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777dan777 [17]
3 years ago
8

Given: ΔACM, m∠C = 90º

Mathematics
2 answers:
Svetllana [295]3 years ago
6 0

Answer: Value of CP = 12 units

Value of CM = 20 units.

Step-by-step explanation:

Since we have given that

Given: ΔACM, and  m∠C = 90º and CP⊥ AM and

AC = 15  , AP = 9, PM = 16

Now, we need to find the value of CP and CM,

As we know the formula :

PM=\frac{CM^2}{AM}\\\\16=\frac{CM^2}{16+9}\\\\16=\frac{CM^2}{25}\\\\16\times 25=CM^2\\\\\sqrt{16\times 25}=CM\\\\4\times 5=CM\\\\20=CM

Similarly,

CP=\frac{AC\times CM}{AM}\\\\CP=\frac{15\times 20}{25}\\\\CP=3\times 4\\\\CP=12

Hence, Value of CP = 12 units

Value of CM = 20 units.



Alja [10]3 years ago
5 0
CP=12, CM=20. CP is the altitude of the triangle. ACP is a right triangle, so you can solve for CP using Pythagorean's theorem. CP=\sqrt(AC^2-CP^2)=\sqrt(15^2-9^2)=12. AM=AP+PM=9+16=25. Triangle ACM is another right triangle, and CM=\sqrt(AM^2-AC^2)=\sqrt(25^2-15^2)=20.
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Answer:

8/5 < x< 12/5

Step-by-step explanation:

(2 - x)^2 < 4/25

Take the square root of each side

sqrt((2 - x)^2)  <±sqrt( 4/25)

Make two equations

2-x < 2/5    2-x > -2/5

Subtract 2 from each side

2-x-2 < 2/5 -2          2-x-2  > -2/5-2

-x < 2/5 -  10/5             -x > -2/5  - 10/5

-x < -8/5                         -x > -12/5

Multiply by -1, remembering to flip the inequality

x> 8/5                   x < 12/5

8/5 < x< 12/5

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3 years ago
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Step-by-step explanation:

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A bag contains 25 balls 20 of which are blue what percentage of balls are not blue
Artist 52 [7]

Answer:

20%

Step-by-step explanation:

20/25 = blue

This means 5/25 of the balls in the bag are NOT blue

(25-20 = 5)

We need to convert 5/25 to a percentage

\dfrac{5}{25} = \dfrac{5\times4}{25\times4}=\dfrac{20}{100}

% = per cent

"per" means "out of"

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1 year ago
Sarah made $180 for 12 hours of work. At the same rate, how much would he make for 17 hours of work?
lisabon 2012 [21]

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According to the Department of Transportation, 27% of domestic flights were delayed in the last year at JFK airport. Five flight
Mars2501 [29]

Answer:

The probability that all the five flights are delayed is 0.2073.

Step-by-step explanation:

Let <em>X</em> = number of domestic flights delayed at JFK airport.

The probability of a domestic flight being delayed at the JFK airport is, P (X) = <em>p</em> = 0.27.

A random sample of <em>n</em> = 5 flights are selected at JFK airport.

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> and <em>p</em>.

The probability mass function of <em>X</em> is:

P(X=x)={5\choose x}0.27^{x}(1-0.27)^{5-x};\ x=0,1,2...

Compute the probability that all the five flights are delayed as follows:

P(X=5)={5\choose 5}0.27^{5}(1-0.27)^{5-5}=1\times 1\times 0.207307=0.2073

Thus, the probability that all the five flights are delayed is 0.2073.

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