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cricket20 [7]
3 years ago
5

Elizabeth works part-time to help pay for college. She has worked for the last 14 days without a day off for a total of 48 hours

. Depending on her schedule, she either worked for 3 hours a day or 4 hours a day. During the 14 day period, how many days did Elizabeth work for 4 hours a day?
A) 4
B) 5
C) 6
D) 7
Mathematics
2 answers:
Flura [38]3 years ago
4 0
I think it's C. 6

Hope this helps:)

P.S.Can you mark me brianlylest plz? Plz plz plz
Zinaida [17]3 years ago
3 0
The answer if I am correct should be C. 6, since if you divide forty-eight by two you get twenty-four. Twenty-four divided by four equals six, and twenty-four divided by three equals eight, eight is the number that would be the remaining amount of days. Hope this helps you and have an amazing day!
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Solve the problem (9-6)+12
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Step-by-step explanation:

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It's greater then 1 and 10. I don't think it's possible for it to be less then 10, but it can be.
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Given the equation -5x+2y=-10 what is the equation of the line perpendicular to the line?
meriva

Answer:

The equation of the perpendicular line would be y = -2/5x - 1

Step-by-step explanation:

In order to find this line, we must first find the slope of the original line. We do this by solving for y.

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This shows us a slope of 5/2. TO find the perpendicular slope, we use the opposite and reciprocal. This means we negative 5/2 to get -5/2 and then we flip it to get -2/5. Now that we have this, we can use the slope and the point in point-slope form to get the equation.

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4 0
3 years ago
john and jack found a coin on the sidewalk. they argued about whether the coin is fair. john claimed a 40% chance for the coin t
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Here:

we can use 1 sample proportion test to check the claim of John

H₀ : p₀ = 0.4

H₁ : p₀ ≠ 0.4

Test statistic is

z = p - p₀/√p₀(1-p₀)n

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1-p₀ = 1-0.4

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since it is observed that I z I = 3.464 > 1.96 it is concluded that the null hypothesis is rejected.

Therefore we reject John's claim.

Learn more about Null hypothesis here:

brainly.com/question/15980493

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