A spinner with 10 equally sized slices has 2 red slices, 4 yellow slices, and 4 blue slices. The dial is spun and stops on a slice at random. What is the probability that the dial stops on a red slice?

Answers

Answer 1

Answer:

The probability that the dial stops on a red slice, when it is spun and stops on a slice at random is 1/5.

How to get probability of an event?

Probability of an event is the ratio of number of favorable outcome to the total number of outcome of that event.

A spinner with 10 equally sized slices has 2 red slices, 4 yellow slices, and 4 blue slices.

The total number of slices is 10 and the total number of favorable outcome to get a red slice is 2. Thus, the probability that the dial stops on a red slice is,

$P=(2)/(10)\nP=(1)/(5)$

Thus, the probability that the dial stops on a red slice, when it is spun and stops on a slice at random is 1/5.

Learn more about the probability here;

brainly.com/question/24756209

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Answer 2

Answer:

Answer: 5

Step-by-step explanation: with these problems you're supposed to add all the numbers and then you divide it by the number you're asking to find the probability of so 10/2=5

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On a particular day, the wind added 2 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 2 miles per hour from her rate on her return trip. Jaime found that in the same amount of time she could row 44 miles with the wind, she could go only 36 miles against the wind.What is her normal rowing speed with no wind?

Answers

Answer:20

Step-by-step explanation:

Given Wind speed is 2 mile/hr

Let jamie speed be x km/hr

Also she covered 44 miles with wind in time t

$44=\left ( x+2\right )t$

Against the wind

$36=\left ( x-2\right )t$

divide the two equations

$(44)/(36)=(x+2)/(x-2)$

11x-22=9x+18

x=20 miles/hr

It is 40 because it gives you the even rate inbetween each of them

There are 100 pennies in a dollar what fraction of a dollar is 61 pennies write it as a fraction , as a decimal and in word form

Answers

fraction decimal word form
61/100 0.61 61 out of 100

A man invests a certain amount of money at 2% interest and $800 more than that amount in another account at 4% interest. At the end of one year he earned $112 in interest. How much money was invested in each account?Which of the following equations could be used to solve the problem?

A.)0.02x + 0.04(800) = 112
B.)0.02x + 0.04(x + 800) = 112
C.)0.04x + 0.02(x + 800) = 112

Answers

.02x+.04*2x=112
.02x+.08x=112
.10x=112
x=112/.10
x=$1,120 invested @ 2%.
2*1,120=$2,240 amount invested @ 4%.
Proof:
.02*1,120+.04*2,240=112
22.4+89.6=112
112=112

A.) 0.02x + 0.04(800) = 112

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What is the slope of the ordered pair?(6,-12) (15,-3)

a. 2
b. -1
c. -2
d. 1

Answers

The answer would be d

d.1

Step-by-step explanation:

because

-3-(-12)=9

15-6=9

9÷9=1

The number of T-shirts a basketball team orders depends on the number of players on the team. **Remember: THE OUTPUT depends on THE INPUT

Answers

The total of T-shirts is proportional to the total of players, which means 15 players = 15 t-shirts.

What is a proportion?

A proportion describes the number of elements from one category compared to the number of elements in another. For example, if there are 15 boys and 15 girls in a classroom the number of girls and boys is proportional.

How are the number of t-shirts and players related?

These have a proportional relationship because for every player it is expected there is a determined t-shirts number and this number can only increase if the players increase.

1 t-shirt per player:

36 players = 36 t-shirts

2 t-shirts per player:

36 players = 72 t-shirts

Learn more about proportions in brainly.com/question/2534088

If PQ = 21 cm and QR = 5, then what are the possible lengths for PR so that PQ,QR and PR can form a triangle? Explain your reasoning

Answers

Please see the pic, I'd solved in it.

So we are given the measurements of two sides of a Triangle:
(write down the given to be clear)
PQ=21 cm
QR=5 cm
But one very important thing:
As Aman said, the length of PR would definitely not be greater than the sum of the other two sides/legs....
Why? Because then it gives a STRAIGHT LINE!
which means: PR will be less than that sum
PR<sum of PQ and QR
PR<21+5
PR<26
Time for Pythagoras Theorem!
We can now split it into Two ways, since we dont know if PR is just a leg or the hypotenuse of the triangle:
And therefore:
Assuming PR is a leg:
(PQ seems to be the larger number)
PQ²=PR²+QR²
21² =PR²+5²
21²-5²=PR²
√21²-5²=PR
20.396 cm=PR
≈20.4 cm
20.4≤PR<26 (which means it can be 20.4 as well, but not any lower as it is very obvious)
Assuming that PR is the hypotenuse:
PR²=PQ²+QR²
PR²=21²+5²
PR=√21²+5²
PR=21.587 cm≈ 21.6 cm
21.6≤PR<26
So basically, the length can be 21.6 itself or higher.

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