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3 years ago

1. Graph the system of inequalities.

Mathematics

1 answer:

Tamiku [17]3 years ago

4 0

see attached picture of how graph should look.

search through word for a graph icon, you should be able to do this in Word.

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the value of a baseball card can be represented by the equation y equals 3x + 39 where X represents the number of years that Rob

Blababa [14]

Answer:

I need the values of either X or Y to solve this. I can solve for what X is though.

Step-by-step explanation:

A: X = -12

B: X =78

C: X = 12.13

I hope this helps you, but since both X and Y are unknown variables, you can't solve it, only simplify (which it already is.)

3 0

2 years ago

The radius of the base of a cylinder is decreasing at a rate of 121212 kilometers per second. The height of the cylinder is fixe

WARRIOR [948]

Answer:

7536 $km^3/sec$

Step-by-step explanation:

Given that:

Rate of decreasing of radius = 12 km/sec

Height of cylinder is fixed at = 2.5 km

Radius of cylinder = 40 km

To find:

The rate of change of Volume of the cylinder?

Solution:

First of all, let us have a look at the formula for volume of a cylinder.

$Volume = \pi r^2h$

Where $r$ is the radius and

$h$ is the height of cylinder.

As per question statement:

$r$ = 40 km (variable)

$h$ = 2.5 (constant)

$\dfrac{dV}{dt} = \dfrac{d}{dt}\pi r^2h$

As $\pi, h$ are constant:

$\dfrac{dV}{dt} = \pi h\dfrac{d}{dt} r^2\\\Rightarrow \dfrac{dV}{dt} = \pi h\times 2 r\dfrac{dr}{dt} \\$Putting the values:$\\\Rigghtarrow\dfrac{dV}{dt} = 3.14 \times 2.5\times 2 \times 40\times 12 \\\Rigghtarrow\dfrac{dV}{dt} = 7536\ km^3/sec$

4 0

3 years ago

HELP!!! What is the slant height x of the square pyramid? Express your answer in radical form.

katrin [286]

Check the picture below.

make sure your calculator is in Degree mode.

3 0

3 years ago

. A fence encloses a triangular field. There is

poizon [28]

Answer:

16 posts

Step-by-step explanation:

Sides are:

20 ft, 25 ft and 35 ft

There are following number of posts on each of the sides:

20 ft side ⇒ 20/5 = 4
25 ft side ⇒ 25/5 = 5
35 ft side ⇒ 35/5 = 7

Total number:

4 + 5 + 7 = 16 posts

6 0

3 years ago

3(x+5)= 30 divided by 5

harina [27]

Answer:

x=-3

Step-by-step explanation:

I have a formula

3 0

2 years ago