3 years ago

Use substitution to solve the system. y = 3x +16 4x - 5y = -25

Mathematics

2 answers:

mariarad [96]3 years ago

6 0

Answer:

(-5,1)

Step-by-step explanation:

y=3x+16

4x-5y=-25

substitute the given value of y into the equation.

4x-5(3x+16)=-25

solve

x=5

substitute the given value of x into the equation.

y=3x(-5)+16

solve

y=1

(-5,1)

jekas [21]3 years ago

4 0

Answer:

x=-5

y=1

Step-by-step explanation:

4x-5y=-25

4x-5(3x+16)=-25

-11x-80=-25

-11x-80+80=-25+80

-11=55

-11x/-11=55/-11

x=-5

y=3x+16

y=3(-5)+16

y=-15+16

y=1

You might be interested in

pablo is making a sandwich for a picnic.He has 32 slices of turkey and 24 slices of cheese.If pablo wants to make the maximum nu

mezya [45]

You find the HCF which is 8
you divide 32 and 24 by 8
which will give you 4 and 3 respectively
therefore there will be 4 slices of turkey and 3 slices of cheese in each sandwich.
and there will be 8 sandwiches...

6 0

3 years ago

Please help! 60 points!

podryga [215]

Answer:

Step-by-step explanation:

try method B, hope it helps

4 0

3 years ago

Read 2 more answers

I need help with a scatter plot

xeze [42]

Answer:

Scatter plots are like graphs in which you plot points. The rate can vary. They are mainly used to compare temperatures, or weather. Also other types of data like population.

4 0

3 years ago

Graph the line with the equation y=-2x + 6.

motikmotik

Answer:

can you show a link to the graph

Step-by-step explanation:

it will help me answer

8 0

3 years ago

Is the following shape a rectangle? How do you know?

pogonyaev

I would think it’s a square

7 0

2 years ago