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Zinaida [17]
2 years ago
6

Ajar has 20 marvels three green 12 blue five real what is the probability of randomly choosing a red and then a green marble

Mathematics
1 answer:
laila [671]2 years ago
3 0

The answer is 3 I work it out

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Help pls asap!! No links.
algol [13]

Answer:

Step-by-step explanation:

1. Do what is inside the parantheses

4^{2} +3+2\\16+3+2 = 21

7^{2} +3(21)

2. Simplify both terms

7^{2} =49\\3(21) = 63\\49+63

3. Solve

49+63 = 112

7 0
2 years ago
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When a mathematician writes QED at the end of a proof, what does this
blondinia [14]

(C)

Step-by-step explanation:

Q.E.D means "quod erat demonstrandum" indicating that the proof is completed.

6 0
3 years ago
CAN SOMEONE PLEASE HELP ASAP!?? I RLLY NEED THIS
Sindrei [870]

Answer:

109 degrees

Step-by-step explanation:

Since we can see that the line on the top, the one across the yellow box, is the main one, and that one measures 180*, so that means that we have to just subtract 180 by 71, and that will be our answer!

180-71 =109

So, the angle of the missing angle is 109 degrees.

Another proof that this is your answer is that 109 degrees is obtuse, and we can easily say that the angle here is also obtuse.

3 0
2 years ago
Use the formula you just learned to help you complete the following. A circle’s diameter is approximately 14 cm.
damaskus [11]

Answer:

A= 7

B= 154

Step-by-step explanation:

A: the radius is half of the diameter

B: pie*radius to the second power

3 0
3 years ago
Grandma made an apple pie. Josh and his brother joe finished 4/5 of it. Then 3 friends came over and shared the left over. How m
love history [14]

Answer:

The 3 friends ate 1/5 of the pie.

Step-by-step explanation:

The total of this pie is 5/5 so if Josh and his brother ate 4/5 of the pie that means that there was 1/5 pie left so that is what the 3 friends ate.

Hope I helped :)

4 0
3 years ago
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