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azamat
3 years ago
12

What is m<a + m<b + m<c​

Mathematics
1 answer:
vitfil [10]3 years ago
3 0
<h2>Answer:</h2>

Option B. 180°

<h3>Explanation:</h3>

m<a , m<b and m<c are the interior angles of a triangle.

<h3>Angle Sum Property:</h3>

It states that the sum of interior angles of a triangle is 180°.

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Solve for x. Answer in Interval Notation using Grouping Symbols.<br> x^2+9x&lt;-20
AURORKA [14]

Answer:

In interval notation:

(-5,-4)

Step-by-step explanation:

 To solve the expression shown in the problem you must:

- Add 20 to both sides, then:

x^{2}+9x+20

- Now you must find two number whose sum is 9 and whose produt is 20. These would be 4 and 5. Then, you have:

(x+4)(x+5)

- Therefore the result is:

-5

In interval notation:

(-5,-4)

5 0
3 years ago
Read 2 more answers
Three randomly selected households are surveyed. the numbers of people in the households are 1,3,8 assume that samples of size n
uysha [10]

The estimator sample proportion is mathematically unbiased

<h3>What is the estimator sample proportion?</h3>

Generally, the equation for is  mathematically given as

Population sample \mu=1.3

The sample to sample proprotion table will have

first column= 3,5 3,5 3,10,5,3 5,5 5,10 10,3 10,5 10,10

Second coumn= 0,0,0.5,0,0,0.5,05,0.5, total 3

The probability distribution of the distinct variance values table will have

p row=0,0.5,1, Total

probability row= 4/9, 4/9, 1/9, 1

In conclusion, The mean sample

x=3/9

x=1.3

Where

population sample \mu=1.3

\mu= x

Therefore the estimator sample proportion is unbiased for population mean

Read more about probability

brainly.com/question/11234923

#SPJ1

4 0
3 years ago
Solve each system of equations below by the substitution method. And show your work.
Simora [160]
Instead of typing it all on here, I included my explanations with the work.

7 0
3 years ago
Solve the equation <br> 5(x+4)+52= -4x
Maru [420]

Answer:

x = -8

Step-by-step explanation:

Given: 5(x+4)+52=-4x

Distributive Property: 5x+20+52=-4x

Combine like terms: 5x+72=-4x

Subtract 5x on both sides: 72=-9x

Divide both sides by -9: -8=x

Flip the equation around: x=-8

Therefore, x=-8

8 0
3 years ago
Whats the answer to the math ptoblem
LekaFEV [45]

Hell,

I hope this helps some

23/12 = 1 and 11/12        ≈1.917

4 0
3 years ago
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