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Yakvenalex [24]
3 years ago
8

A school supervisor wants to determine the percentage of students that bring their lunch to school.

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0

Answer:

D

Step-by-step explanation:

I am just cool like that trust me

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Nobody needs to answer lol
finlep [7]

Answer:

okayyyyyyyyyyyyy

Step-by-step explanation:

6 0
3 years ago
Solve x4 - 11x2 + 18 = 0.
lara31 [8.8K]

Answer:

x=√2, x=-√2, x= 3 and x=-3

Step-by-step explanation:

We need to solve the equation x^4 - 11x^2+18=0  

We can replace x^4 = u^2 and x^2 = u

So, the equation will become

u^2 -11u+18 = 0

Factorizing the above equation:

u^2 -9u-2u+18 =0

u(u-9)-2(u-9)=0

(u-2)(u-9)=0

u=2, u=9

As, u = x^2, Putting back the value:

x^2 =2 , x^2 =9  

taking square roots:

√x^2 =√2 ,√x^2=√9  

x=±√2 , x = ±3

so, x=√2, x=-√2, x= 3 and x=-3

6 0
2 years ago
Read 2 more answers
Yee dealin with a dummy wats 3÷3/10 ​
daser333 [38]

Answer:

0.1 I believe would be your answer

3 0
3 years ago
Read 2 more answers
Please Hurry). Question: What is the value of x? (Will Mark Brainliest) Please only answer if you know it.​
aleksklad [387]

Answer:

111

Step-by-step explanation:

The sum for a 7-sided interior polygon is 900

126+158+120+125+121+139=789

900-789=111

3 0
2 years ago
Read 2 more answers
What is 8 groups of0.32?
Lelechka [254]
Okay! In order to find 8 groups of .32 you'd simply divide them. So:

[.32 ÷ 8] = .04

To check you multiply:

[8 x .04] = .32.

The answer is .04
4 0
3 years ago
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