Answer:
a = -9
Step-by-step explanation:
a+(-4)=-13
add 4 to each side
a-4+4 = -13+4
a = -9
Considering the diagram. 
is shown to be acute, so 
.
Angles in a triangle add to 180°, so 
.
Using the law of cosines,
Answer: C
<u>Step-by-step explanation:</u>
f(x) = 26.2 - 0.1x
f(100) = 26.2 - 0.1(100)
= 26.2 = 10.0
= 16.2
f(5-) = 26.2 - 0.1(50)
= 26.2 - 5.0
= 21.2
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Answer: D
<u>Step-by-step explanation:</u>
f(x) = 2|x - 3| + 1
2 units right: f(x) = 2|x - (3 + 2)| + 1
= 2|x - 5| + 1
Answer:
they would have traveled 124.1 meters. If you start at 0 elevation (ground level) and you go all the way down then the maximum lowest point he can get to is 124.1m.
Answer:
Step-by-step explanation:
for every value of x
,it has two values of y except at extreme values of x,where it has only one value.
