Answer:
x = 4
y = -3
Step-by-step explanation:
We can use substitution, elimination, or graphically.
Step 1: Rearrange first equation
2x + 4y = -4
2x = -4 - 4y
x = -2 - 2y
Step 2: Rewrite systems of equations
x = -2 - 2y
3x + 5y = -3
Step 3: Substitution
3(-2 - 2y) + 5y = -3
-6 - 6y + 5y = -3
-6 - y = -3
-y = 3
y = -3
Step 4: Find <em>x</em> using <em>y</em>
2x + 4(-3) = -4
2x - 12 = -4
2x = 8
x = 4
Graphically:
Use a graphing calc and analyze where the 2 lines intersect.
Answer:
(g ⚬ f)(x)
Step-by-step explanation:
(g ⚬ f)(x)
B. 40 fluid ounces of lemonade
Answer: One solution.
Step-by-step explanation:
2(2x-3)+5x=4x+8x
4x-6+5x=12x
9x-6=12x
-6=3x
x=-2
<span>40 <= x =<100 inequality shows the right answer.
Explanation:-
Since she has to reach the $200 mark by selling cakes at the rate of $5 each.
So, the minimum number of cakes should be 200/5 which is equals to 40.
Hence minimum value of number of cakes (x) = 40
It is given that She has 100 cakes this implies that maximum value of x can be 100.
hence X can be any value between 40 to 100 both inclusive.</span>
