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Lena [83]
3 years ago
12

What is the domain of the function Y equals cube root x

Mathematics
1 answer:
Sonbull [250]3 years ago
7 0

Answer:

The domain of a cube root function is the set of all real numbers. Unlike a square root function which is limited to nonnegative numbers, a cube root can use all real numbers because it is possible for three negatives to equal a negative.

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4 pencils and 3 crayons are 20.9 inches. 5 pencils and 4 crayons are 26.5 inches. Each pencil is the same length as the other pe
erastova [34]

Answer:

The length of the pencils is 4.1 inches and for the crayons 1.5 inches

Step-by-step explanation:

We can solve by means of a 2x2 system of equations, we have to:

let "x" be the length of the pencils

let "y" be the length of the crayons

4 * x + 3 * y = 20.9

5 * x + 4 * y = 26.5 => x = (26.5 - 4 * y) / 5

Replacing:

4 * (26.5 - 4 * y) / 5 + 3 * y = 20.9

21.2 - 3.2 * y + 3 * y = 20.9

-0.2 * y = 20.9 - 21.2

y = -0.3 / -0.2

y = 1.5

now for x:

x = (26.5 - 4 * 1.5) / 5

x = 4.1

This means that the length of the pencils is 4.1 inches and for the crayons 1.5 inches

5 0
3 years ago
Which of the following is the most appropriate unit to describe the rate at which a person reads?
alukav5142 [94]
<span>C; words per minute, because the independent quantity is the minutes.

hope this helps!
</span>
6 0
3 years ago
How to convert the mixed number to a fraction<br> 6 and 1 over 7?
pogonyaev

Answer:

43/7

Step-by-step explanation:

6  1/7

First, you need to multiply 6 by 7, then add 1

43/7

4 0
3 years ago
Read 2 more answers
The school store sells Midville High T-shirts for $12 each and Midville High shorts for $9 a pair. One afternoon they sold a tot
Flura [38]

Answer:
There will be 22 pairs of shorts were sold at a price of $9 each.

5 0
2 years ago
PLEASE HELP!!! NO BOTS!! solve for x​
Vesnalui [34]

Answer:

/2=1.41

/5=2.24

(a)^2+(b)^2=(c)^2

(1.41)^2+(b)^2=(2.24)^2

2+(b)^2=5

(b)^2=5-2

(b)^2=3

b=/3 or 1.73

Step-by-step explanation:

for a triangle, a missing value of the side can be found using pythagorean theorem which is (a)^2+(b)^2=(c)^2

replace it with the given value.

*note:(c)^2 should be the hypotenuse

inverse of +ve is -ve

inverse of square is square root

7 0
3 years ago
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