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yawa3891 [41]
2 years ago
13

Kate spun the spinner 75 times and landed on 330 times what is the experimental probability as a percentage

Mathematics
1 answer:
Law Incorporation [45]2 years ago
6 0
30% not completely sure though because the numbers got smashed together and I'm confused on what it actually says. I am assuming it meant landed on 3, 30 times. (mark brainiest if you can I need to level up)
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Independence and Exclusiveness are two topics which are important to probability and often confused. Discuss the difference betw
Pavlova-9 [17]

Answer:

Independent means that one has no effect on the other. Exclusive means one cannot happen alongside the other. In simpler terms, independent events can be thought of as the chance it'll rain and how many people are flossing their teeth in the morning. Both happen, but neither one impacts the other.

Exclusive, on the other hand, means only one can happen. Lets say at nine in the evening your favorite show is on. However, you have an early morning and should be asleep by nine. You cannot both be asleep and watching your favorite show, and so these events are exclusive.

7 0
3 years ago
Suppose that 11 inches of wire costs 66 cents. at the same rate, how much (in cents) will 4 inches of wire cost?
Andre45 [30]
24 cents.

11/66= 6
4/x= 6
4•6= 24
(proportions)

hope this is clear :))
7 0
4 years ago
I need help with all of them and if you can't help with all of them just answer one of them please. Look at the picture
likoan [24]
All you have to do is substitute the y value from the 1st equation into the second equation and solve...

a) y= 2-x
5x + 4y = 5

Substitute (2-x) into the second equation anywhere there is a y...

5x + 4y = 5
5x + 4(2-x) = 5

Now solve

5x + 8 - 4x = 5
5x - 4x + 8 = 5
x + 8 = 5
x = -3

Now that you have a solution for x, substitute -3 into either of the original equations anywhere there is an x then solve for y...

y = 2 - x
y = 2 - (-3)
y = 2+3 = 5

You solved for x and got -3 and solved for y and got 5, so your solution set is
(-3, 5).

Now check it by substituting both numbers into one of the original equations and you should have a true statement if it is correct...

y = 2 - x
5 = 2 - (-3)
5 = 2+3
5 = 5

True statement... it checks!


note* during the check, if the equation would have worked out to something like 2 = 5, then that is a false statement therefore the solution set would be wrong and you'd have to go back and find the mistake.
5 0
3 years ago
C) P, Q, and R are prime numbers such that<br> 3 * P + 7 * Q + 15 * R = 102.<br> What is Q?
lana66690 [7]

Answer:

Q = 3

Step-by-step explanation:

3 * P + 7 * Q + 15 * R = 102

7Q = 102 - 3P - 15R

Q = (102 - 3P - 15R)/7

Try P = 2; R = 3

Q = 51/7 not an integer

Try P = 2; R = 5

Q = 21/7 = 3

Solution: P = 2; Q = 3; R = 5

Answer: Q = 3

5 0
3 years ago
Read 2 more answers
#4: STEM While resting, a human takes in about 5 liters of air In 30 seconds. At this rate, how many liters of air does he take
AlexFokin [52]

Answer:

25

Step-by-step explanation:

divide 150 by 30 to find how many times 30 goes into 150. Your answer should be 5. Then times 5 by 5 to get 25. a resting human can take in 25 liters of air in 150 seconds.

hope this helps :3

if it did pls mark brainliest

5 0
3 years ago
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