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Georgia [21]
3 years ago
9

Kebdra has a bag containing 15 marbles. She has 3 white, 8 red, 3 blue 1 green. She randomly picks a marble from the bag and the

n replaces it. She repeats this 300 times. What is the probability the marble will be red?
Mathematics
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

8/15

Step-by-step explanation:

because there are 8 red marbles out of 15 marbles

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Marice mows the lawns on Saturday. Last week it took him 5 1/2 hours to finish. This week it took only 5 hours. How many times l
Anna35 [415]

5.5 + x = 5
one half
6 0
3 years ago
2115-0830 in millitary time please and thank you so much if i get it right
neonofarm [45]

Answer:

2115 = 9:15 PM

0830 = 8:30 AM

Step-by-step explanation:

12 - hour conversion.

7 0
3 years ago
Which relation is a function?
yKpoI14uk [10]

Answer:

C

Step-by-step explanation:

if you don't have from same x different outcomes is a function

think that x is a day you count votes, you can not get for the same day different y number of votes ( something is fishy then)

A. not a function because (6, -3) and (6, 3)

B. not  a function because (4,7) and (4,2)

C. is a function

D. not a function because (2, -1) (2,1) (2,3)

4 0
3 years ago
Eve is making a bird house. To make the walls she takes a piece of wood and cuts it into 4 pieces in the ratio 5:6:6:7. The long
allsm [11]

Answer:

The original piece of wood is 108 cm

Step-by-step explanation:

From the given ratio, the shortest is of the ratio 5 and the longest is of the ratio 7

Let the original piece of wood be x

so the sum of the ratios will be;

5 + 6 + 6 + 7 = 24

the shortest length would be 5/24 * x

= 5x/24

the longest will be 7/24 * x = 7x/24

From the question;

7x/24 -5x/24 = 9

(7x-5x) = 24(9)

2x = 24(9)

x = (24 * 9)/2

x = 108 cm

4 0
3 years ago
Help me solve for z, step by step if you can
zheka24 [161]

Answer:

z=6

Step-by-step explanation:

z/3 + 1/2 = 5/2

Subtract 1/2 from each side

z/3 + 1/2-1/2 = 5/2-1/2

z/3 = 4/2

z/3 =2

Multiply each side by 3

z/3*3 = 2*3

z = 6


5 0
3 years ago
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