-0)^2}}{\mathrm{d} t}$

$\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{2x-3}{\sqrt{(x-2)^2+(\sqrt{x}-0)^2}}\times \frac{\mathrm{d} x}{\mathrm{d} t}$

$\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{2\times 3-3}{2\times 2}\times 4=3 units/s$

8 0

3 years ago

What you do with value of expressions

svp [43]

You express the values in which the teacher or tutor or whatever assigned you.

8 0

3 years ago

Karen has a summer job as a swim instructor. she gets paid $4 per hour for the first 20 hours and $6 per hour for each hour in t

Misha Larkins [42]

She would need to work 24 hours because the first 20hrs x $4 is $80 $104-$80 = 24
24\6= 4 20 plus 4 is 24

4 0

3 years ago

The system of equations: 5x-4y=-3

Sophie [7]

Answer:

3)5x-4y=-3

6x+4y=14

Step-by-step explanation:

The system of equations is given

5x-4y=-3

3x+2y=7

Multiplying both sides of the lower equation by 2, we get

6x + 4y = 14

That means your answer 3)

5 0

3 years ago

Help ASAP! thanks so much!

melamori03 [73]

I believe it is 1500
(1920 - 420)

4 0

3 years ago