All categories

3 years ago

PLEASE HELP!!

Mathematics

1 answer:

hichkok12 [17]3 years ago

7 0

Answer:

It would take the smaller pipe 28 minutes to fill up the truck.

Step-by-step explanation:

Since the larger pipe takes 84 minutes and is three times faster than the smaller pipe, you have to divide 84 by 3 to get 28. To check if this is correct you have to multiply 28 by 3 and you get 84. Showing that the larger pipe is three times faster.

You might be interested in

Whats 2738372483740234 +623745265645293420= ?

Sever21 [200]

Answer:

use a calculator

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

In the diagram, the measure of angle 6 is 98°. A transversal intersects 2 lines to form 8 angles. Clockwise from top left, the a

ser-zykov [4K]

Answer: 82°

Step-by-step explanation:

6 = 98°

180° - 98° = 82°

3 0

2 years ago

Read 2 more answers

If -xy – 5+ y^2+ x^2= 0 and it is known that dy/dx= y-2x/-x+2y, find all

sleet_krkn [62]

Answer:

There is no point of the form (-1, y) on the curve where the tangent is horizontal

Step-by-step explanation:

Notice that when x = - 1. then dy/dx becomes:

dy/dx= (y+2) / (2y+1)

therefore, to request that the tangent is horizontal we ask for the y values that make dy/dx equal to ZERO:

0 = ( y + 2) / (2 y + 1)

And we obtain y = -2 as the answer.

But if we try the point (-1, -2) in the original equation, we find that it DOESN'T belong to the curve because it doesn't satisfy the equation as shown below:

(-1)^2 + (-2)^2 - (-1)*(-2) - 5 = 1 + 4 + 2 - 5 = 2 (instead of zero)

Then, we conclude that there is no horizontal tangent to the curve for x = -1.

3 0

2 years ago

Ax+by=c с. a What is the value of x?

Sergeeva-Olga [200]

Answer:

$ax + by = c \\ ax = c - by \\ { \boxed{ \boxed{x = \frac{c - by}{a} }}}$

3 0

2 years ago

A map is drawn to scale so that a length of 1 centimeter on the map represents an actual distance of 3

timofeeve [1]

Answer:

60 kilometers

Step-by-step explanation:

1 centimeter = 3 kilometers

20 × 3 = 60

5 0

2 years ago