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stich3 [128]
3 years ago
13

Which expression is equivalent to StartRoot negative 80 EndRoot? Negative 4 StartRoot 5 EndRoot Negative 4 StartRoot 5 EndRoot i

4 StartRoot 5 EndRoot i 4 StartRoot 5 EndRoot
or

Which expression is equivalent to √-80


A. -4√5

B. -4√5i

C. 4√5i

D. 4√5
Mathematics
2 answers:
fomenos3 years ago
8 1
The answer is D. 4√5
hichkok12 [17]3 years ago
4 1

Answer:

C. 4√5i

Step-by-step explanation:

on edge

please vote brainliest i have never gotten it before

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X^3 -x-340<br><br>please explain how you got it <br><br>please help me​
Makovka662 [10]

Answer: x = 18.439

Step-by-step explanation:

x³-x = 340

x² = 340

x = √340 = 18.439

8 0
3 years ago
What is the result when 9r^3 + 27x^2 + 11x +1 is divided by 3x + 1?​
morpeh [17]

Answer:

the answer is 3x^2 + 8x + 1

Step-by-step explanation:

(I used x as the variable due to the invalid difference of variables in your question )

To find the correct answer, I had to use polynomial division.

(9 x 3 + 27 x 2 + 11 x + 1) / (3 x + 1)

= ( 3 x + 1 ) ( 3 x 2 + 8 x + 1 ) / (3 x + 1)

= 3 x 2 + 8 x + 1

6 0
3 years ago
Use the rules to evaluate or simplify. Write without negative exponents.
zhannawk [14.2K]
(y^-5) / (y^-2)
Flip fraction and get rid of the negative from the exponents (you can do that!)
(y^2) / (y^5)
(y * y) / (y * y * y * y * y)
Cancel y's
1 / (y * y * y)
1 / (y^3)

That's your answer.
Have an awesome day! :)
7 0
4 years ago
How many solutions does the following absolute value equation have? |x+3|=4
bekas [8.4K]
It has two solutions.
The first solution is x = -7
The second solution is x = 1

Hope this helps!
3 0
4 years ago
How do I simplify this radical? (screenshot)
Semenov [28]
That  would  be √ (7/11)
3 0
3 years ago
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