MATHEMATICS HIGH SCHOOL

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Solve to find x and y in the diagram.
HELP ME Solve to find x and y in the - 1

Answers

Answer 1
Answer: The answer is D x=4.5y=12.5

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Identify the fallacies of weak induction committed by the following arguments, giving a brief explanation for your answer. If no fallacy is committed, write "no fallacy." There is substantial evidence that units of the Chinese military hack into the computers of American technology companies to steal intellectual property and trade secrets. But Chinese Premier Li Keqiang denies that this happens. Therefore, given Mr. Li's intimate knowledge of the Chinese military, we must conclude that the Chinese military does not engage in hacking.

Answers

Answer:

The correct answer is: Appeal to false authority. He is obvisouly biased

Step-by-step explanation:

Determine the number of possible triangles, ABC, that can be formed given A = 150°, a = 7, and b = 4.1
0
2

Answers

1.

When  you have the length of two sides and the angle between them, the triangle is totally determined. This is, there is only one segment that can complete the triangle: its length and position is totally fixed.

Answer:

1

Step-by-step explanation:

84c −4 = 72c−244 What is C?

Answers

Answer:

 c=20

Step-by-step explanation:

84c −4 = 72c−244

subract 72x from both sides

12c-4=-244

add 4 to both sides

12c=240

divide both sides by 12

c=20

Find the difference. Do not round.

12.39 - 1.504 =

Answers

12.39 - 1.504 - Given subtraction problem that needs to be solve to find out the difference. NO need to round off the answer.
=> 12.39 - 1.504 = 10.886
10.886 - is the answer or the difference.

Answer:

=> 12.39 - 1.504 = 10.886

Step-by-step explanation:

=> 12.39 - 1.504 = 10.886

If f(n) = - 5n - 2, then f(3) is _____.

Answers

We have f(n) = - 5n - 2
    So f(3) = - 5×(3) - 2  = - 17

Solve the system of equations. 3x = ­-31 + 2y
5x + 6y = 23

a. x = ­-5, y = 8
b. x = ­- 29, y = ­- 28
c.no solution
d.infinite solutions

Answers

Answer:

a. x = -5, y = 8

Step-by-step explanation:

\left\{\begin{array}{ccc}3x=-31+2y&\text{subtract}\ 2y\ \text{from both sides}\n5x+6y=23\end{array}\right\n\n\left\{\begin{array}{ccc}3x-2y=-31&\text{multiply both sides by 3}\n5x+6y=23\end{array}\right\n\n\underline{+\left\{\begin{array}{ccc}9x-6y=-93\n5x+6y=23\end{array}\right}\qquad\text{add both sides of the equations}\n.\qquad14x=-70\qquad\text{divide both sides by 14}\n.\qquad x=-5\n\n\text{Put it to the second equation:}\n\n5(-5)+6y=23\n-25+6y=23\qquad\text{add 25 to both sides}\n6y=48\qquad\text{divide both sides by 6}\ny=8
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