Answer: 3x-2
Step-by-step explanation:
My explanation is if you were to write this down, i drew "J", "K", "L", and "M" down from left to write on a line w/ points and then i wrote that " J M " = 5 x - 8, and that " L M " = 2 x - 6, and then subtracted ( 5 x - 8 ) by ( 2 x - 6 ) which would look like this:
( 5 x - 8 ) - ( 2 x - 6 )
The reason i subtracted the total length of the entire number line is because the length of " L M " is part of the total length so you would have to subtract in order to find " J L " because then you wouldn't have to have " L M ". The correct answer is "3 x - 2"
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Answer:
128 > 4*(x + 7)
Step-by-step explanation:
Given the following data;
Length = 4 meters
Width = x + 7 meters
Area = 128 m²
Mathematically, the area of a rectangle is given by the formula;
Area of rectangle = length * width
Substituting into the formula, we have;
128 > 4*(x + 7)
128 > 4x + 28
128 - 28 > 4x
100 > 4x
Dividing both sides by 4, we have;
25 > x
I don’t know if you meant b^2 and c^2 or b x 2 and c x 2 so I’ll do both.
If it’s meant to be multiplied by 2, then you do 9^2 + (40)2 =c2
81 + 80 = c2
161 = c2
/2
80.5 = c
However I do doubt it’s that. This means it’s likely meant to be squared instead. In which case, use the following answer.
9^2 + 40^2 =c^2
1681 = c^2
Then square root both sides to get just c (which i assume is what you’re trying to find?)
Square root of 1681 = 41
So your answer would be 41.
I believe the error she made was adding it or multipulcation
Answer:
D. $53.76.
Step-by-step explanation:
20% = 0.20 as a decimal.
Price before Sales Tax = 64 - 0.20*64
= $51.20
Adding 5% sales tax we get
52.20 + 0.05*51.20
= $53.76 (answer).
