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WINSTONCH [101]
3 years ago
15

What is the probability that a number selected at random from the set {2, 3, 7, 12, 15, 22, 72, 108} will be divisible by both 2

and 3 ? *
Mathematics
1 answer:
Dimas [21]3 years ago
4 0
Find how many numbers are divisible by two and three, then place that number above the total number of items in the set as a fraction. Like this:
\frac{Total-numbers -divisible-by-2-and-3}{Total-numbers-in-set}

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10 of the students in Miss Ransom‘s class play an instrument. These 10 students make up 40% of the class how ,many students are
Mashutka [201]

Answer:

250 students

Step-by-step explanation:

Given data

Let the total number of students be x

Number of students that plays instrument = 10

Hence

40% of x = 10

40/100*x= 100

0.4x=100

x=100/0.4

x= 250

Hence there are 250 students in total

3 0
3 years ago
What is the average rate of change of the function f(x) = 5x ^ 2 + 20x between x = 0 and x = 0.5
Vitek1552 [10]

9514 1404 393

Answer:

  22.5

Step-by-step explanation:

The average rate of change on the interval [a, b] is the ratio ...

  (f(b) -f(x))/(b -a)

For your function and interval, it is ...

  (f(0.5) -f(0))/(0.5 -0)

Since f(0) = 0, this reduces to ...

  average rate of change = 2·f(0.5) = 2(5(0.5)² +20(0.5)) = 2(5/4 +10)

  average rate of change = 22.5

8 0
3 years ago
A restaurant sold nine salads and 45 steaks. How many times as many steaks did they sell as salads
Margarita [4]
5 times as many stakes
5 0
3 years ago
Read 2 more answers
What is 2(c+7)=2c+14
liq [111]

2(c+7)=2c+14

Use distributive property

2*c +2*7

2c+14=2c+14

Hope it helps!

3 0
3 years ago
Cends 36 feet in 2 seconds. Express the rate of the​ parachutist's change in height as a unit rate.
djverab [1.8K]

Answer: 18 ft per second

Step-by-step explanation: 36 divided by 2

5 0
3 years ago
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