lenardtyler lenardtyler
  • 22-01-2020
  • Mathematics
contestada

if x -5 and y = -8, evaluate the expression 4x2 -7y2

Respuesta :

ZaneRussum
ZaneRussum ZaneRussum
  • 24-01-2020

4*-5^2-7*-8^2

4*25-7*64

100-448

-348

Answer Link

Otras preguntas

How does the description of the Wingfields' apartment affect the play? It introduces some of the features that will be important later in the play. It provides
Why is it that cancer does not form every time there is a mistake during the cell cycle?
3.Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word. Bach Ma National Park close to the sea. (2.5 Điểm) A. is located B
Which item(s) will require a journal entry to update the balance in the cash account?.
P 1. Elements X and Y react to form an ionic compound a formula XY. What could be the proton (atomic) numbers of X and Y? X | Y A | 3 | 8 B | 6 | 8 C |
I need help with numbers 17 and 18.
Which of the following is not one of the big five personality dimensions.
An article when sold at a profit of 5% yields Rs 50 more than when sold at a loss of 5%. What was the cost price of the article?​
How much energy has 4x 1010 m³ of water collected in a reservoir at a 2. 3. height of 100 m from the power house? What kind of energy is that? (Given, mass of 1
A 1000 kg car and a 1500 kg car are driving in opposite directions at 20 m/s and 10 m/s respectively. If the cars collide head-on and stick together, determine