Solve for pi please.
Answers
Answer:
2A / r^2 = pi
Step-by-step explanation:
A = 1/2 pi r^2
Multiply by 2
2A = pi r^2
Divide by r^2
2A / r^2 = pi r^2/r^2
2A / r^2 = pi
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Answers
The solution of x for the equation (√7)ˣ = 49ˣ⁻⁶ is,
⇒ x = 8
We have to given that,
An expression to simplify,
⇒ (√7)ˣ = 49ˣ⁻⁶
Now, We can simplify the expression for x as,
⇒ (√7)ˣ = 49ˣ⁻⁶
Since, 49 = 7² = (√7)⁴
Hence,
⇒ (√7)ˣ = (√7)⁴)ˣ⁻⁶
Apply the multiply rule in exponent,
⇒ (√7)ˣ = (√7)⁴ˣ⁻²⁴
By comparing,
⇒ x = 4x - 24
Solve for x,
⇒ x - 4x = - 24
⇒ - 3x = - 24
⇒ 3x = 24
⇒ x = 24 / 3
⇒ x = 8
Therefore, The solution of x for the equation (√7)ˣ = 49ˣ⁻⁶ is,
⇒ x = 8
Learn more about the equation visit:
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Answers
Answer:
(4x-y)^2
Step-by-step explanation:
16x^2 - 8xy + y^2 = (4x)^2 - 2*4x*y + (y)^2 the square of the difference
= (4x-y)^2
G. 4
H. -1
J. 4
K. 16
Answers
Answer:
F. -16
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Algebra I
- Functions
- Function Notation
Step-by-step explanation:
Step 1: Define
Identify
Step 2: Evaluate
- Substitute in x [Function g(x)]:
- Exponents:
- Divide:
Answers
x^2 - 12x + (-6)^2 - (-6)^2 = 61, or
(x-6)^2 -36 = 61, or
x-6 = plus or minus sqrt(97), or
x = 6 plus or minus sqrt(97)
-12^2-(4•1•61)= d
X= (-b-sqr (d) ) / 2a or x=(-b+sqr (d) )/2a
Answers
Important:
The sum of the three angles inside
every triangle is always 180°.
First, look at the left triangle alone.
Two of its angles are 46° and 58° . (46° + 58° ) = 104°
That leaves (180° - 104° ) = 76° degrees for the third angle.
The third angle in that triangle is 'x'.
x = 76° .
At the point where 'x' and 'z' come together:
'x' and 'z' are a "linear pair".
Placed side-by-side, they form a straight line.
So (x + z) = 180° .
But x = 76°.
So z = (180° - 76°). z = 104° .
Now look at the the skinny triangle on the right alone.
The angle at the top is 13°, and z = 104°.
(13° + 104°) = 117° .
That leaves (180° - 117°) = 63° for the third angle.
'y' is the third angle.
y = 63° .
Answer:
c. x= 76, y= 63, z= 104
Step-by-step explanation:
First, you have to use the InteriorAnglesTheorem[m<1 + m<2 + m<3 = 180°] to find the m<x:
46° + 58° + 76° = 180°
Now that you have the m<x, to find the m<z, you have to use the SupplementaryAnglesTheorem,which statesthat two angles [in this case] add up to 180°:
76° + 104° = 180°
Finally, to find the m<y, you again have to use the InteriorAnglesTheorem:
13° + 63° + 104° = 180°
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