Answer:
(3x+2)(x+5)
Step-by-step explanation:
The answer would be B) 6, 4
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X - price per pound of cheddar cheese;
y - price per pound of chicken loaf;
2 x + 3 y = 26.35 / * 2
1.5 x + 2 y = 18.35 / * ( - 3 )
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4 x + 6 y = 52.7
+
-4.5 x - 6 y = - 55.05
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- 0.5 x = - 2.35
x = 2.35 : 0.5
x = $4.7
6 y = 52.7 - 18.8
6 y = 33.9
x = 33.9 : 6
y = $5.65
Answer: Cheddar cheese costs $4.7 per pound and chicken loaf costs $5.65 per pound.
Answer: The first thing we need to do is find the slope--the rise over run. We can find it by using the formula:
(y2 - y1) / (x2 - x1), that is we subtract the x an y values of our two points and then divide:
(-4 - -10) / (9 - 9)
(-4 + 10) / (9 - 9)
6 / 0
We cannot divide by 0. Our slope is essentially infinity, or a straight line up and down. This means we take a look at the x-coordinate: 9. This means our equation is:
x = 9
because no matter what we use for y, x will always stay at 9
Step-by-step explanation:
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Answer: -2
Step 1: Write an equation
Before we are able to solve, we need to write an equation. We can do this by breaking down the equation. We are told to find the sum of -4 and the difference of another two numbers. Sum means addition, so we will add -4 to the difference of 3 and 1. Because we are adding to the difference, we will put 3 and 1 inside of parentheses, and find the difference before we add. Knowing this, we can write the equation. Let’s do this now.
-4+(3-1)
Step 2: Solve
Now that we have the equation we can solve for the answer. Let’s start by finding the difference, as indicated by the parentheses. After that, we can find the sum of that number and -4 by adding them together. We can do this now.
-4+(3-1)
-4+2
-2
This is your answer! The sum of -4 and the difference of 3 and 1 is -2. Hope this helps! Comment below for more questions.