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Lilit [14]
2 years ago
11

7)Kevin paid $88.45 for a new pair of clippers. This

Mathematics
1 answer:
siniylev [52]2 years ago
7 0

Answer:

82.25

Step-by-step explanation:

It's hard to explain but all try so I can give you an answer not an explanation

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A golfer shot 2 rounds of -4 each and then shot2 rounds of 2 each. What was the golfers composite score?
irakobra [83]

Answer:

Step-by-step explanation:

all answers in here just scroll

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3 0
3 years ago
Which of the following are examples of inferential statistics?
alexgriva [62]
The answer is B. Testing random samples of wild animals to decide whether they are healthy
5 0
4 years ago
The following are questions from a self-quiz.According to some study, the height for Northern European adult males is normally d
lara [203]

Answer:

a) 0.064

b) 0.109

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 181 centimeter

Standard Deviation, σ = 7.3 centimeter

We are given that the distribution of height for Northern European adult males is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

a) P(person is between 160 and 170 centimeters)

P(160 \leq x \leq 170) = P(\displaystyle\frac{160 - 181}{7.3} \leq z \leq \displaystyle\frac{170-181}{7.3}) = P(-2.8767 \leq z \leq -1.506)\\\\= P(z \leq -1.506) - P(z < -2.8767)\\= 0.066 -0.002 = 0.064 = 6.4\%

b) P(person is higher than 190 centimeter)

P(x > 190)

P( x > 190) = P( z > \displaystyle\frac{190 - 181}{7.3}) = P(z > 1.2328)

= 1 - P(z \leq 1.2328)

Calculation the value from standard normal z table, we have,  

P(x > 190) = 1 - 0.891 = 0.109 = 10.9\%

7 0
3 years ago
Randy's bicycle tire has a diameter of 42 ccentimeters. Which is the closest to the circumference of one of the tires? Use 3.14
murzikaleks [220]

Answer:

131.88 centimeters

Step-by-step explanation:

diameter = radius*2

radius = 21

circumference =2*π*r

2*3.14*21= 131.88 centimeters

4 0
3 years ago
Fine the slope of the line perpendicular to the line graphed below
goldenfox [79]

Answer:

-\frac{1}{2}

Step-by-step explanation:

The slope of this line is 2 because the rise from one point is 2, and the run is 1. The change in y-value is divided by the change in the x-value which is 2/1, hence, the slope of the line being 2.

The slope of the line perpendicular to the one shown below will be -\frac{1}{2} because the slope that will result in a perpendicular line is the negative reciprocal of the original slope.

6 0
3 years ago
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