Answer:
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<span>(A) Find the approximate length of the plank. Round to the nearest tenth of a foot.
Given that the distance of the ground is 3ft.
In order to get the length of the plank,
we can use the this one.
cos 49 = ground / plank
cos 49 = 3 / plank
plank = cos 49 / 3
plank = 0.10 ft
</span><span>(b) Find the height above the ground where the plank touches the wall. Round to the nearest tenth of a foot.
</span><span>
The remaining angle is equal to
angle = 180 - (90+49)
angle = 41
Finding the height.
tan 41 = height / ground
tan 41 = height / 3
height = tan 41 / 3
height = 0.05 ft.
(A) 0.10 feet
(B) 0.05 feet</span>
3,628,800 is the correct answer
Answer:
x=3/8
Step-by-step explanation:
turn 3/4 into a fraction that has a denominator of 8 3/4x2= 6/8
To get it to 9/8 you add x which is 3/8
so 3/8+6/8 is 9/8
x=3/8
Answer:
it is a, b, and c, but not d
