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slamgirl [31]
2 years ago
13

There are 3 red marbles in a bag of 12 marbles. A larger bag has a total of 26 marbles, including 7 red marbles. Are the chances

of choosing a red marble from each bag the same?
Mathematics
1 answer:
qwelly [4]2 years ago
8 0
Short answer: No

Explanation: if you bring the fractions down as low as possible, the first bag has a 1 in 4 chance of getting a red marble. The 2nd bag can't be brought down anymore because 26 and 7 do not share any common divisors.
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Find P (3, then 5) when spinning twice
DaniilM [7]
P(3) = 1/8
P(5)=1/8
Events are independent.
P(3, then 5) = 1/8 *1/8 =1/16
Answer is 1/16.
5 0
2 years ago
Robert made a large pancake that weighed 3/4 pound. He ate 7/16 pound of pancake. What fraction of the whole pancake did he eat?
olga_2 [115]

Answer:

7/4

Step-by-step explanation:

the question already mentioned that he ate 7/4 pound of the pancake

5 0
3 years ago
Brittany and Natalie, start cycling together from their home to school, which is 14.4 miles away. Natalie takes 40 minutes to re
prohojiy [21]

Answer:

7.2

Step-by-step explanation:

1. Natalie needed 40 minutes to get to school. In hours 40 minutes is 40/60= 2/3 hour (because there are 60 minutes in an hour). so her speed is 14.4/(2/3)= 14.4*3/2= 21.6 mph.

2. Britany needed 40+20= 60 min. 60 min= 1 hour. so she needed 1 hour her speed is 14,4/1= 14.4mph

3. The difference 21.6-14.4=7.2 is the answer .

3 0
3 years ago
Evaluate the expression: 2 1/4 - 3/6
Reika [66]

Answer:

Answer will 19/4 hope it helps

6 0
3 years ago
Read 2 more answers
Find the measure of the missing angle using the triangle angle sum theorm
klasskru [66]

Answer:

31°

Step-by-step explanation:

The theorem states that all angle sums of any triangle add up to 180°.

128 + 21 = 149, and to find ?°, subtract 149 from 180 to get 31°.

8 0
3 years ago
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