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3 years ago

HELP ASAP

Mathematics

1 answer:

Gnom [1K]3 years ago

4 0

Answer:

(-1--2)/(4-2) = 1/2

y+1 = (1/2)(x-4) from plugging in (4,-1) but you could have used either point

2y+2 = x-4

2y = x-6

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A deck of ordinary cards is shuffled and 13 cards are dealt. What is the probability that the last card dealt is an ace?

alexandr1967 [171]

Answer:

The probability that the last card dealt is an ace is $\frac{1}{13}$ .

Step-by-step explanation:

Given : A deck of ordinary cards is shuffled and 13 cards are dealt.

To find : What is the probability that the last card dealt is an ace?

Solution :

There are total 52 cards.

The total arrangement of cards is 52!.

There is 4 ace cards in total.

Arrangement for containing ace as the 13th card is $4\times 51!$ .

The probability that the last card dealt is an ace is

$P=\frac{4\times 51!}{52!}$

$P=\frac{4\times 51!}{52\times 51!}$

$P=\frac{4}{52}$

$P=\frac{1}{13}$

Therefore, the probability that the last card dealt is an ace is $\frac{1}{13}$ .

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3 years ago

What is 7 1/2% of 60?

polet [3.4K]

Answer:

the answer is 4.5. hope this helps

5 0

3 years ago

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frozen [14]

Answer:

Step-by-step explanation:

3 0

3 years ago

Math please help :)!!!

77julia77 [94]

Answer:

36, 8.5

Step-by-step explanation:

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7 0

3 years ago

Right equation of the line that passes through (-1,5) and has a slope of 3 in point slope form.

MrRissso [65]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1\\
% (a,b)
&&(~ -1 &,& 5~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 3
\\\\\\
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\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-5=3[x-(-1)]
\implies 
y-5=3(x+1)$

7 0

3 years ago