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Evaluate:
when
First, add x's:
Now, plug in the value of x (3)
Multiply:`
(Answer)
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1/2h - 12 = -5 How can you isolate the term 1/2h
1 answer:
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Answer:
9.4
Step-by-step explanation:
We can use the Pythagorean theorem
a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse
5^2+8^2 = c^2
25 +64 = c^2
89 = c^2
Taking the square root of each side
sqrt(89) = sqrt(c^2)
9.433981132 = c
To the nearest tenth
9.4
Answer:
Height of flag pole to the nearest foot is 43 feet
Step-by-step explanation:
In the diagram we have flag pole AB and C is the point on the ground.
It is given that angle of depression is 30°
and the distance of the point C from the base B is 75 feet
so we have
BC= 75 feet
∠C = 30°
AB= h feet
now in right ΔABC
now we plug AB= h , ∠C= 30° and BC =75
( multiply both sides by 75)
Height of flag pole to the nearest foot is
h= 43 feet
