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Mazyrski [523]
2 years ago
12

Hi! if anyone can help me, it would be very nice :D

Mathematics
1 answer:
serious [3.7K]2 years ago
8 0

Answer:

Looks like all your answers and questions got deleted.....

Step-by-step explanation:

THIS IS WHAT I WAS TALKIN ABOUT

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An experiment consists of randomly selecting a marble from a bag, keeping it, and then selecting another marble. The bag contain
beks73 [17]

Answer:

13.33%

Step-by-step explanation:

First we need to find the total number of marbles

4 blue marbles+ 3 green marbles+ 7 red marbles+ 1 yellow marble= 15

The probability of a red marble = number of red marbles over the total marbles

P(red) = red/total = 7/15

We keep the marble.  There are now 6 red marbles

4 blue marbles+ 3 green marbles+ 6 red marbles+ 1 yellow marble= 14

We have 14 marbles in the bag

The probability of a blue marble = number of blue marbles over the total marbles

P(blue) = blue/total = 4/14 = 2/7

Then we multiply the probabilities together

P(red,blue0 = 7/15 * 2/7 = 2/15 =.13333333 = 13.33%

4 0
2 years ago
There are 12 boys and 12 girls in Trevor's math class. His teacher will randomly select one student to present a homework proble
quester [9]

Answer:

1/24

Step-by-step explanation:

1/24 bc there is 24 students in the class and the teachercould only choose 1 student

5 0
3 years ago
The points L(10,9) M(10,-5) N(-1,-5) and O(-1,9)  form rectangle L M N O Which point is halfway between O and N.
tensa zangetsu [6.8K]

Answer:

  C.)  (-1, 2)

Step-by-step explanation:

You can plot the points on a graph, or you can just find the midpoint:

  midpoint = (O + N)/2 = ((-1, 9) +(-1, -5))/2 = (-1-1, 9-5)/2 = (-2, 4)/2

  midpoint = (-1, 2)

3 0
3 years ago
Eva earned the following test scores in science: 82, 100, 96, 90, 91 Ms. Wade entered the next score as 0 because Eva was absent
slega [8]

Answer:

a) After adding the 0 test score, the mean would be the most appropriate measure of center to describe the data-------> is true

b) After adding the 0 test score, the mean would be affected-----> is true

c) After adding the 0 test score, the median would be the most appropriate measure of center to describe the data-----> is false

d) Before the missed test, Eva’s median score was 96-----> is false

e) Before the missed test, Eva’s median score was 91------ is true

f) Before the missed test, Eva’s mean score was 91.8-----> is true

Step-by-step explanation:

Hope this helps:)

3 0
2 years ago
Read 2 more answers
a store is giving away $10 coupons to every 7th person to enter the store and a $25 coupon to every 18th person too emter the st
almond37 [142]
7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119,126
18,36,54,72,90,108,126 

So the first person to get both of them is the 126th person
3 0
3 years ago
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