leilanig1206
leilanig1206 leilanig1206
  • 13-09-2021
  • Mathematics
contestada

-a^2-b+5ab with a=4 and b=-7

Respuesta :

DavidWF
DavidWF DavidWF
  • 13-09-2021

Answer:

-149

Step-by-step explanation:

To solve, we must first plug our known values for a and b into the equation and then follow the order of operations.

1. [tex]-(4)^{2} -(-7)+5(4)(-7)[/tex]

2. [tex]-16-(-7)+5(4)(-7)[/tex]

3. [tex]-9+5(4)(-7)[/tex]

4. [tex]-9+20(-7)[/tex]

5. [tex]-9-140=-149[/tex]

Answer Link

Otras preguntas

If x+4/4 = y+7/7 then x/4=___
find the measure of each exterior angle in a 17-gon
The map shows the location of the airport and a warehouse in a city. Though not displayed on the map, there is also a factory 104 miles due north of the warehou
Find the exact value of sin(11pi/12)cos(pi/6)-cos(11pi/12)sin(pi/6)
is the answer a, b, c, or d.
the world-systems approach argues that peripheral nations exploit core nations in various ways True or False?
The sector of a circle with a 60-millimeter radius has a central angle measure of 30° . What is the exact area of the sector in terms of ​ π ​? Enter your
Help please! I’m really confused
A historian using the thinking skill of primary source analysis might
John is convinced that his potato chip is in the shape of elvis's face. john is demonstrating _______.