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dangina [55]
3 years ago
13

An airplane on autopilot took 8 hours to travel 5,760 kilometers. What is the Unit rate for kilometers per hour.

Mathematics
1 answer:
weqwewe [10]3 years ago
5 0
The answer for the 2nd one is c ur welcome btw idk what 1 is sry
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It take Zoe 12.5 minutes to swim 20 laps around the pool what is Zoe's unit rate
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All you have to do is divide 20 by 12.5
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In the figure to the right, if AC=12 and BC=9, what’s the radius?
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Step-by-step explanation:

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-(y-7)=14 solve the following equation
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First, distribute the negative sign and get -y + 7 = 14

then subtract 7 from both sides and get -y = 7

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Hope this helps :)

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3 years ago
Write each quadratic expression in standard form. Draw a diagram if needed.<br> (x+4)(x-1)
12345 [234]

Answer:

The standard form of the quadratic equation is x² + 3·x - 4 = 0

Step-by-step explanation:

The standard form of a quadratic equation is a·x² + b·x + c = 0

Given that the expression of the quadratic equation is (x + 4)·(x - 1) = y, we can write the given expression in standard form by expanding, and equating the result to zero as follows;

(x + 4)·(x - 1) = x² - x + 4·x - 4 = x² + 3·x - 4 = 0

The standard form of the quadratic equation is x² + 3·x - 4 = 0

The graph of the equation created with MS Excel is attached

4 0
2 years ago
The heights of 20-year-old females are normally distributed with a mean of 64 inches and a standard deviation of 2 inches. What
natali 33 [55]

Answer: z= -1

Step-by-step explanation: z= (62-64)/2 = -1

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3 years ago
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