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Illusion [34]
3 years ago
11

What is the exact area of a circle having diameter 3 in.?

Mathematics
1 answer:
boyakko [2]3 years ago
8 0

Answer:

2.25π square inches

Step-by-step explanation:

Area = πr^{2}

Diameter = 2r

So in this case, radius = 1.5 inches

Plugging that into the area formula produces the answer

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I'll give points and brainalist for answer / explanation
Valentin [98]

Answer:

D. 8

Step-by-step explanation:

C= 2πr

π= 3.14

C= 25.12

25.12 = 2 * 3.14 * r

r= 4

d= 2r

d= 8

5 0
2 years ago
All I need to know is how to do 13. After I know how to do 13, I'll know how to do the rest. Please show your work and explain i
s2008m [1.1K]
MK is the same as NL.
Just  read the rest of the questions.
They practically give you the answers.
7 0
3 years ago
16. Solve for C: 6c - 1 - 4c = -49
lesantik [10]

Answer:

c = -24

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

<u />

Step-by-step explanation:

<u>Step 1: Define</u>

6c - 1 - 4c = -49

<u>Step 2: Solve for </u><em><u>c</u></em>

  1. Combine like terms:                     2c - 1 = -49
  2. Isolate <em>c</em> term:                               2c = -48
  3. Isolate <em>c</em>:                                        c = -24
7 0
2 years ago
Explain if 12.1 is rational or irrational
Naddika [18.5K]
It is rational because it is a terminating decimal. It can be represented as a ratio of two integers (121/10)
6 0
2 years ago
I need help. Please ​
GREYUIT [131]

Answer:

A=5 units squared

Step-by-step explanation:

A=1/2(l*w)

A=1/2(5*2)

A=1/2(10)

A=5

3 0
3 years ago
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