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MariettaO [177]
4 years ago
13

To win a trivia game, Nevan must score 90 points.

Mathematics
1 answer:
NikAS [45]4 years ago
7 0

Answer:

Step-by-step explanation:

For correct questions

1 correct questions = 1 3/4 points

1 correct question = 7/4 points

Since he got 58correct questions, tgw total points he earned will be;

58 × 7/4

= 406/4

= 101.5points

For incorrect questions

1 incorrect question = -14points

22 incorrect = -14×22

22incorreft = -308points

Total points gained/lost =-308+101.5

Total points lost = -206.5

Since Nevan has a negative point of -206.5, this means that he lost.

He scored -206.5points

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Divide 6 by 1.98 and thats your answer
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Ella says the answer to $79 ÷ 4 is $19.30. What did she do wrong?
Mamont248 [21]

Answer:

19.75

Step-by-step explanation:

while she divided the remainder 3 (then you bring down the 0) she accidentaly put 30 in 19.30 so thats why

while the correct way is to keep going with the equation until you have no remainder

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3 years ago
According to the data released by the Chamber of Commerce of a certain city, the weekly wages of factory workers are normally di
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Complete question :

a. Of less than$720?

b. Of more than $840?

c. Between $680 and $760?

Answer:

0.500 ; 0.0013 ; 0.6827

Step-by-step explanation:

Given that :

Mean, μ = 720

Standard deviation, σ = 40

P(Z < x)

x = (x < 720)

Obtain the standardized value of x

P(x < 720) = (x - μ) / σ

P(x < 720) = (720 - 720) / 40

P(x < 720) = 0

P(Z < 0) = 0.5

B.) More than $840

P(x > 840)

P(x > 840) = (x - μ) / σ

P(x > 840) = (840 - 720) / 40

P(x > 840) = 120 / 40 = 3

P(Z > 3) = 0.0013499 (Z probability calculator)

c. Between $680 and $760?

P(760 < x < 680)

P(760 < x < 680) = ((x - μ) / σ) - ((x - μ) / σ)

P(760 < x < 680) = ((760 - 720) / 40) - (680 - 720) / 40)) = P( Z < - 1) - P(Z < - 1)

P(680 < x < 760) = 0.84134 - 0.15866 = 0.68268

3 0
3 years ago
At which angle will the hexagon rotate onto itself?
bija089 [108]
The answer should be 360/6 = 60 degrees
8 0
4 years ago
At soccer camp, Belle spent 30 minutes practicing defense and 1 hour and 15 minutes shooting. If the camp ended at 12:15 P.M., w
SVEN [57.7K]

Answer:

10:30 A.M.

Step-by-step explanation:

12:15 P.M. -

01:15 =

11:00 A.M. -

00:30 =

10:30 A.M.

3 0
3 years ago
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