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Answer:
Total area is all area of a 2D shape or 3D shape combined.
You need to write out a formula for each shape.
Shape 1 ) A = L x H for any 4 sided 2D shapes
Shape 2) For irregular 4 sided 2D shapes you need to draw a line to create 2 triangles
L x L x L + L x L x L = A
Shape 3) For Trapezoid
Surface area can be given with this formula: Surface Area of Trapezoidal Prism = (b1+b2)h + PH. In this formula, b1 and b2 stand for the length of the bases of the trapezoid. Lower case h is the height of the trapezoid. Upper case P is the perimeter of the trapezoid, and upper case H is the height of the prism
Shape 4 cuboid or prism
You take the surface area x (above)
so that;
A + A of each face = Total combined Area.
Except for Rectangular prism where we first find the longer L x H = A
Then; A + A of each face if 3 different sizes faces would be A x 2 A x 2 A x 2. if 2 different sizes would be A x 2 A x 4 so that prism with 6 sides would equal 6
Some prism have 5 sides like a triangular prism
A x 2 A x 3
We would do the rectangles first to remind us the process of Volume for other questions.
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For circles we use A = π × r2
For cylinders we use A of the circle (just mentioned) so that A+ A are the circular areas then work out the area of the Side and add them using the formula 2πr2 + 2πrh.
Formula for sphere =A=4πr2
Step-by-step explanation:
Answer:
5x + 6
Step-by-step explanation:
first multiply 1/2 by 10x, that's 5x. then multiply 1/2 by 12, that's 6
All we have to do is simply use the negative power rule to get the answer.
Answer: 1/ so answer is D).
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Answer with explanation</u>
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- A population is the largest possible group of observation as per the researcher's point of interest.
For example , If we want to calculate the average income of American data scientist , all American data scientists will be determine the population in this case,
- A sample denotes a subset of population . When population is extremely large , the researcher draw a sample of the entire population and use this to analysis and study. So we can say a sample can represent a particular population.
Here, Walter surveys all students in his math class and finds that 4 prefer tomatoes,
14 prefer carrots, and 9 prefer cucumbers.
Population = All students in his School
Sample = Students in his class.
No, the sample is not a representative sample, it is the convenience sample.
It can be possible that his class has influence of him or students of other classes may like exactly different ingredients for salad like sprouts, fruit etc.