HungryForKnowlage HungryForKnowlage

12-05-2017
Mathematics

contestada

Math Help PLEASE!!

Simplify: (3r² + 7r + 1) + (4r² - 8r - 2)

A. 7r² + 15r - 1
B. 7r² - r - 1
C. 7r² - 15r - 3
D. -r² - r - 1

Respuesta :

fussellk fussellk

12-05-2017

combining like terms............
3r^2 + 7r + 1 + 4r^2 - 8r - 2
7r^2 - r - 1

Answer Link

Otras preguntas

Word Root Meaningdem- peoplemorph- shapephon-soundphot-lightWhat is a phonometer?1. an instrument that measures forms2. a record of human population growth3. a

what is the interquartile range 16,16,32,51,63

B A 8310'18" KNOWN: DISTANCE BC = 733.41 DISTANCE CD = 387.67 BAD = 83°10'18" D FIND: DISTANCE AB = REQUIRED ANSWER FORMAT DISTANCES: NEAREST HUNDREDTH DISTANCE

The sum of 3/3-5 and eqifdjbvfik

peter and camilla myers live in a city where the tax rate is 83.21 mills. the rest of assessments is 30 percent

Select the correct answer from each drop-down menu.Within which range does a Local Area Network (LAN) work?A Local Area Network (LAN) covers short distances, ge

You want to instruct your assistant to cut food into thin, stick-like pieces. Whatdo you tell him to do to the food?Parboil it.C Julienne it.Garnish it.Mince it

__ NH3(g) __ O2(g) --> __ NO(g) __ H2O(g) ΔHrxn = -1132 kJ Balance the above chemical equation. In order to generate 875.8 kJ of energy, how many grams of NH

88 OPCION MULTIPLEPregunta 13Escuchar¿Qué porcentaje (%) de un nutriente por porción debe contener un alimentopara que se considere alto en ese nutriente?A10-15

Which step is first in the decision-making process?taking actionOweighing the evidenceO identifying the decisionO considering the alternatives