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FrozenT [24]
3 years ago
6

A jar contains 18 marbles that are all the same size. It contains 7 purple, 3 green, and 8 orange marble. What is the probabilit

y of picking a green marble? Type your probability as a fraction in the simplest form.​
Mathematics
2 answers:
miss Akunina [59]3 years ago
7 0

Answer:

1/6

Step-by-step explanation: You just have to put 18 as the denominator and any number of marbles as the numerator.

Igoryamba3 years ago
3 0

Answer:

1/6

Step-by-step explanation:

3 out of 18 marbles are green. 3/18 can be reduced to 1/6 because both 3 and 18 are divisible by 3.

3/3=1

18/3=6

1/6

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frozen [14]

Answer:

8 ft i think there is't much context to go off of though

Step-by-step explanation:

7 0
3 years ago
The area of the circle shown below is 100π. What is the diameter (D) of the circle?
Phoenix [80]
\bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\
-----\\
A=100\pi 
\end{cases}\implies 100\pi =\pi r^2
\\\\\\
\cfrac{100\pi }{\pi }=r^2\implies 100=r^2\implies \sqrt{100}=r\implies \boxed{10=r}

since a diameter is twice as long as the radius, this one is also 2r.
8 0
3 years ago
Read 2 more answers
Simplify completely'''​
r-ruslan [8.4K]

Answer:

\displaystyle \frac{x + 2}{x - 1}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Factoring

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle \frac{7x^2 + 11x - 6}{7x^2 - 10x + 3}<u />

<u />

<u>Step 2: Simplify</u>

  1. [Fraction] Factor numerator:                                                                           \displaystyle \frac{(x + 2)(7x - 3)}{7x^2 - 10x + 3}
  2. [Fraction] Factor denominator:                                                                      \displaystyle \frac{(x + 2)(7x - 3)}{(x - 1)(7x - 3)}
  3. [Fraction] Divide:                                                                                              \displaystyle \frac{x + 2}{x - 1}
6 0
3 years ago
5. What is the value of the missing angle?
kotykmax [81]

Answer:

If there is a 105 try that one. It makes since that it's 105 or 75.

5 0
3 years ago
If f(x) = x² - 2x, find:<br> ƒ(6) = [ ? ]
zhannawk [14.2K]

<u>Answer:</u>

24

<u>Step-by-step explanation:</u>

To find ƒ(6), we have to substitute x = 6 into the expression for ƒ(x):

ƒ(6) = (6)² - 2(6)

      = 36 - 12

      = 24

7 0
2 years ago
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