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bezimeni [28]
3 years ago
12

Mr. Osborne needs two students to help him with a demonstration. He decides to draw two names out of a bag to make things fair.

There are 9 girls and 12 boys in his class. What is the probability that he draws the names of two boys?
Mathematics
2 answers:
Vladimir79 [104]3 years ago
8 0
Yes thrust if forest
Dovator [93]3 years ago
8 0
Answer: 2/21

Number chosen out of the total in the set.
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How do I convert the letter in an answered equation into a number, for example the answer 8.50246E6
Pie

Answer:

1Step-by-step explanation:

1 + IS 1 AND ITS 1

6 0
2 years ago
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At the end of October, Jane's credit card balance was $1,200. On November 16, she made $500 of purchases. On November 26, she pa
Elodia [21]

Answer:

Average day end balance using weighted average = $1,316.667

Average day end balance using simple average = $1,050

Step-by-step explanation:

Provided opening balance = $1,200

During the month addition in such balance = $500

New balance as on 16 November = $1,200 + $500 = $1,700

Further by the end of month of November balance after payment = $1,700 - $800

= $900

Thus, opening balance = $1,200

Closing = $900

Simple average = \frac{1,200 + 9,00}{2} = 1,050

Day end balance = $1,050

For this weighted average can be done

First 15 days balance = $1,200 as no transaction was done.

From 16  to 25 November balance increased by $500 = $1,700 for 10 days

Remaining days = 5 days = $1,700 - $800 paid = $900

Using weighted average we have

\frac{(1,200 \times 15) + (1,700 \times 10) + (900 \times 5)}{30} = \frac{39,500}{30} = 1,316.667

Day end balance = $1,316.667

3 0
3 years ago
How many inches are in 4 meters?
solong [7]

Answer:

157.48

Step-by-step explanation:

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6 0
3 years ago
Pls help me solve this​
Elodia [21]
Volume = Area of triangle x length


Area of triangle = 1/2 x base x height

Area of triangle = 1/2 x 5 x 4

Area of triangle = 10


Volume = area of triangle x length

Volume = 10 x 12

Volume = 120 cm^3
8 0
2 years ago
a produce store sells 63 apples if the ratio of red apples to green apples was sold was 7 to 2 what is the combined amount of re
Hitman42 [59]

here is the answer I just took a picture because I already answered this for someone eles

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3 years ago
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