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Ksju [112]
3 years ago
11

Lindsay got her haircut the cost of a haircut for $16 if she wants to tip for hairstylist 20% how much does she leave for the ti

p
Mathematics
1 answer:
gtnhenbr [62]3 years ago
5 0

Answer:

$3.20

Step-by-step explanation:

I hope this helps.

Sorry if I'm wrong.

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Enter the pair of fractions 6/7 and 13/14 with the smallest common denominator between the two fractions
fredd [130]

Answer:

25/14

Step-by-step explanation:

4 0
3 years ago
What's 5 to the fourth power over 5
Zarrin [17]
It would be 625 because 5 to the fourth power is 5×5×5×5×5 which is equal to 3,125 and then it would be 3,125 over 5 which is 3,125÷5 which is equal to 625 so the answer would be 625
4 0
3 years ago
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 60 o
krok68 [10]

Answer:

a) 99.7% of the widget weights lie between 45 and 75 ounces

b) 97.2% of the widget weights lie between 50 and 75 ounces

c) 84% of the widget weights lie above 55

Step-by-step explanation:

The Empirical Rule states that:

50% of the values of a measure is above the mean, and the other 50% is below the mean.

99.7% of the values of a measure lie between 3 standard deviations of the mean.

95% of the values of a measure lie between 2 standard deviations of the mean.

68% of the values of a measure lie between 1 standard deviations of the mean.

In this problem, we have that: The widget weights have a mean of 60 ounces and a standard deviation of 5 ounces.

(a) 99.7% of the widget weights lie between

3 standard deviations of the mean, so:

60 - 3*5 = 60 + 3*5 = 45 and 75 ounces

(b) What percentage of the widget weights lie between 50 and 75 ounces?

We have to find the percentage that are below 75 and subtract by the percentage that are below 50. So

75 is 3 standard deviations above the mean. So 99.7% of the measures are below 75.

50 is 2 standard deviations below the mean. So only 5% of the measures that are below the mean are below 50.

So

99.7% - (50%)5% = 99.7% - 2.5% = 97.2%

(c) What percentage of the widget weights lie above 55?

55 is one standard deviation below the mean.

50% of the widget weights are above the mean.

Of the 50% that is below, 68% lie between one standard deviation(So from 55 to 60)

So

50% + 68%(50%) = 84%

3 0
3 years ago
How many 2s are 120
sammy [17]

Answer: 2 can go into 120 60 times.

Step-by-step explanation:

120/2 = 60

6 0
3 years ago
Read 2 more answers
34+x=54 koji je rezultat od x
IgorLugansk [536]
~Hello There!~

34 + x = 54
x = 54 - 34
x = 20

Hope This Helps You!
Good Luck :)
Have A Great Day ^_^

- Hannah ❤
7 0
3 years ago
Read 2 more answers
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