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GalinKa [24]
3 years ago
12

What is an independent variable??

Mathematics
1 answer:
laila [671]3 years ago
4 0
An independent variable is something that is changed or controlled
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Patty has $20 to spend on gifts for her friends. Her mother gives her $5 more. If each gift costs $5, how many gifts can she buy
zaharov [31]
If she has 20 dollars and her mom gives her 5 more that would be 25 dollars.  
<span>if each gift cost 5 dollars then you would divide 25 by 5 which would come out to 5 gifts. </span>
6 0
4 years ago
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What is the mean for the data set? {79,42,86,103,79,111}
kozerog [31]

Answer:

≈83.33

Step-by-step explanation:

Mean is the average

so

Mean = [79+42+86+103+79+111] / 6

= 500/6

≈ 83.33

3 0
4 years ago
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Find sin A. <br> Please select the best answer from the choices provided
Phantasy [73]

A key word to remember when doing this type of math is "SOHCAHTOA".

Sine =

Opposite over

Hypotenuse

Cosine =

Adjacent over

Hypotenuse

Tangent =

Opposite over

Adjacent


Since this is a 3, 4, 5 triangle, with the sides just multiplied by 7, the opposite of A which is 28 would be simplified to 4.

And the Hypotenuse would be simplified to 5.

So, the answer is 4 / 5!

8 0
4 years ago
What is the domain of f (x)X +2?x2-X-6O A. all real numbers except 2 and 3B. all real numbers except 2 and 3c. all real numbers
Vanyuwa [196]

Problem

f(x)=\frac{x+2}{x^2-x-6}

Solution

For this case we want to find the domain for this case and we can analyze the denominator on this case because cannot be equal to 0, so we can set up this:

x^2-x-6\ne0

If we factorize we got:

(X-3)(x+2)=0

So then we have X=3 and X=-2

With these results we can conclude that the value of x cannot be 3 or -2 because then the function will be not defined

And the best solution is:

A. all real numbers except -2 and 3

3 0
1 year ago
Which pay is equivalent to 16 $ per hour A) 48 for 3 hours B)120 for 12 hours C) 60 for 5 hours D) 96 for 9 hours
krok68 [10]

Answer:

The answer is A. 48 divided by 3 equals 16. Therefore, if you earn $48 for 3 hours, then you are earning $16 per hour.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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