Check the picture.
we notice that for every pair (x, y) in Q, there is a point (-y, x) in Q',
this means that the transformation is a 90° counterclockwise rotation around the origin.
The transformation can be also noticed by sight in the figure.
Answer: 90° counterclockwise rotation
Answer: 90
Step-by-step explanation:
15% of 90 = 13.5
Answer:
x = 24
Step-by-step explanation:
The triangle is split into two similar triangles. They have the same shape but not the same size. To solve, write a proportion.

Cross multiply to solve for x.
56(x+4) = 44.8(35)
56x + 224 = 1,568
56x = 1,344
x= 24
Answer:
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Step-by-step explanation:
Answer:
Step-by-step explanation:
since there are 205 calories in 5 crackers we can represent this as
205/5
we need to find how many calories are in one cracker, so lets take "x" as the # of calories in 1 cracker
so

cross multiply
5x=205
divide by 5 on both sides
x=41
41 calories in 1 cracker
Number line: