5000-4000=1000
Difference means subtraction.
Answer:
m<Q = 93 degrees
m<R = 87 degrees
Step-by-step explanation:
Given the following angles;
m<Q = 9x-6
m<R = 8x-1
Looking at Devin's work, we will see that he the sum of both angles is 180 degrees
Hence m<Q + m<R = 180
9x - 6 + 8x - 1 = 180
9x+8x-6-1 = 180
17x - 7 = 180
17x = 180 + 7
17x = 187
x = 187/17
x = 11
Get m<Q
m<Q = 9x - 6
m<Q = 9(11) - 6
m<Q = 99 - 6
m<Q = 93 degrees
Get m<R
m<R = 180 - m<Q
m<R = 180 - 93
m<R = 87degrees
Answer: 3 1 0
Step-by-step explanation:
Answer: Multiplied by -1
Example:
Let's say we had the linear function y = 2x+5
Reflecting this over the y axis means we replace every x with -x and simplify
y = 2x+5 becomes y = 2(-x)+5 and that simplifies to y = -2x+5
The y intercept stays the same the whole time. This is because the y intercept is on the mirror line of the y axis. Stuff on the mirror line does not move.
Notice the jump from the old slope (2) to the new slope (-2) has us multiply by -1.
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