Answer:
Step-by-step explanation:
With replacement of the first ball
P(first ball is red and the second is green) =7/19 * 9/19= 63/361=.175
without replacement (14 total balls in the urn on the second draw)
P(first ball is red and the second is green) =7/18 * 9/18= 63/324=.194
Answer:
28x+8y+2
Step-by-step explanation:
the answer is 28x+8y+2 because a math calculator said so (m a t h w a y)
Answer:its long b ut i hope it helps:)
Step-by-step explanation:
EVALUATE
(x−1)(x+2)(x+4)
Tick mark Image
SOLUTION STEPS
P(x)=(x+4)(x+2)(x−1)
Apply the distributive property by multiplying each term of x+4 by each term of x+2.
(x
2
+2x+4x+8)(x−1)
Combine 2x and 4x to get 6x.
(x
2
+6x+8)(x−1)
Apply the distributive property by multiplying each term of x
2
+6x+8 by each term of x−1.
x
3
−x
2
+6x
2
−6x+8x−8
Combine −x
2
and 6x
2
to get 5x
2
.
x
3
+5x
2
−6x+8x−8
Combine −6x and 8x to get 2x.
x
3
+5x
2
+2x−8
EXPAND
x
3
+5x
2
+2x−8
Tick mark Image
EVALUATE
(x−1)(x+2)(x+4)
Tick mark Image
SOLUTION STEPS
P(x)=(x+4)(x+2)(x−1)
Apply the distributive property by multiplying each term of x+4 by each term of x+2.
(x
2
+2x+4x+8)(x−1)
Combine 2x and 4x to get 6x.
(x
2
+6x+8)(x−1)
Apply the distributive property by multiplying each term of x
2
+6x+8 by each term of x−1.
x
3
−x
2
+6x
2
−6x+8x−8
Combine −x
2
and 6x
2
to get 5x
2
.
x
3
+5x
2
−6x+8x−8
Combine −6x and 8x to get 2x.
x
3
+5x
2
+2x−8
EXPAND
x
3
+5x
2
+2x−8
Tick mark Image
SOLUTION STEPS
P(x)=(x+4)(x+2)(x−1)
Apply the distributive property by multiplying each term of x+4 by each term of x+2.
(x
2
+2x+4x+8)(x−1)
Combine 2x and 4x to get 6x.
(x
2
+6x+8)(x−1)
Apply the distributive property by multiplying each term of x
2
+6x+8 by each term of x−1.
x
3
−x
2
+6x
2
−6x+8x−8
Combine −x
2
and 6x
2
to get 5x
2
.
x
3
+5x
2
−6x+8x−8
Combine −6x and 8x to get 2x.
x
3
+5x
2
+2x−8
A.) Let x be the number of swimming lessons she had, then
402 - 15x = 237
b.) 15x = 402 - 237 = 165
x = 165/15 = 11
She had 11 swimming lessons
c.) Let the number of lesson she had be y, then 19y = 237
y = 237/19 = 12 lessons
She can pay for 12 lessons with her remaining $237.
6 goodie bags. 6 is the greatest common factor of 54 and 36.
<span>9 tickets and 6 posters in each bag.</span>