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Sedbober [7]
3 years ago
10

The equation of the line of best fit relating age (in years, x) and the median height (in cm, y) of boys is given.

Mathematics
2 answers:
shtirl [24]3 years ago
8 0

Answer:

160 cm

Step-by-step explanation:

y=6.5(13)+75.5

y=160 cm

Or about 5.2ft

Black_prince [1.1K]3 years ago
5 0
I love your profile pic
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Indira is using a number line to add Negative 1 + (negative 3). She begins by showing –1 on the number line, as shown below.
jarptica [38.1K]
Answer= -4

-1+-3=-4

Step by step-
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Moesha needs $79 for a class trip. She already has $22 and she can earn the rest by babysitting for 8 hours. If h represents her
elena55 [62]

Answer:

79-22=8h

Step-by-step explanation:

She can earn the rest by babysitting for only 8 hours,

so take 22 from 79, divide the total by 8 and that is how much she gets per hour (8h)

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Which quadratic rule represents the data in the table?
NeX [460]
Since there are already choices in the question, I suggest you just substitute in the values of x to each choice and check whether the corresponding value for y appears. This is also called the trial and error method in multiple choice.

The answer that represents the data in the table is C. <span>y = x^2 – 5.</span>
3 0
3 years ago
There were 150 females surveyed, evenly divided for all levels of expertise. there were 450 males surveyed. there were 80 expert
dlinn [17]

The values which would help complete the table according to the complete part of the task content are as evaluated.

<h3>What value would help complete the table?</h3>

First, the total number of average players can be evaluated by summing up the total number of players vertically as follows;

180 + average + 80 = 600

The number of average players is therefore; 600-180-80 = 340 average players.

Also, the number of female expert players can be evaluated vertically as;

50 + 50 + female expert = 150

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Male novice + 50 = 180

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brainly.com/question/28008666

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4 0
2 years ago
Calculate the mean given the frequency table
ratelena [41]

Answer:

15.6

Step-by-step explanation:

First, multiply the midpoint of each class by its frequency, as follows:

            Class      midpoint   frequency   midpoint*frequency  

            0-9         4.5             24                4.5*24 = 108

            10-19      14.5            20                14.5*20 = 290

            20-29    24.5           32                24.5*32 = 784

Total                                      76               1182

The mean is computed as the division between the addition of the "midpoint*frequency" column by the addition of "frequency" column.

mean = 1182/76 ≈ 15.6

 

5 0
3 years ago
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