3 years ago

You have a 1 in 4 chance of winning a game. How would you calculate the probability that you will win 3 times in a row?

1 answer:

8 0

If you have a 1/4 chance of winning, and you win, the next time you win the odds double to 1/8. If you win 1/8, then the odds of winning 3 times in a row are now 1/16, And so on.

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Use the substitution method to solve the system of equations. choose the correct ordered pair. 2x - y = 103x - 2y = 8

crimeas [40]

$2x-y=10\Rightarrow 2x-10=y \\ 
\Longrightarrow 3x-2y=8\Rightarrow 3x-2(2x-10)=8 \\ 
3x-4x+20=8 \\ -x=8-20=-12 \\ x=12 \\ \\ y=2(12)-10=24-10 \\ y=14 \\ \\ (x,y)=(12,14)$

8 0

3 years ago

According to the general equation for conditional probability, if P(A upside down u B)= 5/7 and P(B)=7/8 , what is P(A|B)?

natta225 [31]

$P(A | B) = \frac{P(A \cap B)}{P(B)}$

$P(A|B) = \frac{5/7}{7/8}$

$P(A|B) = \frac{5}{7} \div \frac{7}{8}$

$P(A|B) = \frac{5}{7}\times\frac{8}{7}$

$P(A|B) = \frac{5*8}{7*7}$

$P(A|B) = \frac{40}{49}$

7 0

3 years ago

In a right ABC with B and C complementary, sin B = p and cos B = q. What is sin C – cos C?

inna [77]

9514 1404 393

Answer:

q - p

Step-by-step explanation:

For complementary angles B and C, ...

cos(C) = sin(B) = p

sin(C) = cos(B) = q

Then the difference is ...

sin(C) -cos(C) = q - p

7 0

2 years ago

If you bought a stock last year for a price of $67, and it has risen 12% since then, how much is the stock worth now, to the nea

lisabon 2012 [21]

Answer:$75.04

Step-by-step explanation:

last year price=$67

12% of 67

12/100 x 67

(12 x 67) ➗ 100

804 ➗ 100=8.04

Since it has risen by 12%

There new price is 67+8.04=75.04

4 0

3 years ago

In rectangle ANGL, AN = 16 and AG = 34. Find the perimeter of ANGL.

Viktor [21]

In a rectangle, opposite sides are equal so you can multiply the side lengths by 2 and add them so 16(2)+34(2) and yu get 32+68. The perimeter is 100

8 0

3 years ago

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