The base of a ladder is 25 meters due west of a burning building. If the angle of elevation of the ladder is 51°, how long is th
2 answers:
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Think of a vertical number line. The positive values count down as we move down this number line. The negative numbers count up, so to speak, as we move down the number line. So we have -1, -2, -3, ... as we move down. This indicates that -5 is <u>not</u> smaller than -7.
Diagram is below.
Answer:
u=5.23
Step-by-step explanation:
Answer:
a) y =
b) x = 4
Step-by-step explanation:
a)
3y + 2 = 20y - 5
2 = 20y - 3y - 5
2 = 17y - 5
2 + 5 = 17y
7 = 17y
y =
b) x² + 5 = 21
x² = 21 - 5
x² = 16
x = √16
x = 4