Since y=3x+15
sub 3x+15 for y in other equation

2x+3(3x+15)=1
2x+9x+45=1
minus 45
11x=-44
divide 11
x=-4

sub
y=3x+15
y=3(-4)+15
y=-12+15
y=3

(-4,3)

6 0

3 years ago

A box of cereal is reduced by 30%. The new box contains 35 ounces. How many ounces did the old box contain?

kumpel [21]

Answer:

45.5

Step-by-step explanation:

6 0

3 years ago

The side lengths of the base of this right triangular prism are 3 ft, 4 ft, and 5 ft. The height of the prism is 9 ft. What is t

Sladkaya [172]

Answer:

480

Step-by-step explanation:

5 0

2 years ago

Bill and josh exchanged phone number both have the same digits in them . The digits are 5,3,7,9,7,8 and 2 . Bills phone number i

Pepsi [2]

Bill's number is 235-7789. Josh's number is 987-7532. Hope this helps! Please give me brainliest!!

5 0

3 years ago