Your varible is A depends what the teacher ask if not just A it will be 8a
Answer:
It is sometimes true
Step-by-step explanation:
Fractions are positive rational numbers, and 2*1/2 is 1, which is less than 2. Here's a picture that might help.
Answer: x < 1/2 or x < 0.5
The graph is below
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There are two ways to solve this
Method 1
5 - 2x > 4
-2x > 4-5
-2x > -1
x < -1/(-2) .... note the inequality sign flips
x < 1/2
x < 0.5
The inequality sign flips whenever we divide both sides by a negative number.
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Method 2
5 - 2x > 4
5 - 2x+2x > 4+2x
5 > 4+2x
4+2x < 5
2x < 5-4
2x < 1
x < 1/2
x < 0.5
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To graph this on a number line, we'll plot an open hole at 1/2 or 0.5 on the number line. Then we shade to the left to represent all values smaller than 1/2 = 0.5
The open hole signals that 0.5 itself is NOT part of the solution set.
See the diagram below.
<span>Perimeter of rectangle=2(l+b)
2(l+b)=74
(l+b)=37 l=37-b
Area of rectangle=l*b
330=l*b
330=(37-b)b
330=37b-b^2
b^2-37b+300=0
By solving we get b=12cm and b=25 is neglected as b<l
l=25cm and b=12cm</span>