4. 2b-6+3b=
5b-6=143
5b=143+6
5b=149
b=149
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5
Answer:
A=80 square feet.
Step-by-step explanation:
First, we find the area of the model. 6*4=24. Now, due to the ratio of 1:40, we know that every inch is actually forty inches. So, you do this:
24*40=960.
So, the area of the actual living room is 960 inches. Or 80 feet.
Answer:The general equation of a sphere is: (x - a)² + (y - b)² + (z - c)² = r², where (a, b, c) represents the center of the sphere, r represents the radius, and x, y, and z are the coordinates of the points on the surface of the sphere.
Step-by-step explanation:
13/28 <span>< </span><span>4/7 </span><span>< </span><span>19/28 </span><span>< </span><span>11/14</span>
I think D too because that one is the only one that makes sense
