Number 8 would be 4x - 3x + 3+4
Answer:
3.1 ft
Step-by-step explanation:
You need to use the Pythagorean Theorem to solve for the leg of the triangle and then double that answer to get the length of the entire line of "x".
a²+b²=c²
1.4²+b²=2.1²
1.96+b²=4.41
b²=2.45
b=1.565247584249853 (this is the leg of the triangle)
now multiply by 2
x=3.130495168499706
Round to nearest tenth
3.1 ft
Answer:
1st:

or
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2nd:

or
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Step-by-step explanation:
the first is a mixed number and the second is an improper fraction. the second one is negative
Answer:
Yes
Step-by-step explanation:
Lisa and Frank type at the same rate.
They both type 1 page every six minutes.
Lisa types 6 pages every 36 minutes, and if we divide the minutes by the pages, we get

And Frank types 5 pages ever 30 minutes, when we divide we get

Answer:
A
Step-by-step explanation:
The opposite of 6 IS -6