3 years ago

.Joline collects hockey cards.

Mathematics

1 answer:

shusha [124]3 years ago

3 0

Answer:

25 Cards

Step-by-step explanation:

If 5 cards is 20% and you only need 5 more then that means you have the other 80%. So you 20 80/20 which is 4. Then do 4x5=20 then add the 5 you still need.

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10 men and 5 women are meeting in a conference room. Four people are chosen at random from the 15 to form a committee. (a) What

nata0808 [166]

Answer:

Step-by-step explanation:

Given

There are 10 men and 5 women in a conference room

total People=15

(a)Probability that the committee consists of 2 men and 2 women

we have to select from 10 men and 5 women

$P=\frac{^5C_2\times ^{10}C_2}{^{15}C_4}$

(b)Bob and Jane end up on the same committee

as bob and Jane are necessary to include so there are 4 women and 9 men left to select remaining 2 person

$P=\frac{^{13}C_2}{^{15}C_4}$

(c)Bob is in the committee but Jane is not

9 men and 4 women left to choose other 3 person

$P=\frac{^{13}C_3}{^{15C_4}}$

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3 years ago

Simplify (7x+42)/(x^2+13x+42)

Colt1911 [192]

$\frac{7x+42}{x^2+13x+42}= \frac{7(x+6)}{x^2+7x+6x+42}= \frac{7(x+6)}{x(x+7)+6(x+7)}= \frac{7(x+6)}{(x+6)(x+7)}= \frac{7}{x+7}$

7 0

3 years ago

Read 2 more answers

Which expressions have a quotient of 3/5

Aloiza [94]

Answer:

3/5 = 3/5

= 0.6

6 0

3 years ago

Drag the tiles to the correct boxes to complete the pairs.

Shalnov [3]

Answer:

its 29

Step-by-step explanation:

6 0

3 years ago

What's the lowest point of the graph of 10y + 30 = x?

inna [77]

The lowest must be ,,,,,when x=0
so
10y+30=0
10y=-30
y=-3
So your answer is (0, -3)

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3 years ago