Answer:
x = 27
Step-by-step explanation:
∠ ABD and ∠ BDE are alternate angles and are congruent, then
∠ BDE = 72°
∠ ADB + ∠ BDE + ∠ EDF = 180° ( sum of angles on a straight line ), that is
2x + 72 + 2x = 180
4x + 72 = 180 ( subtract 72 from both sides )
4x = 108 ( divide both sides by 4 )
x = 27
Answer:
Step-by-step explanation:
Simplifying
4x + 2y = 18
Solving
4x + 2y = 18
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-2y' to each side of the equation.
4x + 2y + -2y = 18 + -2y
Combine like terms: 2y + -2y = 0
4x + 0 = 18 + -2y
4x = 18 + -2y
Divide each side by '4'.
x = 4.5 + -0.5y
Simplifying
x = 4.5 + -0.5y
////////////
Simplifying
y = -2 + 9
Combine like terms: -2 + 9 = 7
y = 7
Solving
y = 7
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Simplifying
y = 7
BY USING MIDDLE TERM SPLITTING,
2x^2-(4x+x)+2=0
(2x^2-4x)-(x-2)=0
2x(x-2)-1(x-2)=0
(2x-1)(x-2)=0
Two solutions are 2, 1/2
HOPE THIS WILL HELP U
How do you know if the equation for a problem is multiplication? Well, lets go and review: Multiplication is :<span>A </span>mathematical<span> operation performed on a pair of numbers in order to derive a third number called a product. For positive integers, </span>multiplication<span> consists of adding a number (the multiplicand) to itself a specified number of times. Thus </span>multiplying<span> 6. :)</span>
Answer:
$13.60
Step By Step:
A nickle is worth 5 cents.
A dime is worth 10 cents.
A quarter is worth 25 cents.
5 Cents • 90 Nickles = 450
10 Cents • 16 Dimes = 160
25 Cents • 16 Quarters = 400
50 Cents • 7 fifty-cent pieces = 350
450 + 160 + 400 + 350 = 1360
A dollar is worth 100 cents.
1360 ÷ 100 = $13.60
