reginaazharyiap0a6zj reginaazharyiap0a6zj

01-12-2017
Mathematics

contestada

5x-3y when x = 7 and y = -8

Respuesta :

thebairdfamily5 thebairdfamily5

01-12-2017

You place the values of x and y in the equation:

5(7)-3(-8)

35+24 (negatives cancel out)

59 is the answer

Answer Link

chudung1976 chudung1976

01-12-2017

By replacing x=7 and y= -8 we obtain
5x-3y= 5x7-3x(-8)=35+24=59
The answer is 59

Answer Link

Otras preguntas

is building a house a

Find the RANGE for the data set: 47, 45, 42, 40, 42, 39, 40,38, 25, 38, 36, 39, 40, 42, 47, 40

If you have a cold, what steps can you take to keep from spreading it to other people? Explain

Jade wants to verify that the expression 5(3x – 6) is equivalent to 15x – 30. She substitutes 2 into each expression and evaluates each one. How will she know i

What is the image of (4, -12) after a dilation by a scale factor of 1/4 centered at the origin?

TWO evidence of global warming in South Africa

Use trigonometry to find the missing values of the sides of the triangles below.

Which answer correctly describes the difference between covalent and ionic bonds? ionic: sharing of electrons covalent: transfer of electrons ionic: transfer of

find the squares of (x+2)

Complete the two-way frequency table below, which shows the relationship between students who enroll in art class and in music class in a particular high school