3 years ago

What's is the proablity of drawing a black card or any ten on a single random draw from a standard 52-card deck

1 answer:

8 0

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lozanna [386]

2/3x4 =8/12
3/4x3 =9/12

8/12+9/12=17/12
17/12=1 5/12

1+2+1 5/12 = 4 5/12

5 0

3 years ago

Airida [17]

1/15

1/3 chance of getting elf, 1/5 chance of getting magic so the chance of getting both is 1/3x1/5=1/15

3 0

3 years ago

Serggg [28]

The standard form:

$Ax+By=C$

The point-slope form:

$y-y_1=m(x-x_1)$

m - slope

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (6, 1) and (5, 4). Substitute:

$m=\dfrac{4-1}{5-6}=\dfrac{3}{-1}=-3$

$y-1=-3(x-1)$ use distributive property

$y-1=-3x+3$ add 1 to both sides

$y=-3x+4$ add 3x to both sides

$\boxed{3x+y=4}$

7 0

3 years ago

FromTheMoon [43]

16:64
5:x (Cross Multiply)
16x = 64*5
16x = 320 (Then Divide both sides by 16 to isolate x)
x= 20

5 0

3 years ago

marta [7]

Answer:

What statements? Just a sentence from this?

Step-by-step explanation:

3 0

3 years ago