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3 years ago

Lenox ironed 1/4 of the shirts over the weekend. She plans to split the remainder of the work equally over the next 5 evenings.

Mathematics

2 answers:

erica [24]3 years ago

5 0

So 3/4 are left now divide that by the nest 5 evenings

MrMuchimi3 years ago

4 0

3/20, or 0.15 of the shirts each evening

1 - 1/4 = 3/4

(3/4) / 5 = (3/4) / (5/1) = (3/4) x (1/5) = 3/20 = 0.15

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Select the correct answer. Which sentence correctly describes a data set that follows a normal distribution with a standard devi

Artyom0805 [142]

Answer: Option (c) is correct.

68% of the data points lie between 10 and 18.

Step-by-step explanation: Given : a normal distribution with a standard deviation of 4 and a mean of 14

We have to choose the sentence that correctly describes a data set that follows a normal distribution with a standard deviation of 4 and a mean of 14.

Since, given 68% data.

We know mean of data lies in middle.

And standard deviation is distribute equally about the mean that is 50% of values less than the mean and 50% greater than the mean.

So, 68% of data lies

mean - standard deviation = 14 - 4 = 10

mean + standard deviation = 14 + 4 = 18

So, 68% of the data points lie between 10 and 18.

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2 years ago

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goldenfox [79]

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3 years ago

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Nady [450]

Answer:

1 $\frac{3}{4}$

Step-by-step explanation:

To find the answer, we divide the number of apples by the number of bags. This means we do 7 ÷ 4

7 ÷ 4 = 1.75

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3 years ago

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Solve the equation: 9 (x − 9)−3 = −4 (2x + 4) 4 -4 100 68

Nina [5.8K]

Answer:

Step-by-step explanation:

Applying BODMAS here;

We first solve what is in the brackets:

9x - 81 -3 = -8x - 16

We then put the like terms together:

9x + 8x = -16 + 81 + 3

We then do the addition:

17x = -16 + 84

We then do the subtraction:

17x = 68

Simplifying this gives:

x = $\frac{68}{17}$ = 4

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3 years ago

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Flura [38]

Answer:

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Step-by-step explanation:

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2 years ago