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Rom4ik [11]
3 years ago
6

Mr. Bryant is trying to figure out which class project to work on for community service. He surveyed the junior and senior stude

nts about their preferred project. The frequency table shows the responses of the students.
Juniors Seniors Total
Park Cleanup 30 26 56
Food Kitchen 50 34 84
Clothing Drive 10 50 60
Total 90 110 200

Determine the joint frequency of being a senior and wanting to have a park cleanup. Explain what this answer represents.
Mathematics
1 answer:
son4ous [18]3 years ago
7 0

Answer:

Juniors are more likely to wanting to have a park cleanup then Seniors. This makes them more likely to attend and participate in it.

Step-by-step explanation:

Since the Junior total is larger than the Senior total it shows that the Juniors are more likely to attend the park clean up.

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What is the scale factor?
son4ous [18]
Scale factor is 9/15 or 3/5 in simplest form, and I think x would equal 10.
8 0
3 years ago
7n+5=96 so what is the answer
Wittaler [7]

Answer:

n = 13

Step-by-step explanation:

7n + 5 = 96

Subtract 5 from both sides to get rid of the 5 on the right side:

7n + 5 - 5 = 96 - 5

7n = 91

Divide both sides by 7 to get rid of the coefficient of n:

7n / 7 = 91 / 7

n = 13

6 0
3 years ago
Read 2 more answers
100 fifth graders are going on a field trip by buses. Each bus holds 24 students. How many buses will they need to take all fift
babunello [35]

Answer:

5

Step-by-step explanation:

24×4=96

96+4=100 students

8 0
3 years ago
What is 4.62 expressed as the quotient of two integers in simplest form?
erik [133]
Multiply 4.62 by a number that to get an integer.
Such as multiply by 5 is 23.10 so to get rid of 0.1, just multiply by 50 then it becomes 231.

so that means...
4.62 = 231 / 50

or a simple answer would be multiply by 100, then you get 462.

so....
4.62 = 462 / 100
And then simplify, it is divisible by 2 so the answer is 231/50
4 0
3 years ago
What are the roots of this equation?
Katyanochek1 [597]

Answer:

x = 2 ± (i)√5  (Answer b)

Step-by-step explanation:

x²-4x+9=0 can be solved in a variety of ways; the first two that come to mind that are also appropriate are (1) completing the square and (2) using the quadratic formula.

Completing the square is fast here:

Rewrite x²-4x+9=0 as   x²-4x                    +9=0

Identify the coefficient of the x term:  it is -4

Take half of that, obtaining -2

Square this result, obtaining 4

Add 4 to   x²-4x                    +9=0, in the blank space in the middle, and then subtract 4:      x²-4x +4          -4         +9=0

Rewrite           x²-4x +4 as the square of a binomial:

                          (x - 2)² - 4 + 9  = 0  →    (x - 2)²  = -5

Take the square root of both sides:       x - 2  = ±√(-5)  =  ± (i)√5

Then x = 2 ± (i)√5

4 0
3 years ago
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