Christina is building a slide for her kids. The ladder is 4 feet tall and the slide is 9 feet long. What is the distance between
the ladder and the bottom of the slide? If necessary, round to the nearest tenth.
1 answer:
Answer: 8.1ft
Step-by-step explanation:
It may help to draw it out but for this question you would have to use pythagoras' theorem.
The formula for the shorter side is a²=c²-b²
The height of this triangle is 4ft (b) and the hypotenuse (the diagonal that stretches from the top to the bottom) is 9ft (c).
When we put the numbers in the formula you get a²=9²-4²
9²=81
4²=16
a²=81-16
a²=65
Then because we want to find a on it's own you would have to square root 65 which is 8.1 (to the nearest tenth)
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This is same as (4x-6)(2x), so you can distribute 2x into 4x-6 and you would get
(2x)4x - (2x)6 = 8x² - 12x
Final answer: 8x² - 12x
Hope this helps.
You can do 4 to the second power and get 16
Answer:
The answer is C, the third one.
Answer:
The answer is 3
Step-by-step explanation:
........
We need only realize that 1(-8)(-6)=48 to see that C) is the only answer from those choices that can be an answer.
