Find the unit rate, and then use it to solve the problem.

1 answer:

3 0

If the company makes 50 deliveries in 5 days, he makes 50/5=10 deliveries per day. Therefore, 400 deliveries will take 400/10=40 days. D is the correct answer.

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Which point is a solution to the system x2 + y2 ≤ 25 and x < y2 – 2?

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describe a real-world situation that can be modeled by the equation y=1/20x. Be sure to describe what each variable represents.

MissTica

Y = 1/20x

In this equation, y is equal to one twentieth times x. Using PEMDAS (parentheses, exponents, multiplication and division, addition and subtraction) from left to right, we would first divide 1 by 20 and then multiply it by x. An example of a real world problem is this:

Georgia is throwing a party for her friends. She has a large cake to split among all of the party guests. She has cut the cake into 20 slices for each of the friends who show up. She wants to know how much cake she will give in total to all of her friends.

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4 years ago

Find the distance between (2,3) and (-4,9). If you get a radical (square

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Answer:

Length is 6√2 units or 8.49 units

Step-by-step explanation:

Length formular:

$length = \sqrt{ {(x _{2} - x_{1}) }^{2} + {(y_{2} - y_{1})}^{2} }$

x1 is 2

x2 is -4

y1 is 3

y2 is 9

$length = \sqrt{ {( - 4 - 2)}^{2} + {(9 - 3)}^{2} } \\ \\ = \sqrt{ {( - 6)}^{2} + {6}^{2} } \\ \\ = \sqrt{36 + 36} \\ = \sqrt{2 \times 36} \\ = \sqrt{2} \times \sqrt{36} \\ { \boxed{ \boxed{= 6 \sqrt{2} }}} \\ = 8.49 \: units$

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3 years ago