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Nitella [24]
3 years ago
5

What are the steps to solve √(0.2)^(−2)?(The answer is 5)

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
6 0

\bf 0.\underline{2}\implies \cfrac{02}{1\underline{0}}\implies \stackrel{simplified}{\cfrac{1}{5}} \\\\[-0.35em] ~\dotfill\\\\ \left( \sqrt{0.2} \right)^{-2}\implies \left( \sqrt{\cfrac{1}{5}}\right)^{-2}\implies \left( \sqrt{\cfrac{5}{1}}\right)^{+2}\implies \cfrac{(\sqrt{5})^2}{(\sqrt{1})^2}\implies \cfrac{\sqrt{5^2}}{\sqrt{1^2}}\implies 5

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Pls help because im awful at math
Vesnalui [34]

Answer:

8/4

Step-by-step explanation:

because 8 is x and x goes first and y is 4 and y goes last

hope this helps!

5 0
2 years ago
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A password is 4 characters long, consisting of 2 letters and 2 numbers. The password must begin and end with a
Kisachek [45]

Answer:

a.

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Step-by-step explanation:

4 0
2 years ago
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Rachael got a 550 on the analytical portion of the Graduate Record Exam (GRE). GRE scores are normally distributed and have mean
yawa3891 [41]

Answer:

0.0475

Step-by-step explanation:

Given that :

Area To the left :

P(Z < 550) = 0.0475 ; that is proportion who scored better than of 550 has a Zscore of 0.0475.

Hence, percentage of students who scored better than she did will be 0.0475

6 0
3 years ago
A grocer wants to make a 10-pound mixture of cash tans peanuts that he can sell for $3.29 per pound. If cashews cost $5.60 per p
bagirrra123 [75]
Label each nut with a variable, c = cashews, p = peanuts.....
for a 10-pound mix, you will need c + p = 10
the price for 10-pounds would become 3.29 x 10 = 32.90 

You will need an unknown amount of cashews at 5.60/lb and an unknown amount of peanuts at 2.30/lbs to get your full 10 pounds valued at 32.90
5.60c + 2.30p = 32.90 

Now you 2 have a system of 2 equations and 2 unknowns
c + p = 105.6c + 2.3p = 32.9utilize substitution to solve:p = 10-c
5.6 c + 2.3 (10-c) = 32.9
solve for c then substitute back into c + p = 10 to solve for P

Hope this helps!
3 0
3 years ago
PLEASE HELP ASAP
Oksana_A [137]

Answer: 1

Step-by-step explanation: 1. 4x4=16 4x4x4= -64x16= -1024

5 0
2 years ago
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