Question

The length of a rectangle is seven more than twice the width. If the perimeter is 80 inches, find the width and the length. Answer _______________________


The measure of the angle’s supplement is 18i more than twice the angle. What is the measure of the angle?
Answer _______________________


Convert 40i Celsius to degrees Fahrenheit. Use the formula C = (5/9) (F - 32) to solve.
Answer ____________

Answer 1

Answer:

let the width be x

perimeter of rectangle be 80 inch

P=l×b

q

$let \: the \: width \: be \: x \\ perimeter \: of \: rectangle \: be \: 80inch \\ perimeter = 2 \: \times \: \: |lengh + width| \\ 80 = 2 |7 + 2x + x| \\ 80 = 14 + 4x + 2x \\ 80 = 14 + 6x \\ 80 - 14 = 6x \\ 66 = 6x \\ \frac{66}{6} = x \\ 11 = x \\ \\ \\ \\ \\ \\ so \: the \: width \: is11inch \\ and \: lengthis \: 7 + 2 \times 11 \\ 7 + 22 \\ 29inch$

Step-by-step explanation:

Mark me Brainlist please