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KATRIN_1 [288]
3 years ago
7

Jen solves the equation 100-1/2x=92 to determine the number of questions, x, she answered incorrectly on a test. She began by su

btracting 100 from both sides, then multiplying both sides by -2. Which best describes the accuracy of jen’s work?
Mathematics
2 answers:
vazorg [7]3 years ago
4 0

Answer:

subtracting 100 from both sides

Step-by-step explanation:

100-1/2x=92

Elis [28]3 years ago
4 0

Answer:

the answer is subtract 100 from both sides

Step-by-step explanation:

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Kiley invited 10 students to her home, and 20 showed up. What percentage of the number invited showed up?
QveST [7]

Answer:

200% of the number she invited.

Step-by-step explanation:

20/10 = 2

2 x 100 = 200

5 0
2 years ago
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Jose an airline pilot, flies 1,350 miles a day.how many miles will he fly in 8 days?
AURORKA [14]
10,800 :) 8 multiplied by 1,350 would give you 10,800 miles.
6 0
3 years ago
LCM of 900 and 400 plz show step by step​
OLga [1]

Answer:3,600

Step-by-step explanation:

Find the Prime factorization of 400: 2x2x2x2x5x5

Find the Prime factorization of 900: 2x2x3x3x5x5

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3 years ago
Write 25.72 correct to one decimal place
hichkok12 [17]
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3 years ago
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At Denver International Airport, 86% of recent flights have arrived on time. A sample of 11 flights is studied. What is the vari
notsponge [240]

Answer:

s^2=1.32

Step-by-step explanation:

-This is a binomial probability distribution problem.

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\sigma^2=np(1-p)

#We substitute the given parameters in the formula to solve for variance:

\sigma^2=np(1-p)\\\\\\=11\times 0.86(1-0.86)\\\\=1.324\approx1.32

Hence, the sample variance is 1.32

5 0
3 years ago
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