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artcher [175]
3 years ago
14

You have 10 green marbles, 30 white marbles, and 25 black marbles. What’s the probability of NOT selecting a green marble?

Mathematics
1 answer:
prohojiy [21]3 years ago
4 0

Answer

Its around 30% but their is about 55 other marbles

Step-by-step explanation:

You might be interested in
Find 3 consecutive even integers if their sum decreased by 10 equals -22
Orlov [11]
Three consecutive even integers can be represented by x, (x+2), and (x+4).

(x + (x + 2) + (x + 4)) - 10 = -22   Get rid of the parentheses
    x + x + 2 + x + 4 - 10 = -22   Combine like terms (x + x + x) and (2 + 4 - 10)
                               3x - 4 = -22   Add 4 to both sides
                                    3x = -18   Divide
                                      x = -6
Check you work.

x = -6
x + 2 = -4
x + 4 = -2

(-6 - 4 - 2) - 10 = 22
-12 - 10 = -22

So, your three integers are -6, -4, and -2 .
6 0
4 years ago
Let A be the area of a circle with radius r. If dr/dt=3, find dA/dt when r=2.
astraxan [27]
\bf \textit{area of a circle}=A=\pi r^2
\\\\\\
\cfrac{dA}{dt}=\pi \cdot 2r^1\cdot \cfrac{dr}{dt}\implies \cfrac{dA}{dt}=\pi \cdot 2r\cdot \cfrac{dr}{dt}\quad 
\begin{cases}
r=2\\
\frac{dr}{dt}=3
\end{cases}
\\\\\\
\cfrac{dA}{dt}=\pi \cdot 2(2)(3)
3 0
3 years ago
Read 2 more answers
What is the value of 3 in 136,422
aliina [53]
The three refers to 3 ten thousands.  or 3 x 10,000.
5 0
3 years ago
Read 2 more answers
I need help problem in the picture below
Firlakuza [10]

Answer:

The answer is three

Step-by-step explanation:

The formula to find the area is the width times the length. The area of the big rectangle is three times more than the smaller rectangle.

5 0
2 years ago
Sharon is preparing for a trip to Kuwait. She calculates that she will need $1,166 to be converted to Kuwaiti dinar. If the
Dafna11 [192]

Answer:

A

Step-by-step explanation:

Just multiply 1166 by 0.2879

6 0
3 years ago
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