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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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nikdorinn [45]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
One survey showed that among 785 randomly selected subjects who completed four years of college, 18.3% smoke and a 98% confidenc
Valentin [98]

Answer

a. True

Step-by-step explanation:

Based on this survey we estimate that about 18.3\% of the college students smokes. And a 98\% confidence interval is [15.1\% ; 21.6\%].  So we know that our estimative for the smoking rate is in the confidence interval with 98\% certainty. We also know the estimative for the smoking rate in the general population is 27\%. So we can write the two possible hypothesis:

H_0 = Smoking rate is equal to 27\%.

H_1 = Smoking rate is not equal to 27\%.

We will reject the null hypothesis (H_0) if the estimate doesn't fall into the confidence interval for the college students smoking rate.

Since this condition holds we reject the null hypothesis. So with 98\% certainty we say that the smoking rate for the general population is different than the smoking rate for the college students.

6 0
3 years ago
When calculating the area of a trapezoid, how do you determine which sides are the bases?
ira [324]

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3 0
3 years ago
Given f(x) = –2 – 4, find f(4).
harkovskaia [24]

Answer:

-6

Step-by-step explanation:  6  6  15  40

f(x) = –2 – 4, find f(4)

since there is NO x term in the function for ANY x

f(4) = –2 – 4  = -6

f(any x) = –2 – 4, find f(-∞ = x = ∞)

            =  -6

3 0
3 years ago
Item 8 Solve for x. Use the quadratic formula. 2x2−5x−9=0 Enter the solutions, in simplified radical form, in the boxes.
Lubov Fominskaja [6]

Answer:

5+√97/4

Also 5-√97/4

Step-by-step explanation:

The Quadratic formula is x=-b+-√b^2-4ac/2a

This means that we should plug the values for A B AND C into the formula

We can work out that

<u><em>A = 2</em></u>

<u><em>B=-5</em></u>

<u><em>C=-9</em></u>

Once we have put these into the formula we get

5+√97/4 (all over 4) aka 3.71

Also 5-√97/4 (all over 4) aka -1.21

7 0
3 years ago
Read 2 more answers
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