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MakcuM [25]
3 years ago
6

______ method consists of the following steps: conceptualize a process or problem to be studied, collect research data, analyze

the data, and draw conclusions.
Mathematics
1 answer:
Ratling [72]3 years ago
7 0

Answer

i think it has something to do with science

Step-by-step explanation:

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Can some explain how to do this?
zepelin [54]

Answer:

  • Exact Area = 210.25pi - 210
  • Approximate Area = 450.185

The units for the area are in square inches or in^2. The approximate value shown above is when using pi = 3.14

=============================================================

Explanation:

Use the pythagorean theorem to find the length of the hypotenuse

  • a = 20
  • b = 21
  • c = unknown

a^2 + b^2 = c^2

20^2 + 21^2 = c^2

400 + 441 = c^2

c^2 = 841

c = sqrt(841)

c = 29

The hypotenuse is 29 inches long. This is the diameter of the circle. Half of that is the radius at r = d/2 = 29/2 = 14.5 inches.

The area of the circle is...

A = pi*r^2

A = pi*(14.5)^2

A = pi*210.25

A = 210.25pi

Which is exact in terms of pi

We'll subtract off the triangular region as this isn't shaded in. The area of the triangle is base*height/2 = 20*21/2 = 420/2 = 210 square inches.

So the shaded region is therefore 210.25pi - 210 square inches

This approximates to 210.25*3.14 - 210 = 450.185 when using the approximation pi = 3.14; use more decimal digits of pi to get a more accurate value.

4 0
3 years ago
Plzz help me with this question​
Aleks04 [339]

Answer: 45

Step-by-step explanation:

Complemntary angles result in a sum of 90. So, H=45 means

45+J=90

90-45= 45

6 0
2 years ago
Can someone match all of these definitions to all five words for me? I’m very confused but I’ll mark brainlist if you do at leas
forsale [732]

Solution: Any value for a variable that makes the equation true.

Reciprocal: Focuses on the use of multiplication and division

Coefficient: A number that is multiplied by a variable in an algebraic expression is a coefficient

Term: A term of an algebraic expression is a number, variable, or product of numbers and variables

Base: The base of a power is the factor that is multiplied repeatedly in the power.

Hope this helps, and have a great day!

5 0
3 years ago
Read 2 more answers
$7230 for 3.25% in 12 years
IceJOKER [234]

$2,819.70 is the answer

You multiply .0325×12×72.30

6 0
2 years ago
-4 2/3+ 1 5/6 pls help me
Sauron [17]
Here is the work for that problem

4 0
3 years ago
Read 2 more answers
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