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Feliz [49]
3 years ago
8

Help me out with this question (geometry/angle bisectors)

Mathematics
1 answer:
dimulka [17.4K]3 years ago
4 0
You have to add both of the equations for a 180° percent
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A first number plus twice a second number is 9. Twice the first number plus the second totals 21. Find the numbers
WITCHER [35]
Let x and y be the numbers;
We have x + 2y = 9 and 2x + y = 21;
Then, x = 9 - 2y;
Finally, 2(9-2y) + y = 21 ;
18 - 4y + y = 21;
18 - 3y = 21;
-3y = 3;
y = - 1;
x = 9 - 2× (-1);
x = 9 + 2 ;
x = 11;
7 0
3 years ago
Ms. Howard wrote a test. Part A had true/false questions, each worth points. Part B had multiple choice questions, each worth po
harina [27]

Full question attached

Answer and explanation:

Since x = number of true or false questions correct

And y = number of multiple choice questions correct

And each question for x =2 points

each question for y=3 points

since she then needs a total score of more than 93 to pass, we add up total correct questions and

Inequality equation = 2x +3y >93

5 0
3 years ago
To convert a temperature measured in degrees Fahrenheit to degrees Celsius, there is a formula
e-lub [12.9K]

Answer:

113`F= 46.11° Celsius

Step-by-step explanation:

(Celsius°C × 9/5) + 32 = Fahrenheit

(Celsius°C × 9/5) + 32 = 113

(Celsius°C × 9/5) = 113 - 32

(Celsius°C × 9/5) = 83

Celsius = 5(83)/9

Celsius  = 46.11° Celsius

6 0
2 years ago
Read 2 more answers
PLEASE HELP ME WITH SOLVO THESE MATH PROBLEMS PLEASE!!!!!!!!!!!!!!!!!!
Taya2010 [7]
1. Rotational Symmetry-2
2.  Line Symmetry<span>
3.  Both- Rotational Symmetry-6
4. Both- Rotational Symmetry- 2
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8 0
3 years ago
Given f(x) and g(x) = k • f(x), use the graph to determine the value of k.
nekit [7.7K]

Answer:

I believe it is A -2.... If you see where they are each plotted and multiply them which is 1 and -2 you would get -2.. Hope that helps.

4 0
3 years ago
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