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zaharov [31]
3 years ago
6

The pass marks pf a mathematics test is 75% what percentage is the fail marks?

Mathematics
1 answer:
photoshop1234 [79]3 years ago
7 0

Answer:Marks below 75%

Step-by-step explanation:

Since the pass marks is 75%,the fail marks should be Marks below 75%

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Factorize 2mh-2nh-3mk+3nk ​
Nookie1986 [14]

Answer:

(2h-3k)(m-n)

Step-by-step explanation:

factor by grouping, you can group the first two terms and the last two terms:

2h(m-n) + (-3k)(m-n)

there will be one factor in common, use that factor in combination with the factors that are not duplicated:

(2h-3k)(m-n)

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2 years ago
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According to the empirical rule, if the data form a bell-shaped normal distribution, __________ of the observations will fall wi
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Answer:

95%

Step-by-step explanation:

The empirical rule states that if data follows normal distribution then the percentage of observations falls within one, two and three standard deviation around the mean are

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3 years ago
im almost done with this hw. plz help!!! give explanation if you actually know the answer so ik u dont just want points
solong [7]

Answer:

i belive it is answer  B

Step-by-step explanation:

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3 years ago
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Which model shows 20%?
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The bottom model shows 20%
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At the movie theatre, child admission is $5.50 and adult admission is $8.90. On Friday four times as many adults tickets as chil
scoray [572]

Answer:

You can use grouping, quantity and value to solve this question.

Child admission = $5.50

Adult admission = $8.90

Friday sales (Quantity):

Child = x

Adult = 4x

Total sales = 5x

Friday sales (Value):

Child = $5.50

Adult = 4 × $8.90

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Total sales = $986.40

1 group = $5.50 + $35.60

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Number of groups = $986.40 ÷ $41.10

                               = 24

The number of child tickets sold is 24.

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2 years ago
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