3 years ago

Evaluate the expression 10C4

1 answer:

4 0

The number of combinations of 10 different things taken 4 at a time is: $\frac{10!}{4!(10-4)!}=\frac{10\times9\times8\times7}{4\times3\times2\times1}=210$
The answer is: 210

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In geometric progression, the ratio of each number to the preceding one is the same. Which is an example of a geometric progress

devlian [24]

It would be A because this sequence has a factor of 2 between each number

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2 years ago

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You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

alina1380 [7]

You may have $26 I not a genius but this is easy

3 0

3 years ago

Which inequality represents the values of that ensure triangle exists? a triangle with these side lengths: AC = 18 units, BC = 6

erastovalidia [21]

AC = 18

BC = 6x

AB = 2x + 4

Write and solve:

18 + 6x + 2x + 4

18 + 8x + 4 = 180

You can solve further:

18 + 8x = 176

8x = 158

x = 19 & 3/4

Not 100% sure what the question is asking, but hopefully this helps.

5 0

2 years ago

The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs $3. There is 1 winning ticket out

matrenka [14]

Answer:

A) 0.54

B) 4.32

C) 2.4

D) 336

Step-by-step explanation:

A)Expected value (you) = (84 × 3) × $\frac{1}{140}$ × (0.3)× $\frac{139}{140}$

= 0.54

B) Expected value (you) 8 tickets = 0.54 × 8

= 4.32

C) Expected value ( for PTO) = ( 3 - 84) × $\frac{1}{140}$ + ( 3 - 0 ) × $\frac{139}{140}$

= 2.4

D) For 140 raffle tickets = 2.4 × 140

= 336

4 0

2 years ago

Question Progress

KIM [24]

Answer:

4 7 12. 19 28 then and is 39

4 0

2 years ago