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olasank [31]
3 years ago
6

Question 1 of 5 The Ridgeport school district collected data about class size in the district. The table shows the class sizes f

or five randomly selected kindergarten and seventh-grade classes. Number of students in randomly selected class Mean Mean absolute deviation Kindergarten 18, 20, 21, 19, 22 20 1.2 27, 32, 33, 33, 35 32 2 Seventh grade Based on these data, which statement is true?
sorry I couldn't fit the answer in it ​

Mathematics
2 answers:
exis [7]3 years ago
6 0

Answer:

C is the correct answer

Step-by-step explanation:

amid [387]3 years ago
6 0

Answer:

a. the average size of a seventh-grade class is larger and varies more than that of a kindergarten class.  

Step-by-step explanation:

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Passes through (3,5) and (-1,5)
AlladinOne [14]
Presumably we're being asked for the line which passes through (3,5) and (-1,5) which is simply y=5.


3 0
3 years ago
A parachute speed during a free fall reaches117 miles per hour What is the speed in feet per second At the speed how many feet w
qwelly [4]

Answer:

Speed is 171.6 ft/s and distance is 1716 feet

Step-by-step explanation:

Given that,

The speed of a parachute = 117 miles per hour.

1 mph = 1.47 ft/s

117 mph = 171.6 ft/s

We need to find the distance it travel during 10 s. We know that the distance covered is equal to the product of speed and time taken. So,

d = vt

d=171.6\ ft/s\times 10\ s\\\\=1716\ \text{feet}

Hence, this is the required solution.

3 0
3 years ago
There are 20 20 coins in a jar. Each coin is either a nickel or a quarter. If one of the coins is selected at random, the probab
sveta [45]

Answer: there are 8 quarters in the jar

Step-by-step explanation:

Let x represent the number of nickels that is inside the jar.

The total number of coins inside the jar is 20.

Probability is expressed as

Number of possible or favorable outcomes/total number of outcomes.

The probability of selecting a nickel is 0.6. This is expressed as

0.6 = x/20

Cross multiplying, it becomes

x = 20 × 0.6

x = 12

Since there are 12 nickels inside the jar, then the number of quarters would be

20 - 12 = 8

3 0
3 years ago
18 months is the same as 1.5 years.
creativ13 [48]
One year has 12 months therefore...

18/12 = 1 6/12 = 1 1/2

1 1/2 is equivalent to 1.5

True
7 0
3 years ago
Find the slope of f(x)=5x-4
frosja888 [35]

Answer:

5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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