Answer:
x = 5
, y = 3
Step-by-step explanation:
Solve the following system:
{3 x + 4 y = 27 | (equation 1)
5 x - 3 y = 16 | (equation 2)
Swap equation 1 with equation 2:
{5 x - 3 y = 16 | (equation 1)
3 x + 4 y = 27 | (equation 2)
Subtract 3/5 × (equation 1) from equation 2:
{5 x - 3 y = 16 | (equation 1)
0 x+(29 y)/5 = 87/5 | (equation 2)
Multiply equation 2 by 5/29:
{5 x - 3 y = 16 | (equation 1)
0 x+y = 3 | (equation 2)
Add 3 × (equation 2) to equation 1:
{5 x+0 y = 25 | (equation 1)
0 x+y = 3 | (equation 2)
Divide equation 1 by 5:
{x+0 y = 5 | (equation 1)
0 x+y = 3 | (equation 2)
Collect results:
Answer: {x = 5
, y = 3
The question is:
A recipe for a batch of 3 dozen chocolate chip cookies calls for 3 cups
of flour 1 cup of suger and 2 cups of chocolate chips how much of each
ingredient should be used to make 2 dozen cookies?
find ratio
for 3 dozen batches, you need 3 cups of flour
so dozen of batches=number of cups of flour
then 3 dozen batches is 1 cup of sugar
so every dozen batches is 1/3 cup sugar
then 3 dozen batches is 2 cups choc chips
so every dozen is 2/3 cups choc chips
for 2 batches
that is 2 cup of flour
2/3 cup of sugar
and 4/3 cup chocolate chips
Answer:
y = 1/x+2 + 3
Step-by-step explanation:
x = -2
y = 3
Answer:
Our square root calculator estimates the square root of any positive number you want. Just enter the chosen number and read the results.
Step-by-step explanation:
