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romanna [79]
3 years ago
13

In one 8-hour day,5 barbers gave a total of 120 haircuts.The barbers gave the same number of hair cuts per hour.How many haircut

s did each barber give per hour?
Mathematics
2 answers:
Andrews [41]3 years ago
8 0
3 per hour for each barber
liubo4ka [24]3 years ago
7 0
8=120 x/8=120=8(120) =960
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The area of a square is 50 meters. how long is each side? round your answer to the nearest meter.
DanielleElmas [232]
The closest would be 7
7x7 is 49 and that is the closest
8 0
3 years ago
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Cell phone plan A costs 79 per month and comes with a free 500 phone. Cell phone plan B costs 50 per month but does not come wit
meriva

Answer: it will take 25 months

Step-by-step explanation:

Let x represent the number of months that it will take for the cost of both plans to be the same.

Cell phone Plan A costs $70 per month and comes with a free $500 phone. This means that the total cost of x months with plan A would be

70 × x = $70x

Cell phone plan B costs 50 per month but does not come with a phone. If you buy the 500 phone and choose plan B, then the total cost of x months with plan B would be

500 + 50 × x = 500 + 50x

To determine the number of months until your cost is the same as Plan A's, we would equate both costs. It becomes

70x = 500 + 50x

70x - 50x = 500

20x = 500

x = 500/20 =25

8 0
3 years ago
A machine at a graphic design studio produces paper labels for juice bottles. This graph represents the number of labels produce
Jobisdone [24]

Answer:

Option B, would be the correct answer: 75 labels per minute

Step-by-step explanation:

The number of labels produced per minute would be a constant value which would be the slope of this graph represented above.

Slope = \frac{rise}{run}

Slope = \frac{150}{2}

Slope = 75

Hope this helps!

6 0
3 years ago
Read 2 more answers
Information on a sample of 362 college students is collected. The complete dataset is available at StudentSurvey. We see that 27
pishuonlain [190]

Answer:

So, we conclude that the best estimate for the difference in the proportion of smokers is 4.4%.

Step-by-step explanation:

We know that 27 of the 193 males in the sample smoke while 16 of the 169 females in the sample smoke.  

We have the following proportion:

27:x=193:100\%\\\\193x=27\cdot 100\\\\193x=2700\\\\x=\frac{2700}{193}\\\\x=13.9\%

So we get that 13.9% of men smoke.

We have the following proportion:

16:x=169:100\%\\\\169x=16\cdot 100\\\\169x=1600\\\\x=\frac{1600}{169}\\\\x=9.5\%

So we get that 9.5% of women smoke.

We get: 13.9%-9.5%=4.4%.

So, we conclude that the best estimate for the difference in the proportion of smokers is 4.4%.

6 0
3 years ago
A researcher believes that there is a difference in how cautious male stray cats and female stray cats are when approaching peop
Anika [276]

Answer:

The null hypothesis is that there is no difference in the mean number of male and female cats

H₀; μ₂ - μ₁ = 0

Step-by-step explanation:

The given parameters are;

The given percentage of male stray cat population = 50%

The given percentage of female stray cat population = 50%

The number of areas the researcher visits, n = 15

The number of stray male cats he finds = 11

The kind of test to be performed = Sign test

The significance level, α = 0.05

A) Therefore the null hypothesis is H₀; μ₂ - μ₁ = 0

The alternative hypothesis is Hₐ; μ₂ - μ₁ ≠ 0.

5 0
3 years ago
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