Desosalbetsybove Desosalbetsybove

24-11-2016
Mathematics

contestada

Evaluate and Explain

3t(t+2)-3t^2 for t=19
and
Simplifiy
-(3a-2b)-3(-a-b)

Respuesta :

HomertheGenius HomertheGenius

25-11-2016

1 ) 3 t ( t + 2 ) - 3 t² =
= 3 t² + 6 t - 3 t² = 6 t = 6 · 19 = 114

2 ) - ( 3 a - 2 b ) - 3 ( - a- b ) =
= - 3 a + 2 b + 3 a + 3 b = 5 b

Answer Link

Otras preguntas

In which sample of water do the molecules have the highest average kinetic energy 1)20. ML at 100.°C 2)40. ML at 80. °C 3)60. ML at 60.° C 4)80. Ml at 40.° C

When was the treaty of Paris which officially ended the revolutionary war with the British signed ? A: 1783 B: 1781 C:1789 D: 1776

The Parent Association (PA) is ordering caramel apples.A box holds 20 caramel apples. If the PA ordered 50 boxes,how many caramel apples did they order? Show yo

what are the solutions to the equation: [tex]2 {x}^{2} - 4x + 5 = 0[/tex]

2 and 1/7 :(15a)= 5/14 :(0.8)

What is n equal to in 3n-10=n+4

A cross country runner ran 2 miles in 1/4 hour. What is the average speed of the cross country runner in miles per hour? Need help ASP plssss

A model of fossils formed on land, on the shore, and in water was set up in Ms. Bill’s classroom. One of the students commented that the model gave her the wron

Each side of rhombus 7 cm find the perimeter of a rhombus

I need all questions answer please someone help me!!!