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DedPeter [7]
2 years ago
11

There are 10 students in a class. The teacher chooses 3 students to go to the

Mathematics
1 answer:
Bingel [31]2 years ago
3 0

Answer:

D

Step-by-step explanation:

Since the order does not matter, then it is a combination question,

So you just use the combination technique,

10C3 = 10!/(10!(10-3)!) = 120 ways

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By showing your work what is the answer to 0.96÷0.144=
gayaneshka [121]


Recognize that both 0.96 and 0.144 are divisible by 12:

(0.96/12) / (0.144/12) = 0.08 / 0.012.  This reduces to 0.02 / 0.003, or
20/3 or approx. 6.666.

You could also begin by eliminating the decimal fractions.  Mult. 0.96 and 0.144 each by 1000 results in 960/144.

Since both 960 and 144 can be divided evenly by 24, we get 40 and 6.
40/6 = 20/3, or approx. 6.666, as before.
7 0
3 years ago
HELP ME I NEED HELP I DO NOT UNDERSTAND THIS :')
AlekseyPX

Answer:

-1 I think sorry if its wrong

5 0
3 years ago
Read 2 more answers
Simplify (-7/8)(-3/4).
murzikaleks [220]

Answer:

<h2>21/32</h2>

Step-by-step explanation:

-7/8 × -3/4 = 21/32

-7 × -3   = 21  

-8 × -4   = 32

21/32

<u><em>IMPORTANT: This number is not negative, because a negative times a negative is a positive.</em></u>

By the way, if you didn't know how to arrive at the fraction here's how.

First, Address input parameters & values.

Input parameters & values: The decimal number = 0.65625. Then, write it as a fraction

0.65625/1

Multiply by 100000 both the numerator & denominator

(0.65625 x 100000)/(1 x 100000) = 65625/100000

65.625% = 65.625/100 or 65625/100000

Find LCM (Least Common Multiple) for 65625 & 100000.

3125 is the LCM for 65625 & 100000

Divide by 3125

65625/100000 = (65625 / 3125) / (100000 / 3125)

= 21/32

I'm always happy to help :)

8 0
3 years ago
If 4x−9y=−1 is a true equation, what would be the value of 6+4x−9y?
Alex17521 [72]

Answer:

5

Step-by-step explanation:

4x-9y= -1

so change 4x-9y to 1 in

6+(-1) = 5

6 0
3 years ago
Read 2 more answers
PLEASE HELP IT IS DUE AT 11:15
kodGreya [7K]

Answer:

35, 31, 25, 18

Step-by-step explanation:

10 x 7/2 = 35

10 + 7 + 14 = 31

8 1/3 x 6/2 = 25

4 1/3 + 5 1/3 + 8 1/3 = 18

5 0
2 years ago
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