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Mazyrski [523]
3 years ago
11

The experimental probability of a coin landing on heads is 7/12, if the coin landed on tails 30 times, find the number of tosses

Mathematics
1 answer:
Maurinko [17]3 years ago
5 0
72 tosses
Hope this helps!
Vote my brainliest!
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The population of a small town is 23,781 and has been continuously declining at a rate of 3.2% each year what is the approximate
timurjin [86]
Same as the car one

A=Pe^(rt)
when it is a decay, make r negative
P=23781 and r=-0.032 and t=17
A=23781e^(-0.032*17)
A=23781e^(-0.554)
A=13803.01
so about 13803 people is the population after 17 years
8 0
3 years ago
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Write 19/25 as a decimal and a percent
bixtya [17]

Answer:

19/25

Decimal: 0.76

Percent: 76%

Step-by-step explanation:

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3 years ago
How do you work this problem 2.5÷ 4
lord [1]

Using a calculator can help. You get 0.625, or 5/8.

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3 years ago
The diagram below shows scalene triangle JKL. Triangle J K L. Side L K extends to point H to form exterior angle J K H. Which is
DiKsa [7]

Answer:

Step-by-step explanation:

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True.

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True.  The sum of all interior angles = 180

  • Measure of angle J K H = measure of angle J L K =

Can't tell from info given.  

  • Measure of angle J K L + measure of angle J L K = 90 degrees

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8 0
3 years ago
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Solve the system of equations by substitution <br><br> y = 2x + 1 and 3x + y = 16
Luden [163]

Answer:  y=7,x=3

Steps:

y = 2x + 1

3x + y = 16

Substitute y = 2x + 1

3x + 2x + 1 = 16

Simplify

5x+1=16

Isolate x for 5x + 1 = 16: x = 3

For y = 2x + 1

Substitute x = 3

y = 2 · 3 + 1

Simplify

y = 7

The solutions to the system of equations are:

y = 7, x = 3

Hope This Helps!

6 0
3 years ago
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