Suppose you randomly draw two cards from a standard deck of playing cards. What's the probability of drawing a four of clubs, and then drawing a seven of hearts?With Replacement:

Without Replacement:

Answers

Answer 1

Answer: If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

A) 13/52 * 12/51 = ?

B) 13/52 * 13/52 = ?

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2x - 4y = 20
x =4
a. 4, -2
b. 4, 3
c. 4, 4
d. 4, -3

Answers

D. 4, -3 Because you plug in 4 for the x and 2•4 is 8, then you subtract 8 from both sides of the equal sign. (20-8=12) then you’re left with -4y = 12 divide by -4 on both sides of the equal sign, and y= -3 (and you’re already given the value of x)

I’m dumb and need helpIs -2 a solution to x < -2? Is -2 a solution
to x < -2? Explain your answers.

Answers

Answer:

See below.

Step-by-step explanation:

x < -2 means that x is any number that is less than -2.

Is -2 less than -2? Answer: No.

A number is equal to itself. A number is not greater than itself or less than itself.

When the solution to an inequality is x < -2, the only values of x that are valid are numbers less than -2. -2 itself is not a valid solution.

Answer:

Step-by-step explanation:

Hmmm ok so yes but i can not explain it

Can someone help me figure this out? The explanation gave me no idea on how to do this.

Answers

by solving both equations:
(x^4 + 5x^2 -36) = 0 (2x^2 +9x-5)=0
(x^2 -4) ( x^2 +9) = 0 (2x-1) ( x+5) = 0
(x-2) (x+2) (x^+9) = 0 (2x-1) (x+5) = 0
So from this w get :
x = 2 , -2
x= 1/2
x = -5
x= 3i , -3i
and write them in the cells

A blimp can be seen flying at an altitude of 5500 feet above a motor speedway during a race. The slanted distance directly to the pagoda at the startdashfinish line is d feet. Express the horizontal distance h as a function of d.