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svetlana [45]
4 years ago
11

Need help for number 13 and 14. The worksheet given to me is called simplifying rational exponents, my teacher gives us the answ

ers for it (in red) but I have no idea how to get it

Mathematics
1 answer:
Viefleur [7K]4 years ago
8 0
When there are variables with exponents on the bottom you have to subtract the ones on the bottom from the ones on the top. Then if the exponent is negative you have to flip it.
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Solve this equation<br> 3x^2 − 16x = x^2 − 30
ValentinkaMS [17]

3x^2-16x=x^2-30

-x^2        -x^2

2x^2-16x=-30

+30          +30

2x^2-16x+30=0

2x-6=0 or x-5=0

x=3    or x=5

A. 3,5

If you need an explanation, I can provide one. Hope it helped! If it didn't tell me what went wrong or what confused you.

3 0
3 years ago
Read 2 more answers
Find the perimeter of the following polygon. Be sure to include the correct unit in your answer.
slava [35]

Answer:

48

Step-by-step explanation:

All you got to do is add all of them together

8 0
3 years ago
Can I please get some help with this probem?
Lemur [1.5K]

Answer:

In Step 4, the inequality sign should be flipped.

Step-by-step explanation:

Whenever you multiply or divide both sides of an inequality by a negative number, you need to flip the inequality sign. So, in Step 4, when you divide both sides by -10, the sign should be flipped.

The final answer should be:

\frac{-27}{10} \geq x

6 0
2 years ago
Read 2 more answers
The table shows how many males and females attended two different movies. How would you find the joint relative frequency of bei
kirza4 [7]

Answer:

B. Divide 124 by 229.

Step-by-step explanation:

Given the table

\begin{array}{cccc}&\text{Action}&\text{Drama}&\text{Total}\\ \\\text{Male}&105&124&229\\ \\\text{Female}&99&151&250\\ \\\text{Total}&204&275&479\end{array}

The <u>joint relative frequency</u> is the ratio of the frequency in a particular category and the total number of data values.

The total number of males =229

The number of males that like drama =124

So, to find the joint relative frequency of being male and attending a drama movie, you should divide 124 by 229.

8 0
3 years ago
Read 2 more answers
Solve for x. 89(54x−36)+2=−34(−40+16x)+90x
krok68 [10]
Eliminate parentheses using the distributive property.
  4806x -3204 +2 = 1360 -544x +90x
  5260x = 4562
  x = 4562/5260
  x = 2281/2630
7 0
3 years ago
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