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3 years ago

What is the function of y=-3|x+5|+7

Mathematics

1 answer:

zheka24 [161]3 years ago

5 0

Answer: Graph coordinates down below

Step-by-step explanation: Please mark brainliest of you feel this helped

1 2

3 12

10 110

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How many seconds ,4:30-5:05

bixtya [17]

35 sec
because 5:00-4:30=30
30+5=35

3 0

4 years ago

A 10 cm thick grindstone is initially 200 cm in diameter, and it is wearing away at a rate of LaTeX: 50cm^3/hr. At what rate is

timurjin [86]

Complete question is;

A 10 cm thick grindstone is initially 200 cm in diameter, and it is wearing away at a rate of 50 cm/hr. At what rate is its diameter decreasing?

Answer:

Diameter is decreasing at the rate of 5/(2πr) cm/hr

Step-by-step explanation:

We are told the stone is wearing away at a rate of 50 cm/hr. This means the volume is decreasing. Thus;

dV/dt = -50 cm/hr

Now, a grindstone is in the shape of a cylinder. Thus, volume of grindstone is;

V = πr²h

dV/dr = 2πrh

Now,to find the rate at which the diameter is decreasing, we'll write;

dr/dt = (dV/dt)/(dV/dr)

dr/dt = -50/(2πrh)

We are given;

Diameter = 200 cm

Radius; r = 200/2 = 100 cm

Thickness; h = 10 cm

Thus;

dr/dt = -50/(2π × r × 10)

dr/dt = -5/(2πr) cm/hr

8 0

3 years ago

Please please help

KATRIN_1 [288]

Answer:

g 78 degress

Step-by-step explanation:

6 0

3 years ago

Ive been at this for abt 30 min. help?

gregori [183]

Answer:

$1+\frac{-63}{x^2-1}$

Step-by-step explanation:

If you foil this equation you will get:

$\frac{(x+8)(x-8)}{(x+1)(x-1)}$

And by dividing it, you will get;

$1+\frac{-63}{x^2-1}$

That is your answer!

6 0

3 years ago

What is the domain of the relation graphed below?

Burka [1]

ANSWER

The correct answer is C

$(-5,-4,-3,1,2,5)$

EXPLANATION

The ordered pair of the relation are:

$(-5,0),(-4,1),(-3,4),(1,-2),(2,4),(5,-3)$

The domain is the set of all the x-values for which the function is defined.

These are:

$(-5,-4,-3,1,2,5)$

Therefore the correct option is C.

3 0

3 years ago