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nirvana33 [79]
3 years ago
11

Please help! Will mark brainliest!

Mathematics
1 answer:
zhuklara [117]3 years ago
6 0

Answer:

5/2

Step-by-step explanation:

Move the 5^-3 to the denominator and add the exponents of like coefficents

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HELPPP ME NOWWW MY TEACHER IS GONNA CALL ON ME SOON
tia_tia [17]

Answer:

9 and 5/6 or 59/6

Step-by-step explanation:

3 0
3 years ago
I need to simplify this
Korvikt [17]
Hi there!

3 \sqrt{54} + 2 \sqrt{24} =
First we split up the square root into two parts.

3 \times \sqrt{9} \times \sqrt{6} + 2 \times \sqrt{4} \times \sqrt{6} =
Now we calculate the value of the square roots which have an integer as a solution

3 \times 3 \times \sqrt{6} + 2 \times 2 \times \sqrt{6} =
Multiplying the integers gives us our next step.

9 \sqrt{6} + 4 \sqrt{6} =
And finally we add up the roots.

13 \sqrt{6}
3 0
4 years ago
Answer the given questions please!
irinina [24]
The absolute value of |-7.9| is 7.9
|8.5| = 8.5
B 5 and D -5 have absolute values of 5
|-5.6| = 5.6
8 0
2 years ago
PLS HELP<br><br> The perimeter of the square below is 184 m. What is the value of y.
kkurt [141]

we are given

side of square =s=6y+4

now, we know that

perimeter of square = 4*side

so,

perimeter=4*s

now, we can plug s

perimeter=4*(6y+4)

we can set perimeter=184

we get

184=4*(6y+4)

now, we can solve for y

184=4*6y+4*4

we can isolate y on any one side

184=24y+16

24y=168

so, we get

y=7 m...........Answer

7 0
3 years ago
Read 2 more answers
Find all roots x^5-2x^3-8x=0
kobusy [5.1K]
X^5 - 2 x^3 - 8 x=0x (x - 2) (x + 2) (x^2 + 2) = 0
x - 2 = 0 or x = 0 or x + 2 = 0 or x^2 + 2 = 0
x = 2 or x = 0 or x = - 2 or x^2 = - 2
x^2 = - 2 has no solution since for all x on the real line, x^2 >= 0 and - 2 < 0

Ans : x = 2 or x = 0 or x = - 2
7 0
3 years ago
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