1 is D
2 is
7x + 7 = 112
7x = 105
x = 15 (B)
Step-by-step explanation:
to find mean
add all numbers, then divide by how many set they given
to find median
you need to arrange them ascending order
then what is the number in the middle
to find mode
find what most repeated number
This should be the answer: A ≈ 21.24 in²
The vertical angles theorem states that vertical angles are congruent to each other. Since angles E and F are vertical angles, this means you can make them equal to each other in an equation.
m∠E = m∠F
17x + 1 = 20x - 14
Subtract 20x from both sides.
-3x + 1 = -14
Subtract 1 from both sides.
-3x = -15
Divide both sides by -3.
x = 5
Substitute 5 for x in m∠F (20x - 14).
20(5) - 14 = 86
m∠F = 86°
There's a bunch of them!
Commutative property of multiplication and addition means a*b = b*a and a+b =b+a
associative property means a+b+c = a+c+b = c+a+b etc. and a*b*c =a*c*b etc
distributive property of multiplication over addition means a(b+c) = a*b+a*c or an+ac
there are others
