Answer:
16 feet, 18 feet, and 25 feet.
Step-by-step explanation:
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Angle A, B, and C add to 180.
Angle C = 180-(44+62)
Angle C = 74 degrees
Angle C and Angle D are vertical angles so Angle D = 74 degrees.
Angle D, E, and F add to 180.
Angle F = 180 - 50 - 74
A quadrilateral is a shape that has four equal sides.
For example: squares, rectangles, parallelogram
A parallelogram is a quadrilateral with 2 pairs of parallel sides.
A square can't be in the hierarchy under trapezoids, rectangles,or rhombus.
Answer:
Discount = Original Price x Discount %/100
Discount = 37.99 × 80/100
Discount = 37.99 x 0.8
You save = $30.39
Final Price = Original Price - Discount
Final Price = 37.99 - 30.392
Final Price = $7.60
The value of x and y in the equation -5x + 8y = -21 and 3x - 4y = 15 are 9 and 4 respectively.
<h3>What is an equation?</h3>
An equation is the statement that illustrates that the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.
The equation is given as:
-5x + 8y = -21
3x - 4y = 15
Multiply equation i by 3
Multiply equation ii by 5
-15x + 24y = -63
15x - 20y = 75
Add both equations
4y = 12
Divide
y = 12/4
y = 3
From 3x - 4y = 15
3x - 4(3) = 15
3x - 12 = 15
Collect like terms
3x = 12 + 15
3x = 27
Divide
x = 27/3
x = 9
Therefore, x = 9 and y = 4.
Learn more about equations on:
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