Answer:
1st: -3 -5
_y+_
2 2
2nd -3y-5
____
x
Step-by-step explanation:
Answer: 6x+5y=28
Step-by-step explanation:
Looking at the first equation, we can tell that x stands for notebooks and y stand for pens. Since this talks about the total cost with the amount of products they bought, we can automatically eliminate the subtracting answer choices.
Now, we know that 6x+57=28 is the correct answer because Sonja bought 6 notebooks and 5 pens. This becomes 6x+5y.
Answer:
75%
Step-by-step explanation:
Answer:
572.3
Step-by-step explanation:
Diameter = 27m
Radius = d / 2 = 27 / 2 = 13.5m
Area = pi x r²
= 3.14 x (13.5)²
= 3.14 × 182.25
= 572.3
Answer:
Step-by-step explanation:
substitute (1) to (2):
add x to both sides
subtract 5 from both sides
substitute the values of x to (2):
