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love history [14]

2 years ago

7

a box contains 2 purple marbles, 9 orange marble and seven yellow marble. if you pick 2 without looking wha is the probability t

hat both will be orange

2 answers:

Ulleksa [173]2 years ago

7 0

Angood job

swer:

Step-by-step explanation:

aleksandr82 [10.1K]2 years ago

6 0

15.384615

2+2+9 = 13

13/100 equals69.230 multiply by two for your anaswer

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Answer:

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Step-by-step explanation:

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2 years ago

On a coordinate plane, a curved line with a minimum value of (negative 2.5, negative 12) and a maximum value of (0, negative 3)

motikmotik

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2 years ago

A group of students formed a circle during a game.The circumference of the circle was about 43.96 feet,and the diameter of the c

Alchen [17]

Answer:

A group of students formed a circle during a game.The circumference of the circle was about 43.96 feet,and the diameter of the circle was 14 feet.Which expression best represents the value of π?

The expression which represents the value of π is option C from the attachment that is π = 43.96/14

Step-by-step explanation:

Given:

Circumference of the circle = 43.96 feet

Diameter f the circle = 14 feet

So,

We know that :

Circumference of the circle = $2(\pi )r$ or $(\pi)d$

Re-arranging the formula:

⇒ $(\pi)d = Circumference\ (C)$

⇒ $(\pi )d =C$

⇒ $\frac{\pi\times d}{d}=\frac{C}{d}$

⇒ $\pi =\frac{C}{d}$

Plugging the numeric values:

⇒ $\pi =\frac{43.96}{14}$

So the expression for π is 43.96/ 14,and option C is the correct choice.

4 0

2 years ago

Evaluate sin(Arcos(-9/√145)).

tino4ka555 [31]

Use the fact that $\sin x = \sqrt{1-\cos^2 x}$ to solve it.

$\sin(\arccos(-\frac{9}{\sqrt{145}}))=\sqrt{1-\cos^2(\arccos(-\frac{9}{\sqrt{145}}))} =\\= \sqrt{1-(-\frac{9}{\sqrt{145}})^2}=\frac{8}{\sqrt{145}}$

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2 years ago

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Select all the expressions that are equivalent to –25(15 – 20d + 5c).

lbvjy [14]

Are there any choices to this problem?

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2 years ago