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Viefleur [7K]
3 years ago
13

Willa and her friend decide to hang out at her friend’s house after basketball practice on Friday to listen to a new album by th

eir favorite band. They have a great time listening to the music and Willa deliberately ignores texts from her dad. When she gets home, her dad is really upset with her. He didn’t know where she was. He has a rule that he needs to know where she is and that she has to ask permission before she goes anywhere. Willa thinks that since she’s in eighth grade, she shouldn’t have to do this anymore. Her dad should trust her more. Willa tells her dad that she’s not a little kid anymore and storms off to her room and slams the door.
Mathematics
2 answers:
Gelneren [198K]3 years ago
8 0
Willa needs an attitude adjustment. Dad is right.
Ulleksa [173]3 years ago
5 0
What is the Q? When you are in 8th grade you are not an adult.
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C. Action: Divide both sides by 3.
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Two fraction add up to 9/10. One fraction is 17/20. What is the other fraction
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3 years ago
Assume the heights in a male population are normally distributed with mean 70.3 inches and standard deviation 4.1 inches. If a r
klemol [59]

Answer:

73.1 inches

Step-by-step explanation:

We solve for this using z score formula.

z-score is z = (x-μ)/σ,

where x is the raw score,

μ is the population mean

σ is the population standard deviation.

x = unknown = randomly selected male's height

μ = 70.3 inches

σ = 4.1 inches

z = is not given but we are given its percentile which is 75

The z score for a 75th percentile = 0.674

Hence,

0.674 = x - 70.3/4.1

Cross Multiply

0.674 × 4.1 = x - 70.3

2.7634 = x - 70.3

x = 70.3 + 2.7634

x = 73.0634 inches

The height of the randomly selected male = 73.0634

Therefore, the height of the randomly selected male to the nearest tenth of an inch is 73.1 inches

7 0
3 years ago
Kela wants to visit a friend who lives 8 kilometres away. She'll ride the Subway as she can before walking the rest of the way.
Alenkinab [10]

Answer:

Kela will be able to travel for 7 stops before her money runs out.

Step-by-step explanation:

Since Kela wants to visit a friend who lives 8 kilometers away, and she'll ride the subway as she can before walking the rest of the way, and she needs to buy an access pass that costs $ 5.50 and there is also a fee of $ 1.25 for each stop, if Kela doesn't want to spend more than $ 15 on the trip, to determine the largest number of stops she can afford, the following calculation must be performed:

(15 - 5.5) / 1.25 = X

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4 0
3 years ago
What’s 40 41 42 43 44 45 46 47 48 49 50 IQR pls fast!!!!!
aliina [53]

Answer:

IQR = 6

Step-by-step explanation:

Given:

The given set of data is:

40 41 42 43 44 45 46 47 48 49 50

Number of terms, n=11

Therefore, the median is given as (\frac{n+1}{2})^{th} term which is the sixth term. Median = 45

(40 41 42 43 44) <u>45</u> (46 47 48 49 50 )

Now, we find the median of the lower half (Q_1) and upper half (Q_3)of the data that are before and after the median.

The lower half of the data has the values 40 41 <u>42</u> 43 44.

Number of terms are 5. So, median is the third term which is, Q_1=42

The upper half of the data has the values 46 47 <u>48</u> 49 50.

Number of terms are 5. So, median is the third term which is, Q_3=48

Now, IQR is given as the difference of upper half median and lower half median.

IQR=Q_3-Q_1\\IQR=48-42=6

4 0
3 years ago
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