Answer:
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Step-by-step explanation:
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<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>
Answer:
Cylinder Volume = π • r² • height
Volume = PI * .210 m^2 * 5
Volume = 0.6927211801 cubic meters
Wood has a mass of 693 / cubic meter
mass = 0.6927211801 * 693 = 480.06 kilograms
Step-by-step explanation:
Answer:
$163.85
Step-by-step explanation:
Since the cost of the couch is $113.00 then this is the original 100% price. To find a 45% mark up then find 145%. Remember 100+45 = 145. To find the price set up a proportion with these values:
Solve for the price by cross multiplying numerator with denominator.
x(100) = 113(145)
100x = 16385
x= 163.85
Step-by-step explanation:
You need to divide both sides by 3 to get x by itself:
x > -4
<-l-------l-------l-------l-------l--------l--------l--------l-------l->
4 3 2 1 0 1 2 3 4
You would place your point on -4, but it's opened because there is not an equal to sign underneath the inequality symbol. The "<" is pointing to the right so you would shade the number line on the right following -4.