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3 years ago

Arthur Jackson can run 1,500 meters in about 3 1/2 minutes. How many meters per minute is this?

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

6 0

(1500 meters) / (about 3.5 minutes) =

(1500/about 3.5) (meters/minute) =

about 428.6 meters/minute

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Sally found that out of 750 cans stamped in the ½ hour trial run, 150 were not stamped. About how many were not stamped in 3 hou

Vera_Pavlovna [14]

Answer:

About 900 cans not stamped in 3 hours

Step-by-step explanation:

Proportions

Sally found that 150 cans were not stamped in the 1/2 hour trial run.

Following the same proportion in time, we can say:

150 cans not stamped in 1/2 hour. Multiplying by 2:

300 cans not stamped in 1 hour. Multiplying by 3:

900 cans not stamped in 3 hours

About 900 cans not stamped in 3 hours

7 0

3 years ago

Redondear a 4 decimales 35614326

Verizon [17]

Can you translate i can help you better

4 0

3 years ago

Find the volume of the solid generated when R (shaded region) is revolved about the given line. x=6−3sec y, x=6, y= π 3, and

Dmitrij [34]

Answer:

$V=9\pi\sqrt{3}$

Step-by-step explanation:

In order to solve this problem we must start by graphing the given function and finding the differential area we will use to set our integral up. (See attached picture).

The formula we will use for this problem is the following:

$V=\int\limits^b_a {\pi r^{2}} \, dy$

where:

$r=6-(6-3 sec(y))$

$r=3 sec(y)$

a=0

$b=\frac{\pi}{3}$

so the volume becomes:

$V=\int\limits^\frac{\pi}{3}_0 {\pi (3 sec(y))^{2}} \, dy$

This can be simplified to:

$V=\int\limits^\frac{\pi}{3}_0 {9\pi sec^{2}(y)} \, dy$

and the integral can be rewritten like this:

$V=9\pi\int\limits^\frac{\pi}{3}_0 {sec^{2}(y)} \, dy$

which is a standard integral so we solve it to:

$V=9\pi[tan y]\limits^\frac{\pi}{3}_0$

so we get:

$V=9\pi[tan \frac{\pi}{3} - tan 0]$

which yields:

$V=9\pi\sqrt{3}$ ]

6 0

3 years ago

Lines s, t, u, and v are cut by transversal r. Clockwise from top left, the angles formed by r and s are blank, 89 degrees, blan

Natali [406]

Answer:

its not b but i think its c

Step-by-step explanation:

because it is

8 0

4 years ago

Read 2 more answers

PLS HELPPPPP DUE TODAYYYY

Dafna1 [17]

1. y=4x

2. y=-7x-8

3. y=5x+63

4. y=¾x+8

5. y=-3x-½

6. y=1x-3

7. y=2

8. y=-2x+1

9. y=4x+7

work for 9

1=4(2)+b

1= 8 +b

-8 -8

7=b

10. y=0

11. y=¾x+6

work for 11

9 =¾(4)+b

=¾(4)+b9 = 3 +b

+b-3=-3

+b-3=-3 6=b

12. sorry I haven't done thai one in a while.

I was too lazy to include the work for the first couple of answers although I recommend.

M

A

T

H

W

A

Y

they include work with ads

6 0

3 years ago