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3 years ago

What is the scientific notation for .000472

Mathematics

1 answer:

bagirrra123 [75]3 years ago

6 0

Answer:

The scientific notation for 0.000472 is 4.72 * $10^{-4}$ .

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Shorty's gross pay last week was $251.20.if her hourly rate was $7.85,how many hours did she works?

Maslowich

251.50 divided by 7.85 is 32 so she worked 32 hours.

6 0

3 years ago

Colton bounces a ball 3.268 feet infront of his feet. The path of the ball from the time it hits the ground until it lands on th

Otrada [13]

here is the complete and correct question. Colton bounces a ball 3.268 feet in front of his feet. The path of

the ball from the time it hits the ground until it lands on the floor is represented by

f(x) =-4(x - 5)2 + 12

Assuming that Colton's feet are located at the origin, (0, 0), what is the maximum height of the ball (in feet)?

Answer:

12ft

step by step explanation:

This equation has been written in vertex form, and it has its vertex at (5, 12). Because the scale factor is not positive, it has a negative value, the graph for the question is going to open downward, such that the vertex,

that is the maximum height is 12 ft.

we have The equation of a parabola with vertex (h, k) to be

f(x) = a(x -h)² + k

when put in Comparison to your question function, we get that

a=-4

h=5

k=12

so the vertex (h, k) = (5, 12).

5 0

3 years ago

Please help!

olasank [31]

8x + 84 = 500
8x = 416
x = 52

So if he wants to earn more than 500 dollars, he needs to make more than 52 dollars a week.

3 0

3 years ago

Read 2 more answers

A spherical balloon is inflating with helium at a rate of 64 pi StartFraction ft cubed Over min EndFraction . How fast is the b

olga2289 [7]

Answer:

The radius of the balloon is increasing at a rate of 4 feet per minute.

Step-by-step explanation:

We are given the following in the question:

$\dfrac{dV}{dt} = 64\pi \dfrac{\text{ ft}^3}{\text{min}}$

Volume of sphere is given by

$V = \dfrac{4}{3}\pi r^3$

where r is the radius of the balloon.

Instant radius, r = 2 ft

Rate of change of volume =

$\dfrac{dV}{dt} = \dfrac{d}{dt}(\dfrac{4}{3}\pi r^3)\\\\\dfrac{dV}{dt} =4\pi r^2\dfrac{dr}{dt}$

Putting values, we get,

$64\pi = 4\pi (2)^2\dfrac{dr}{dt}\\\\\Rightarrow \dfrac{dr}{dt} = 4$

Thus, the radius of the balloon is increasing at a rate of 4 feet per minute.

5 0

3 years ago

29. Which integers represent a debit of $7 and a credit of $5?

almond37 [142]

Answer:

Step-by-step explanation:

Debit is when you receive cash:

So positive

Credit is when you pay cash:

So negative

8 0

3 years ago