2 years ago

Find the substitution 2x+3y=-5 and y=-x+5

Mathematics

1 answer:

tatuchka [14]2 years ago

3 0

Answer: x = 20, y = -15

Step-by-step explanation:

Since we already know that $y=-x+5$ , we can just substitute in that value of y into the other equation:

$2x+3y=-5\\2x+3(-x+5)=-5\\2x-3x+15=-5\\-x=-5-15\\-x=-20\\x=20$

with the value of x, we can find the value of y:

$y=-x+5=-20+5=-15$

You might be interested in

Which best describes the clusters in the data set? Number of Fish in Each Tank at the Pet Store A dot plot going from 10 to 15.

melamori03 [73]

Answer:

Answer is D

Step-by-step explanation:

I took the test and it is right because there are 2 chunks of dots in two spots

8 0

3 years ago

Read 2 more answers

Find an explicit rule for the nth term of the arithmetic sequence. -13, -7, -1, 5, ...

Bad White [126]

Answer:

-13 + 5*n-1 I think

Step-by-step explanation:

8 0

3 years ago

A ___ is a transformation that changes the size but not the shape of a figure. A dilation can ____ or ____ a figure

Liula [17]

Answer:

1) Dilation

2) enlarge or shrink

Step-by-step explanation:

1) The shape stays the same, but the area and size change based upon the scale factor (k)

2) Dilation can shrink or enlarge something based upon a scale factor

Vote Brainliest!!

8 0

3 years ago

A group of friends wants to go to the amusement park. they have no more than $405 to spend on parking and admission. parking is

lakkis [162]

$20+38.50x \leq 405$

4 0

2 years ago

Sneezie's Tissues currently packages

QveST [7]

Answer:

3 times

Step-by-step explanation:

Volume of the pyramid:

V = lwh/3

Volume of the prism:

V = lwh

Since all dimensions remain as is, the volume of the prism is:

lwh / (lwh/3) = 3 times greater

6 0

3 years ago