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3 years ago

A car was worth $14000 in 2015, and decreased in value to $10500 in 3 years. What is its annual rate of depreciation?

Mathematics

1 answer:

bulgar [2K]3 years ago

5 0

The annual rate of depriciation would be approximately $1,166.60 per year.

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The volume of a cone is 20pi cubic meters. What is the volume of a cylinder with the same base and height?

Sergeu [11.5K]

Recall, the volume of a cone is 1/3pi times radius of base times height.
$V cone_{} = \frac{1}{3} * \pi *r^2*h$

Volume of a cylinder is the same but without the 1/3
$V cyl_{} = \pi*r^2*h$

It gives you the cone volume 20pi and that the radius and height of both of them are the same values.
$20 \pi= \frac{1}{3} \pi r^2h$
$V cyl_{}= \pi r^2h$

since it says the radius and height are the same for both , you can equate the two, you can solve both equations for r^2*h and then equate what is on the other side.
$60=r^2h
$
$\frac{V}{ \pi } =r^2h$

so
$60= \frac{V}{ \pi }$
$V=60 \pi$

4 0

3 years ago

Opportunity to get Brainliest! I will put various questions and will mark BRAINLIEST!

zalisa [80]

Answer:

mmeeee plz

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

1/3m + L is greater than or equal to 8 <br><br> solve the inequality for L

hodyreva [135]

Answer:

1/3m+L>8 (TAKE 1/3M to the other side of the inequality)

L is greater than or equal to 8 - 1/3m

Step-by-step explanation:

3 0

3 years ago

"I am 3 times as old as Sue is," Frank said to Ann. "On the other hand, I am 15 years older than John while Sue is 1 year younge

ahrayia [7]

Frank = F

Sue = S

John = J

F=3*S

F = J+15

S = J-1

If you want to find Frank's age, then his age would be equivalent to John's plus 15 years.

A.-Would not work because Frank is three times Sue's age, not John's (left hand side of the equation).

B.-Notice that the right hand side of the equation is equivalent to Sue's age, which we know is John-1, however it is currently written to be "three times Sue's age minus one" which would give us John's age, plus two more years than his actual age on the left hand side.

C.-Frank's age is equal to John's plus fifteen (right side of the equation) and Frank is equal to Sue's age times 3. But, if Sue is in terms of Johns, then Sue's age is John's minus one. Therefore, Frank's age is equal to three times Sue's age of John minus one, which is the left-hand side of our equation.

Therefore C is the answer. C:

6 0

3 years ago

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Which graph shows a function that always had a negative rate of change?

oee [108]

Answer: 2nd one is the right one

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3 years ago