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DedPeter [7]
3 years ago
8

27. Explain the Error Yuan is asked to evaluate the expression (-8)' on his exam, and writes that it is unsolvable because you c

annot evaluate a negative number to an even fractional power. Is he correct, and if so, why? If he is not correct, what is the correct answer?
Mathematics
1 answer:
DanielleElmas [232]3 years ago
3 0

Answer:

he is incorrect the answer is -4

Step by step explanation:

\sqrt[3]{-8^{2} }  \\\\\\\sqrt{-2^{2} } \\\\= -4

just because something is negative doesn't mean it cant still be divided

it will still be able to be divided but it will be a negative number

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Algebra 1!!! I need help ASAP!!
vesna_86 [32]

To understand the algebra, go through the following equations below:

  • First the thing to note is that the top square is the square of the bottom square: Stage 1: 1 & 1^{2} , stage 2 = 2 & 2^{2}, stage 3 = 3 & 3^{2}
  • Second image: Just add the two values above to get the total of tiles needed.  For stage 5: 5 + 5^{2} = 30, Stage 12: 12 + 12^{2} = 156

Part B

  • First equation : y = n^{2} + n
  • second equation: y = n + (n*n)

<h3>Meaning of algebra</h3>

Algebra is defined as a branch of mathematics that deals with variables, symbols and finding of these unknown using arithmetic operation such as ( +,  -,  *,  ÷ )

Algebra is the study and understanding of mathematical symbols and how to manipulate them in mathematical problems and formulae.

In conclusion, the above are the solution to the questions on the attached image.

Learn more about algebra: brainly.com/question/22399890

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5 0
2 years ago
Ellie has 12.5 pounds of potatoes to make mashed potatoes. She uses one-tenth as many pounds of butter as potatoes. How many pou
Oksana_A [137]
Pounds of butter=1/10 (potatoes)
                          =1/10 (12.5)
                          =1.25 pounds

Ellie uses 1.25 pounds of butter
6 0
3 years ago
A 2.5m long ladder leans against the wall of a building. The base of the ladder is 1.5m away from the wall. What is the height o
katen-ka-za [31]
I’m pretty sure you just use pythag for that so 1.5^2 + h^2 = 2.5^2 and once you solve that you should have your answer and don’t forget to root it after
7 0
2 years ago
Read 2 more answers
Is y=3x+4 a function?
Oxana [17]

Answer:

Yes, it is a function

Step-by-step explanation:

Every possible input x value is paired with a unique output y value.

Another approach is to graph the function then conduct the VLT (vertical line test) at which point you will realize that any vertical line will intersect the graph at one point only meaning it is a function.

Hope this helps.

5 0
1 year ago
ANSWER ASAP!!!!
Korvikt [17]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
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