3 years ago

The sum of the equations -8x - 2y = 54 and 4x + 10y = 10 is an equation in one variable.

1 answer:

5 0

Multiplying first equation by .5:
A) -4x -y = 27 then adding equation B)
B) 4x + 10y = 10
9y = 37
y = 4.1111111111 

x =
-4x - 4.1111111111 = 27
-4x = 31.1111111111
x = -7.7777777778

You might be interested in

A bread recipe calls for 2 cups of wheat flour and 3 1/4 cups of white flour. How much flour does the recipe call for altogether

marusya05 [52]

Answer:

Step-by-step explanation:

2+3.25=5.25 or 5 1/4 cups of flour total

8 0

3 years ago

(15 points) Which expression has a value of 5 x 10^-3

velikii [3]

Answer:

Yellow is the answer

Step-by-step explanation:

6 0

3 years ago

Given the table, write an expression for the function, and describe what it does. A) y = 2x. y is double x. B) y = 3x. y is trip

KonstantinChe [14]

Answer:

It's D

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

If you wanted to figure

inysia [295]

Answer:

solid gemontery

Step-by-step explanation: Plane geomentry is flat and soild is balls sqaures and other types of shapes.

6 0

3 years ago

If y varies inversely as x and y = 4 when x = 12, find the constant of variation

Artyom0805 [142]

X is not equal to the answer so y is incorrect

3 0

3 years ago