pheoeobe2533 pheoeobe2533

10-10-2017
Mathematics

contestada

A rectangle has length x+9 and width 2x-1 what are the areas of the rectangle

Respuesta :

kritter1 kritter1

10-10-2017

Area=l*w

a=(x+9)(2x-1) <--- Use FOIL

a=2x²-x+18x-9
a=2x²+17x-9

Hope I helped :)

Answer Link

Otras preguntas

the domain set of C = {( 2, 5), (2, 6), (2, 7)}

Zheng He traveled across the ________ Ocean to trade with other countries. A Pacific B Atlantic C Arctic D Indian

After several years of driving long-haul trucks, Joe Blanka founded his own trucking company, Blanka Transport Inc. (BTI), which specialized in less-than-truc

Consider two independent Bernoulli r.v., U and V, both with probability of success 1/2. Let X=U+V and Y=∣U−V∣. (a) Calculate the covariance of X and Y,σ X,Y. (b

Express the decimal 0.51 as a fraction. (b) Prove that if m is any positive integer, the number √m + √5 is irrational. [You may assume without proof that √5 is

Show That The Equation Y′′=−4y Is Satisfied For Y=Sin2θ. [2A]

A restaurant has a rectangular patio section that is 8 88 meters wide by 6 66 meters long. They want to use fencing to enclose the patio

This discussion we are taking a strategic look at personal selling as part of the promotional mix of marketing. Can you think of a business where personal selli

Hondo (164 lbs) plays beach volleyball for 1 hour at an intensity of MET- 10. What was his total caloric expenditure for this activity? O 313.5 kcal 492.0 kcal

Show all steps of working in all questions 3.1 [AC3.1] Expand the following brackets and simplify/factorise where possible. d) 2(a²-a + 1) (3a²-4a-4)= e) 2x²(x