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3 years ago

Determine the domain on which the following function is increasing.

Mathematics

1 answer:

mars1129 [50]3 years ago

7 0

Answer:

(-∞, -2]

Step-by-step explanation:

Domain of a function is defined by the x-values (Input values) and y-values define It's range.

From the graph of a parabola,

Graph shows the increase in the value from x = -∞ to x = -2 then the values are decreased from x = -2 to ∞.

Therefore, domain in which the function is increasing : (-∞ , -2]

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20 is how much less than 30? What percent less?

LenKa [72]

Answer:

33.3333% decrease

Step-by-step explanation:

Percent change formula: $\frac{(x-y)}{|y|} *100$ , where x is the new value and y is the starting value.

Plug in values and solve:

$\frac{20-30}{30} *100\\\frac{-10}{30} *100\\-0.3333*100\\$

-33.3333% change, or a 33.3333% decrease.

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3 years ago

Which of the following is always true about a parallelogram?

dusya [7]

The answer is A. all sides are congruent hope this helps! :)

<h2>-CloutAnswers</h2>

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2 years ago

PLZ HURRY IT'S URGENT!!

DIA [1.3K]

Answer:

42 and 63

Step-by-step explanation:

I think you mean the ratio is 2/3 instead of 23

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2 years ago

1. A shirt is on sale for 45% off. The original

sleet_krkn [62]

Answer:

$13.75 , $11.25

Step-by-step explanation:

If they took off 45% of the original price, that means you gotta subtract

$25 - 45% = 13.75

to find the amount of the discount, subtract 13.75 from 25

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3 years ago

Solve for the volume of the following figure.

Olenka [21]

Answer:

$96\pi \: or \: 301.59$

rounded to the nearest hundredth

Step-by-step explanation:

use the pythagorean theorem to find the height of the cone

${a}^{2} + {6}^{2} = {10}^{2}$

you get a = 8

the formula for the volume of a cone is

$\pi \:{r}^{2} \frac{h}{3}$

plug in 6 for the radius and 8 for the height. then solve

5 0

2 years ago