Answer:
c = 33
Step-by-step explanation:
23 + 2/3c = 45
Subtract 23 from oth sides
2/3c = 22
multiply both sides by 3/2
c = 33
Answer:
117
Step-by-step explanation:
Given
72 ÷ 8 + 4y³ with y = 3, substitute y = 3 into the expression
= 72 ÷ 8 + 4 × 3³ ← evaluate exponent
= 72 ÷ 8 + 4 × 27 ← evaluate division and multiplication
= 9 + 108 ← calculate addition
= 117
Answer:
Step-by-step explanation:
-4x+5y≥-5
when y=0,-4x≥-5
x≤5/4
when x=0,5y≥-5
y≥-1
draw a line through (5/4,0) and (0,-1)
put x=0,y=0
0≥-5
therefore origin lies on the graph.
Answer: 110000
Step-by-step explanation:
You first have to make an simple equation.
= How many pennies
= How many quarters
After that, since a penny is 5 Cents and a quarter is 25 Cents, we make the equation as:
(cents)
To write the whole entire thing in an equation is:
Since I brought the x from the left to right, we change the positive "" to negative ""
To bring the '' to , we get rid of the ""s from both equations.
Now, you are left with the simplified equation:
Now you find the .
= 28
Conclude:
So the y was the quarter and the x was the pennies.
Quarters = 13
Pennies = 28
