the length of a rectangle exceeded twice its width by 3 inches. If the area is 10 square inches,.find the rectangle's dimensions. Round to the nearest tenth of an inch.

the length of a rectangle exceeded twice its width by 3 inches. If the area is 10 square inches,.find the rectangle's dimensions. Round to the nearest tenth of an inch.

The height of a right-angled triangle is 3 cm more than the width. The area is 10 cm2. Find the width of the triangle.

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Need Help!!

For each $6 decrease in price, the store expects to sell eight more calculators.The revenue from calculator sales is given by the function R(n) = (unit price)(units sold), or R(n) = (120 - 6n)(80...

Use the quadratic formula to solve x^2 + 6x = 14. Show ALL work and Then describe the solution. Answer:

Use the quadratic formula to determine the exact solutions to the equation. 2x^2 − 5x + 1 = 0 Enter your answers in the boxes. x = ______ or x = ________

7x2 - 10x - 1 = 0

x2 - 2x + 9 = 0 A.)Find discriminant & determine types of solutions B.)Solve with with quadratic formula

8n2 + 4n - 16 = -n2

A stone is thrown upward at a velocity of 32 ft./s from a mountain 240 feet high when will the stone hit the ground

I believe this question is very simple, I just would like to know why in this specific example (2x3+2x2-19x+20=0) once I am done plugging in the trinomial into the quadratic formula and get...

The question is written like this: The width of a rectangle is (x+2) cm. The perimeter of the rectangle is 6(x+1) cm. The area of the rectangle is 18 cm2. Show that 2x2+5x-16=0...

What is the length and width?

i don't how to solve the question.can u please help me. i want the answer..

a) f(x) = x3 − 5x2 + 2x + 12 b) g(x) = 4x3 − 6x2 + 1

Solve using Quadratic equation

500=2.2v+v2/20

I am trying to find a equation that would graph a parabola given the vertex and both x intercepts. Can you please help? Thanks.

I know I have to use the quadratic formula, but not sure how to get started. x=x0+v0t+(1/2)at^2, solve for t