My favorite recipe for lemonade calls for 4 cups of water to 3/4 cups sugar. How
1 answer:
Answer and Step-by-step explanation:
To find the unit rate, divide the 4 cups of water and the cups sugar by 4 to get a unite rate for 1 cut of water.
<u>4 divided by 4 equals 1.</u>
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<u /><u> divided by 4 equals </u>
<u>.</u>
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<u>Now, we multiply </u><u> by 6.</u>
<u></u><u> is how many cups of sugar that needs to be measured for 6 cups of water.</u>
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Answer:
3. 2x + y = −1
Step-by-step explanation:
To find the equation of the line, we write it first in the slope-intercept form:
where
m is the slope
q is the y-intercept
From the graph, we see that the line crosses the y-axis at y = -1, so the y-intercept is -1:
Now we have to find the slope, by calculating the rate of change of the line through 2 points:
Taking the two points at (-2,3) and (1,-3), we find:
So the equation of the line is
Now we have to re-arrange it in the standard form, so in the form
where a, b and c are integer numbers.
To do that, we simply add +2x on both sides of the equation of the line in the slope-intercept form, and we get:
So, option 3).