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vladimir1956 [14]
3 years ago
9

Find the radius of the circle using 3.14 as pi c= 12cm

Mathematics
1 answer:
mr_godi [17]3 years ago
5 0

Answer:

The radius:

r  = 1.95491

Rounding, it would be:

r  = 1.95

Step-by-step explanation:

\pi = 3.14 \\ c  = \pi\: {r}^{2}  \\  \\ 12 = (3.14) {r}^{2}  \\  {r}^{2}  =3.821656051 \\ r  = 1.95491

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Option (4).

Step-by-step explanation:

In the figure attached,

Two right triangles ΔXYZ and ΔTUV have been given,

Given:

1). m∠Y = m∠U = 30°                  

2). m∠Z = m∠V = 60°                  

3). m∠X = m∠T = 90°

For congruence of two right triangles, measure of at least one side should be known along with the measure of angles (LA, HA, LL, HL properties of congruence).

Therefore, these triangles may be similar but not congruent.

Option (4) is the correct option.

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3 years ago
explain the pattern used to find an answer when you multiply or divide a whole number by a power of 10
scoray [572]
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-10w + 12 = -9w + 13<br> What value of w makes the equation true?
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How do you put f(8)=-1,f(6)=0 into point slop form?​
Mademuasel [1]

Answer:

y + 1 = -1/2(x - 8)

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

<u>Algebra I</u>

Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Point-Slope Form: y - y₁ = m(x - x₁)  

  • x₁ - x coordinate
  • y₁ - y coordinate
  • m - slope

Step-by-step explanation:

<u>Step 1: Define</u>

f(8) = -1 → Coordinate (8, -1)

f(6) = 0 → Coordinate (6, 0)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute [SF]:                    m=\frac{0+1}{6-8}
  2. Add/Subtract:                      m=\frac{1}{-2}
  3. Simplify:                               m=\frac{-1}{2}

<u>Step 3: Write Function</u>

<em>Substitute into general form.</em>

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  • Point 2: y = -1/2(x - 6)
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