X = ones, y = fives
x + y = 19....x = 19 - y
x + 5y = 59
19 - y + 5y = 59
19 + 4y = 59
4y = 59 - 19
4y = 40
y = 40/4
y = 10 <=== there are 10 five dollar bills
x + y = 19
x + 10 = 19
x = 19 - 10
x = 9 <=== there are 9 one dollar bills
Answer:
The correct answer is 5.
Step-by-step explanation:
When c = 7, then we put that value in for c in the equation c - 2
c - 2
(7) - 2
5
Answer:
96
Step-by-step explanation:
you have to set up a proportion
64/100 equals to x/150
then you would do 150 times 64 then divided it by 100 to get the answer of 96
Answer:
(2,6)
Step-by-step explanation:
it will be 2and 6
y=-2+4x
2x-5y=_26
-18x+10=-26
y=-2+4x
x=2
y=-2+4x
y=-2+4(2)
y=6
Answer:
![\boxed{\sf a) \ 15.9}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Csf%20a%29%20%5C%2015.9%7D)
Step-by-step explanation:
The triangle is a right triangle.
We can use trig functions to solve for x.
cos θ = adj/hyp
cos(51) = 10/x
x = 10/cos(51)
x = 15.89015729