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3 years ago

13

URGENT!!!Can someone give me the answer and explanation plz

1 answer:

mafiozo [28]3 years ago

7 0

Answer: D

Step-by-step explanation: Divide 110 and 1700 to get 15 then multiply that 15 with 110 to get 1600. I hope this helps ;)

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If L=√(x^2+y^2), dx/dt =-4, dy/dt=3, find dL/dt when x=4 and y=3

yulyashka [42]

Hello,

$L=\sqrt{x^2+y^2} \\\\\dfrac{dx}{dt}=-4\\\\\dfrac{dy}{dt}=3\\\\x=4, y=3\\\\\dfrac{\partial L} {\partial x} =\dfrac{x}{\sqrt{x^2+y^2}} \\\\\dfrac{\partial L} {\partial y} =\dfrac{y}{\sqrt{x^2+y^2}} \\\\\dfrac{dL}{dt} =\dfrac{\partial L} {\partial x}*\dfrac{dx}{dt}+\dfrac{\partial L} {\partial y}*\dfrac{dy}{dt}\\\\=-4*\frac{-4}{\sqrt{4^2+3^2}} +3*\frac{3}{\sqrt{4^2+3^2}}\\\\=\dfrac{16}{5} +\dfrac{9}{5} \\\\=5\\$

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3 years ago

Monique bought 5 1/2pounds of chicken for $18.51. What was the cost per pound?

UkoKoshka [18]

About 3.40 rounded to the tenths place

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3 years ago

What is the circumference of the following circle?<br> units<br> R=1

lesantik [10]

Answer:

6.28 or 157/25

Step-by-step explanation:

Firstly, you find the formula for the circumference of a circle which is C= PI ( diameter)

So since the radius is 1 you multiply it by 2 and get 2 so then you multiply 2 by 3.14 (pi) and get 6.28

I hope this helped!!!

$c = \pi(d)$

7 0

3 years ago

5 divided by 4454 so i will do what

eduard

5 divided by 4454 is technically 0 but 4454 divided by 5 is 890.8

8 0

3 years ago

Read 2 more answers

On an assembly line, 3 out of every 100 light bulbs are found to be defective . If 5000 light bulbs are produced, how many would

STatiana [176]

Answer:

Step-by-step explanation:

There are 50 hundreds in 5000.

No of defective bulb expected = 50 * 3 = 150

3 0

3 years ago