Answer:
15
Step-by-step explanation:
-6y-5
Substitute 1/2 for y.
-6y-5
-6(1/2)-5
-3(-5)
15
Answer:
1. JMN is perpendicularly bisected
2.JMK and JKN are right triangles
3.∠JKM is a right angle
4. ∠1 and ∠2 are complementary
Step-by-step explanation:
1. Reasoning: Given
2. Reasoning: Definition of a perpendicularly bisected triangle.
3. Reasoning: Definition of a right triangle
4. Reasoning: Triangle Sum Theorem.
Explanation of 4: Because of the Triangle Sum Theorem, which dictates the interior angles of a triangle add up to 180, the other two angles have to add up to 90 or face violating the theorem. Angles that add up to 90 are complementary.
Answer:
x = 4 and y = 1
Step-by-step explanation:
3x+2y=14
2x-4y=4
We can solve them by canceling out one variable so we only have one variable left. Let's cancel out y by doubling the first equation. We get:
6x + 4y = 28
add that on to the second one and we get:
8x = 32
x = 4
We plug in x and get that:
y = 1
So in the end we get
x = 4 and y = 1
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