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nignag [31]
3 years ago
6

If y is a positive integer, for how many different values of y is, ∛144/y a whole number?

Mathematics
2 answers:
raketka [301]3 years ago
8 0

for 2 different values of "y" ( and ) is a whole number.

Troyanec [42]3 years ago
3 0

Answer:

Image result for If y is a positive integer, for how many different values of y is, ∛144/a whole number brainly

2 different values

Therefore, "y" must be a factor of 144. Therefore, for 2 different values of "y" ( and ) is a whole number  

example

We need the remember that:

Therefore, the radicand (In this case ) must be a perfect cube in order to get a whole number.

Remember that a perfect cube are the numbers that have exact cube roots. Therefore, "y" must be a factor of 144.

Now, we need to descompose 144 into its prime factors:

Then, the factors of 144 are:

Substitute values into  to check:

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Tom [10]

Answer:

C. The coefficient of variation is a measure of relative dispersion that expresses the standard deviation as a percentage of the mean, for any data on a ratio scale and an interval scale

Step-by-step explanation:

Th Coefficient of Variance is a measure of dispersion that can be calculated using the formula:

CV = \frac{\sigma_{x} }{\mu_{x} } * 100%

Where \sigma{x} is the Standard Deviation

and \mu_{x} is the sample mean

From the formula written above, it is shown that the Coefficient of Variation expresses the Standard Deviation as a percentage of the mean.

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3 0
3 years ago
2x + 15 = 82 – 9<br> What is the value of x that makes the equation true
scZoUnD [109]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

2x+15=82-9  Equation/Question

Step 2

2x+15=82-9  Simplify

2x+15=73

Step 3

2x+15=73  Subtract

2x=58

Step 4

2x=58  Divide by 2

answer

x=29

6 0
3 years ago
Please help with problem
siniylev [52]
5.
that is square-kite

square=AC^2=(AE+EC)^2=(9+15)^2=24^2=576

kite=1/2 times diagonals=1/2 times AC times BD=1/2 times 24 times (BE+ED)=12 times (7+7)=12 times 14=168

so the shaded area=576-168=408 square inches





6.
trapezoid=(base1+base2) times 1/2 times height

big one is base1=14, base2=25
height =10+12=22
area=(1/2)(14+24)(22)=(11)(38)=418

small one is base1=8
base2=25
height is 10
area=(1/2)(25+10)(10)=(5)(35)=175
so shaded area is 418-175=243 square cm
5 0
4 years ago
What is 5x+2y=-49 if -9&lt;= x &lt;=-7?
Arlecino [84]
I’m not quite sure I understand but if your saying that -9 =x and -7 =y then the answer would be -59 so the equation wouldn’t be true I hoped I helped :)
5 0
4 years ago
Use the diagram to find each measure. please justify your solution with a postulate or theorem​
Flura [38]

Answer:

pandas

Step-by-step explanation:

3 0
3 years ago
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