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2 years ago

Which equation is satisfied by all of the plotted points?

Mathematics

2 answers:

dangina [55]2 years ago

7 0

Consider the coordinates of the given points

(- 4, - 8 ), (0, 0 ), (1, 2 ), (3, 6 )

It should be noted in each case that the y-coordinate is twice the value of the x- coordinate, hence equation is

y = 2x → D

inn [45]2 years ago

5 0

Answer:

is this a multiple answer question

Step-by-step explanation:

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The radius of a cone is decreasing at a constant rate of 7 inches per second, and the volume is decreasing at a rate of 948 cubi

nadezda [96]

Answer:

Step-by-step explanation:

We have volume of cone as

$V=\frac{1}{3} \pi r^2 h$

and for a cone always r/h = constant

Given that r' = rate of change of radius = -7 inches/sec

(Negative sign because decresing)

V' =- 948 in^3/sec

Radius = 99 inches and volume = 525 inches

Height at this instant = $\frac{525}{\frac{1}{3} \pi (99)^2} \\=\frac{0.1607}{\pi}$

Let us differentiate the volume equation with respect to t using product rule

$V=\frac{1}{3} \pi r^2 h\\V' = \frac{1}{3} \pi[2rhr'+r^2 h']\\-948 = \frac{1}{3} \pi[2(99)(-7)(\frac{0.1607}{\pi})+99^2 h']\\$

$-948 = \frac{1}{3} \pi[2(99)(-7)(\frac{0.1607}{\pi})+99^2 h']\\-948 = 33(3.14)(-2.25/3.14 + 99 h')\\-9.149=-0.72+99h'\\-8.429 = 99h'\\h' = 0.08514$

Rate of change of height = 0.08514 in/sec

8 0

2 years ago

You damage your car and it will cost $2,700 to repair. You have a $500 deductible. How much will the insurance company pay? A.$5

artcher [175]

Answer:

After finding the money we were short with, we find that Option-b, that is, $2200 is the correct option.

Step-by-step explanation:

Given that the cost to repair the damaged car is $2700. We have $500.

Insurance company is a company that gives the payment of someone's valuable items when they are lost or get damaged. For example, home insurance, car insurance, life insurance and much more.

Here we can see that we are short with $2700 - $500 = $2200.

So, to complete the payment, insurance company will pay $2200.

Clearly, the correct option is Option-b.

For more explanation, refer the following link:

brainly.com/question/33585

#SPJ10

7 0

1 year ago

Can somebody please help me? <br><br> Thank you! :)

miskamm [114]

Answer:

your answer will be B.-21

Step-by-step explanation:

3 0

3 years ago

What is the equation of a circle with center (9,-7) and radius 2?

kirza4 [7]

Answer:

B. (x-9)^2 + (y + 7)^2 = 4

Step-by-step explanation:

The standard form of a circle is (x-h)^2 + (y-k)^2 = r^2. Hopefully you can memorize that, because it's very helpful in these problems!

(h,k) is our center, and r is our radius, so plug those values into the standard form:

(x - 9)^2 + (y + 7)2 = 2^2

2^2 = 4, so

<u>B. (x - 9)^2 + (y + 7)2 = 4 is our answer!</u>

3 0

2 years ago

PLEASE HELP THIS IS DUE TODAY!!

AnnyKZ [126]

while excluding 0, the product and quotient is positive if operating between same sign, otherwise if we operating different sign will resulted negative.

7 0

2 years ago