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statuscvo [17]
3 years ago
15

Did open the drawer containing t-shirts. There are five white t-shirts, three blue t-shirts, two red t-shirt, and two gray t-shi

rts. If Jed picks a shirt at random what is the probability he will pick a white or a blue shirt? *
Mathematics
1 answer:
Damm [24]3 years ago
3 0

Answer:

8 out of 12

Or

2 out of 3

Step-by-step explanation:

Since you're asking for the probability of picking either shirt, you'd add the amounts of both white and blue shirts, then add the total amount of shirts together to get the whole.

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What is ∑n=16[4(−5)n−1] equal to?<br><br> Enter your answer in the box.
Cerrena [4.2K]

Step-by-step explanation:

Geometric Sequence formula for general term:

an = a1(r^n-1)

a1 = 4 × (-5)^1-1

a1 = 4

r = -5

Summation formula for geometric sequence :

Sn = a1 ( 1 - r^n / 1 - r )

...<em>take n from the top of the summation.</em>

= 4 ( 1 -(-5)^6 / 1 -(-5)

= -10416.

4 0
2 years ago
PLEASE HELP!
Mariana [72]
-----------------------------------------------
Information Given:
-----------------------------------------------
ON = 7x - 9
LM = 6x + 4
MN = x - 7
OL = 2y - 7

-----------------------------------------------
Since it is a parallelogram:
-----------------------------------------------
ON = LM and
MN = OL

-----------------------------------------------
ON = LM:
-----------------------------------------------
7x - 9 = 6x + 4

-----------------------------------------------
Subtract 6x from both sides:
-----------------------------------------------
x - 9 = 4

-----------------------------------------------
Add 9 to both sides:
-----------------------------------------------
x = 13

-----------------------------------------------
MN = OL:
-----------------------------------------------
x - 7 = 2y - 7

-----------------------------------------------
Sub x = 13:
-----------------------------------------------
13 - 7 = 2y - 7

-----------------------------------------------
Simplify:
-----------------------------------------------
6 = 2y - 7

-----------------------------------------------
Add 7 on both sides:
-----------------------------------------------
13 = 2y

-----------------------------------------------
Divide by 2:
-----------------------------------------------
y = 13/2

-----------------------------------------------
Answer: x = 13, y = 13/2 (Answer D)
-----------------------------------------------


6 0
3 years ago
7b<br> Evaluate when b= -1<br> b-3
tiny-mole [99]

Answer:

b-3

-1-3

-4

is the correct answer

5 0
3 years ago
What is the completely factored form of x4y – 4x2y – 5y?
Lady_Fox [76]
If you would like to write x^4y - 4x^2y - 5y in a completely factored form, you can do this using the following steps:

x^4y - 4x^2y - 5y = y * (x^4 - 4x^2 - 5) = y * (x^2 + 1) * (x^2 - 5)

The correct result would be <span>y * (x^2 + 1) * (x^2 - 5).</span>
4 0
3 years ago
Read 2 more answers
A bag has 3 red rocks, 4 green rocks, 3 blue rocks, 3 speckled rocks,
jolli1 [7]

Answer:

3/17 or 17.64%

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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