keyannahhaskins keyannahhaskins

02-10-2018
Mathematics

contestada

What is the value of –2x2 + 4y if x = –2 and y = 3?

Respuesta :

Katella Katella

02-10-2018

Simplify

((-2)(-2))(2)+(4)(3)

The answer is 20.

Answer Link

asmikaulgud asmikaulgud

02-10-2018

You would first substitute x and y into the equation so: -2(-2)^2+4(3)

Then you solve:

-2(-2)^2+4(3)

8+12

so your answer will be 20

Answer Link

Otras preguntas

how does henry exercise his power in chapter four of lord of the flies

Step 5: place the remaining hydroxy and hydrogen substituents. Review the previous steps to determine the position of the substituents on carbons 1 and 5

Can someone please help me with this assignment, this is due today

help me w this question please

The magnetic field perpendicular to a single wire loop of diameter 10.0 cm decreases from 0.50 T to zero. The wire is made of copper and has a diameter of 2.0 m

In modern day terms, what determines the classification behind a white-collar crime? A. the profession of the victim B. the profession of the criminal C. the

Kimbanguism is a branch of Christianity that started in the 1920s based off the Christian Bible and the supposed healings of a missionary. True False

Please help me with 20 through 22 please I really appreciate it! Thank you very much!

what is the least common denominator of 1/3 and 1/6

Suppose if, instead of depositing the $600 all at once, you deposit nothing at the beginning and you divide up the $600 into 12 envelopes each with $50. Find th