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Ipatiy [6.2K]
3 years ago
10

There are 80 sixth graders, 90 7th graders, and 70 8th graders at your school. Every student gets entered in a raffle. What is t

he probability that a 7th grade student will win the raffle?
Mathematics
1 answer:
Basile [38]3 years ago
3 0

Answer:

P(seventh grade winner) = 3/8

Step-by-step explanation:

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The sum of three consecutive even integers is 72. Let x represent the first integer x+2 represent the second integer and x+4 rep
satela [25.4K]

72 = x + x+2 + x+4

72 = 3x+6

66 = 3x

x = 66/3 = 22

1st number = 22

2nd number = 22+2 = 24

3rd number = 22+4 = 26

3 0
3 years ago
I need help with this question (Trigonometry)
Solnce55 [7]
A)2.8
b1) 4.5/2.8
b2)impossible because if you want to do trigonometry you can't have that is an angle (Which is 148.1) larger than 90 degrees.
but if its angle BAF then the angle would be 2.8/5.3
c)41.32
8 0
4 years ago
Find the missing coordinate to complete the​ ordered-pair solution to the given linear equation.
ad-work [718]
Y=7x+1

*note that the first number is always the x. 
so, 

a) (0,?)
    y=7(0)+1
    y=1
    (0,1)

b) (3,?)
    y=7(3)+1
    y=21+1
    y=22
    (3,22)
6 0
3 years ago
Read 2 more answers
Which statement is true about this function h(x) = 2^x-5
Marysya12 [62]

Answer:

\frac{1}{32} x

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The box plots show the weights, in pounds, of the dogs in two different animal shelters.
zimovet [89]

*see attachment below for the box plots that is being referred to

Answer:

*The median weight for shelter A is greater than that for shelter B

*The data for shelter B are a symmetric data set

Step-by-step explanation:

Let's take each stated option and examine the box plot to see which is TRUE or NOT.

OPTION 1: "The median weight for shelter A is greater than that for shelter B."

The median for shelter A = 21,

Median for shelter B = 18

Median weight for shelter A (21) is greater than that for shelter B.

This statement in this option is TRUE.

OPTION 2: "The median weight for shelter B is greater than that for shelter A."

Median for B (18) < median of A (21)

This statement in option is NOT TRUE.

OPTION 3: "The data for shelter A are a symmetric data set."

This is NOT TRUE because the length of both whiskers are unequal and also, the box is not divided equally. One side is longer than the other.

OPTION 4: "The data for shelter B are a symmetric data set."

This is TRUE because the length of both whiskers are relatively equal, and also, the rectangular box is divided equally.

OPTION 5: "The interquartile range for shelter A is 8"

This is NOT TRUE.

IQR = Q3-Q1

IQR for shelter A is approximately  = 28-17 = 11

5 0
3 years ago
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