The answer is the third one.
(7,0)
Answer:
- 21 of multiple choice and 17 of short answer questions
Step-by-step explanation:
- Multiple choice = m
- Short answer = s
<u>Equations:</u>
<u>Solve for s by eliminating m. Subtract the double of the first equation from the second one:</u>
- 2m + 3s - 2(m + s) = 93 - 2(38)
- 3s - 2s = 93 - 76
- s = 17
<u>Find the value of m:</u>
Answer:
x = (-9)
Step-by-step explanation:
From the diagram, we see that the triangle is an isosceles triangle. Since it is an isosceles triangle we know that the angles at the base of an isosceles triangle are equal to each other, so the angles that is not marked will be equal to m∠2. Since now we know that, we can make the following equation...
m∠2 + m∠2 + 84 = 180
Now we solve it and get...
2(m∠2) = 180 - 84
2(m∠2) = 96
m∠2 = 48
Now we substitute m∠2 with x + 57, and get...
m∠2 = 48
x + 57 = 48
x = 48 - 57
x = (-9)
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