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Marina CMI [18]
3 years ago
10

Alice flipped a coin 60 times. the coin landed on heads up 32 times and tails up 28 times.

Mathematics
1 answer:
Sholpan [36]3 years ago
4 0
Part a: 32/60=8/15

part b: 30/60=1/2
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Area of triangle with following verticies (0,-9), (3,-9), and (0,-2)
Neporo4naja [7]

Answer:

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Step-by-step explanation:

Two of the points are on the same line (the y-axis) as they both have x-coordinates of 0. This can thus be the base of your triangle.

Two more are on the same line (y= -9) as they both have the same y-coordinate of -9. This can be the height of your triangle.

So you have a base which is between -2 and -9 (7 units) and a height which is between 0 and 3 (3 units) so now just use the equation for area of a triangle A=0.5*b*h

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7 0
3 years ago
Q4: Write the equation in slope-intercept form of the line that is perpendicular to
forsale [732]

Answer:

5y  = x + 11

Step-by-step explanation:

Given parameters:

  Equation of the line ;

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Find the equation of a line perpendicular;

Solution:

A line perpendicular to  y  = -5x + 1  will have slope that is a negative inverse of the given one.

Equation of a straight line is expressed as;

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Now let us find the y-intercept of the new line;

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The equation of the new line is;

          y  =  \frac{1}{5}x +  \frac{11}{5}  

or multiply through by 5;

        5y  = x + 11

5 0
2 years ago
Suppose you invest $7500 at an annual interest rate of 4.2% compounded continuously. How much will you have in the account after
tatyana61 [14]
<span>Interest=principle x rate x time (in years)
so putting values so
Interest=7500 (.042)(2)
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Interest=142 500+142=64
hope it helps</span>
6 0
2 years ago
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