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11111nata11111 [884]
3 years ago
7

How do you do this question

Mathematics
1 answer:
const2013 [10]3 years ago
6 0

Step-by-step explanation:

use the formula in picture

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Maeve’s family recipe for macaroni and cheese makes 4 servings of 310 calories each. Maeve decided to make 1 1/2 times the amoun
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1,860 calories

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You start with 4 servings of macaroni and cheese with 310 calories per serving. She made 1 1/2 times more of the 4 servings. 1 1/2 as a decimal is 1.5, and 1.5 times 4 is 6. With 310 calories per serving you get the problem 6 x 310 which equals 1,860. Therefore, there are 1,860 calories in Maeve's mac n' cheese

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3 years ago
Which line on the graph represents the equation y=3x-2
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Answer:

Line A.

Step-by-step explanation:

When you put x as zero into 3x-2, you get 3(0)-2. That equals -2. Therefore, y = -2. When x=0, that is the y-intercept, so the y-intercept is -2. Line A crosses the y-axis at -2, so line A has that y-intercept.

Slope is always y/x. On a graph, that is the number of squares UP over the number of squares ACROSS. Counting, we get, 3 squares up over 1 square across for line A. 3/1= 3. The slope is the number we multiply by x. In the equation, that is 3, because we see 3x, and no sign or space between 2 numbers automatically means we multiply. So line A also has the correct slope.

In linear equations (straight lines), the same slope and y-intercept are enough to tell you that the equation matches the line.

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3 years ago
High Construction Company distributed 8% of its total profit, an amount equal to $5500 in
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Given :

High Construction Company distributed 8% of its total profit, an amount equal to $5500 in  bonus this year.

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Let , total profit be x .

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So ,

\dfrac{8x}{100}=5500\\\\x=\dfrac{5500\times 100}{8}\\\\x=\$\ 68750

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√27

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√9, √36, and √81 are rational

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