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kotykmax [81]
2 years ago
5

Riverside Elementary School is holding a school-wide election to choose a school color. Five eighths of the votes were for blue,

five ninths of the remaining votes were for green, and the remaining 48 votes were for red. How many votes were for blue? How many votes for green?
Ask for details Follow Report by Deleted account 03/02/2015
Answers
hjlucas
Hjlucas Ambitious

1) Write out what you know
Blue: 5/8
Green: 5/9 (of 3/8 because it is the remaining parts) so 5/24
Red: 1 - (5/8 + 5/24) = 1/6
2) Find the total amount of people
You know that 1/6 of the population is 48, so the total population is 288 (48×6)
3) Multiply the total population by the fractions to get the number of votes
Blue: 288 × 5/8 = 180 votes
Green: 288 × 5/24 = 60 votes

Check: 180 + 60 + 48 = 288 votes

CAN ANYONE TELL ME HOW THEY CAME UP WITH THE 5/24's PLEASE???
Mathematics
2 answers:
Dmitry [639]2 years ago
6 0

Answer:


Step-by-step explanation:

You multiply 5/9 x 3/8= 15/72

reduce 15/72 to lowest term any you get 5/24

liberstina [14]2 years ago
3 0
First read it little by little like I did : )

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Explain how to find the product of 3/8 x 7/9 .Use complete sentences in your answer.
saw5 [17]

Answer:

When multiplying fractions together, you multiply the numerators togethers and the denominators together, unlike adding fractions together. To find this answer, you'd do 3 × 7 (for the numerator) and 8 × 9 (for the denominator), and then write the fraction (the answer) using your answers above.

I hope this helps!

7 0
2 years ago
f(x) = −16x2 + 24x + 16 Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 points) Part B: Is the vertex
DerKrebs [107]

Answer:

see below

Step-by-step explanation:

f(x) = −16x^2 + 24x + 16

Set equal to zero to find the x intercepts

0  = −16x^2 + 24x + 16

Factor out -8

0 = -8(2x^2 -3x-2)

Factor

0 = -8(2x +1) (x-2)

Using the zero product property

2x+1 =0    x-2 =0

x = -1/2      x=2

The x intercepts are -1/2   ,2

Since the coefficient of x^2 is negative the graph will open down and the vertex will be a maximum

The x value of the maximum is 1/2 way between the zeros

(-1/2+2) /2 = 1.5/2 =.75

To find the y value substitute into the function

f(.75) = -8(2x +1) (x-2)

        =-8(2*.75+1) (.75-2)

        = -8(2.5)(-1.25)

         =25

The vertex is at (.75, 25)

We have the zeros, and  the vertex.  We know the graph is symmetrical about the vertex

3 0
2 years ago
a student concluded that the solution to the equation sqrt 2x+1+3=0 is x=4 Do you agree? Explain why or why not.
Lina20 [59]

Answer:

  No.

Step-by-step explanation:

We assume you're concerned with

  \sqrt{2x+1}+3=0

The sum of a non-negative number and a positive number cannot be zero. The square root is always non-negative.


6 0
2 years ago
Read 2 more answers
Asha runs 5 meters every 2 seconds. How far does asha run after 3 seconds? After 5 seconds?
Brilliant_brown [7]

Answer:

2 1/2

Step-by-step explanation:

7 0
1 year ago
Read 2 more answers
Can someone help please??
Nady [450]

Answer:

The scores in order from least likely to most likely is 8, 3, 4, and 5.

Step-by-step explanation:

1. Calculate the probability of the spinner adding up to 1, 2, 3, 4, .... 8

You will get:

2 (1/16)

3 (2/16)

4 (3/16)

5 (4/16)

6 (3/16)

7 (2/16)

8 (1/16)

2. Given the scores from the problem, the probability of each number is 3 (2/16), 4 (3/16), 5 (4/16), and 8 (1/16).

3. With this, we can determine the scores in order from least likely to most likely is 8, 3, 4, and 5.

8 0
2 years ago
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