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GuDViN [60]
3 years ago
14

Find the experimental probability of randomly selecting a marble that is either green or purple. Write your answer in simplest f

orm.
Mathematics
1 answer:
EastWind [94]3 years ago
3 0
Green or purple = 10 prob(green or purple) = 10/30 = 1/3
You might be interested in
What is the value of the expression 4 2/5(-2.5)​
Jlenok [28]

Answer:

-0.64

Step-by-step explanation:

Given:

4[2/5(-2.5)]

Find:

Value

Computation:

⇒ 4[2/5(-2.5)]

⇒ 8 / [-12.5]​

⇒ -0.64

7 0
3 years ago
How to classify this conic ecwation 4x^2+9y^2-54y-63=0
MArishka [77]
This looks like an ellipse.
Complete the square for y: 9(y²-6y-7)=9(y²-6y+9-9-7)=9((y-3)²-16).
Rewrite the equation:
4x²+9(y-3)²-144=0; 4x²/144+9(y-3)²/144=1; x²/36+(y-3)²/16=1.
Standard equation of an ellipse is (x-h)²/a²+(y-k)²/b²=1, where (h,k) is the origin or centre.
This is the equation of an ellipse with centre (0,3), a=6 and b=4 (semimajor and semiminor axes).
6 0
4 years ago
Find the surface area of the following cone.
Amiraneli [1.4K]

Answer:

I think it is 381.7

Step-by-step explanation:

A= πr(+√h^2+r^2)

4 0
2 years ago
Yester the town of the bishop received 7/8 inch of snow today the town received 2/3 of yesterday's amount how much snow fell in
laiz [17]
First you start off by setting up a Subtraction problem there anything common denominators of 7/8 and two over three verse 7/8 you should get 21/24 invert to over three you should get 16/24 then you would subtract those two anyway to get 5/24 I hope that was helpful get it
7 0
4 years ago
Find an equation of the line passing through the given points. Use function notation to write the equation. ​(3​,8​) and ​(4​,13
Olegator [25]

Answer:

f(x)=5x-7

Step-by-step explanation:

The given line passes through the points;

(x_1,y_1)=(3,8)

and

(x_2,y_2)=(4,13)

Let us find the slope using;

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{13-8}{4-3}

m=\frac{5}{1}=5

The equation is given by;

y-y_1=m(x-x_1)

We substitute the values into the formula to obtain;

y-8=5(x-3)

y=5x-15+8

y=5x-7

There the equation of the line is

f(x)=5x-7

7 0
3 years ago
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