srb7 srb7
  • 09-10-2017
  • Mathematics
contestada

Work out the value of 3x + 2y when x=4 and y=-5

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 09-10-2017

3x + 2y =

3*4 + 2*-5=

12 + -10 = 2


Answer Link
penfila11Pen
penfila11Pen penfila11Pen
  • 09-10-2017
Just substitute the equation with the given

The given are 
x = 4 and y = -5
the equation is
3x + 2y
3 (4) + 2 (-5) = 12 - 10 = 2
Answer Link

Otras preguntas

In "A Poison Tree," what is the symbol of the speaker's anger? a. the water b. the tree c. tears d. a vial of poison This is the poem: I was angry with my frie
If you were to drive from the United States to South America, this is the first South American nation you would enter. What is this nation?
mr.warren has 90 students in his class. 18 students earned all A's. What precent of mr.warrens class earned all A's?
How does the focus of the primary source article "Mrs. Hossack a Murderess" differ from the Midnight Assassin excerpt?
What is the value of z?
Write about TADA program in school which is your favorite and why
Peru is known for _____. the Incas its love of baseball llamas Machu Picchu
what is the exact circumference of a circle with an area of 144 times pi square feet
what is a main principle of Adam Smith's The Wealth of Nations
what is the exact area of a circle with the circumference of 18 pi centimeters