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Cerrena [4.2K]
3 years ago
7

In mr. Klein's class, 40% of the students are boys. What decimal represents the portion of the students that are girls

Mathematics
2 answers:
Papessa [141]3 years ago
6 0
The answer is 0.6

Apparently I need 20 characters so this sentence is spam

alexira [117]3 years ago
6 0
I think the answer is .6, because if 40% of the students are boys, then 60% of the students are girls. 60% as a decimal is .6. Hope this helps!
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Answer: $4.70 per meter.
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At pizza express it takes 6 cups of cheese to make 15 pizzas. At perfect pizza it takes 4 cups of cheese to make 6 pizzas. If th
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Pizza Express has a larger constant of proportionality than Perfect Pizzas because <u><em>1.6 > 1.5</em></u>

15/6        6/4

<em>   Simplify</em>

<u>5/3    >    3/2</u>

<em>PE: 5/3 or 1.6</em>

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4 0
4 years ago
On average, Tanner has noticed that 22 trains pass by his house daily (24 hours) on the nearby train tracks. What is the probabi
blondinia [14]

Answer:

0.11069

Step-by-step explanation:

We will assume that the trains pass by his house following a uniform distribution with values between 0 and 24. The probability of a train passing on a 9-hour time period is 9/24 = 3/8 = 0.375. Lets call Y the amount of trains passing by his house during that 9-hour period. Y follows a Binomail distribution with parameters 22 and 0.375.

P(Y ≤ 5) = P(Y = 0) + P(Y=1) + P(Y=2) + P(Y=3) + P(Y=4) + P(Y=5) =

{22 \choose 0} * 0.375^0*(1-0.375)^{22} + {22 \choose 1}*0.375^1*(1-0.375)^{21} +\\\\{22 \choose 2} * 0.375^2*(1-0.375)^{20} + {22 \choose 3}*0.375^3*(1-0.375)^{19}  + \\{22 \choose 4} * 0.375^4*(1-0.375)^{18} + {22 \choose 5}*0.375^5*(1-0.375)^{17} = 0.11069

I hope that works for you!

4 0
3 years ago
I need help with a question
kondaur [170]
What question do you need help with
5 0
3 years ago
A group of 15 teenagers owes $75 at a pizza parlor. If they split the bill evenly, how much will each person owe?
Kipish [7]

Answer:

$5 each teenager

Step-by-step explanation:

divide 75 by 15

7 0
2 years ago
Read 2 more answers
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