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STALIN [3.7K]
3 years ago
8

What is roster or set builder form?

Mathematics
1 answer:
Trava [24]3 years ago
4 0
<span>Roster form is a set of members placed between brackets, with each of the individual elements are separated by commas.
For example :
</span><span> {2, 4, 6, 8, 10, 12, ...}.</span>
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A stack of 9 different cards are shuffled and spread out face down. If 4 cards are tired face up, how many different 4-card comb
Juliette [100K]

Answer:

126.

Step-by-step explanation:

This is the number of combinations of 4 cards  from 9 cards:

= 9C4

= 9! / 4! 5!.

A quick way of calculating this is  

9*8*7*6

----------- =   9*2*7   =    126 combinations.

4*3*2*1

7 0
3 years ago
Find the area of the figures by counting the squares
statuscvo [17]

Answer:

Six

six

nine

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6 0
2 years ago
Arrange these fractions in ascending order: 3/4, 2/5, 3/8, 7/10, 11/20, 23/40. Please help it’s due tomorrow and I’m big dumb
disa [49]

Answer:

3/8, 2/5, 11/20, 23/40, 7/10, 3/4

Step-by-step explanation:

Just change them all to the same denominator and you're good. Put all of the fractions' denominators to 40 as that's the least common denominator. 3/4 turns into 30/40. 2/5 turns into 16/40. 3/8 turns into 15/40. 7/10 turns into 28/40. 11/20 turns into 22/40. And 23/40 stays as it is, because the denominator is already 40.

Putting them in order is now simple,

3/8 (15/40) <  2/5 (16/40) < 11/20 (22/40) < 23/40 < 7/10 (28/40) < 3/4 (30/40)

***When you multiply any fraction to change its denominator, multiply it by the same thing to the numerator as well.

Good Luck!

8 0
3 years ago
What is the measure of ∠H? <br>1. 115<br>2. 65<br>3. 50<br>4. 25
ddd [48]

Answer:

2

Step-by-step explanation:

Since FG is congruent to FH, angles FGH and FHG are congruent since angles opposite congruent sides in a triangle are congruent.

3 0
2 years ago
In the country of Apexistan, 7% of the population was unemployed in September of 2007. If there were 147,000,000 people willing
Natali [406]
147,000,000*7%=   10290000
8 0
3 years ago
Read 2 more answers
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