Answer:
(19.20.21.22.23.24.25.26.27)
Answer:
x = -7/40
, y = -11/20
Step-by-step explanation:
Solve the following system:
{12 x - 2 y = -1 | (equation 1)
4 x + 6 y = -4 | (equation 2)
Subtract 1/3 × (equation 1) from equation 2:
{12 x - 2 y = -1 | (equation 1)
0 x+(20 y)/3 = (-11)/3 | (equation 2)
Multiply equation 2 by 3:
{12 x - 2 y = -1 | (equation 1)
0 x+20 y = -11 | (equation 2)
Divide equation 2 by 20:
{12 x - 2 y = -1 | (equation 1)
0 x+y = (-11)/20 | (equation 2)
Add 2 × (equation 2) to equation 1:
{12 x+0 y = (-21)/10 | (equation 1)
0 x+y = -11/20 | (equation 2)
Divide equation 1 by 12:
{x+0 y = (-7)/40 | (equation 1)
0 x+y = -11/20 | (equation 2)
Collect results:
Answer: {x = -7/40
, y = -11/20
What is the height of the cylinder??
Answer:
10
Step-by-step explanation:
20 quarters: $5 and
10 nickels: 50 cents
20-10=10
Answer:
9 1/12 minutes per mile
Step-by-step explanation:
"minutes per mile" has the form
minutes
---------------
mile
So we write 45 5/12 minutes in the numerator and 5 miles in the denominator:
45 5/12 min
---------------------- = 9 1/12 minutes per mile
5 miles