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VMariaS [17]
3 years ago
5

How do I do rate of change???

Mathematics
1 answer:
Bad White [126]3 years ago
7 0

Answer:

12

Step-by-step explanation:

For our problem since we only in 10 am:

I'm going to let x=4 represent the time 10:04 am

which means I'm going to let x=17 represent 10:17am.

So when x=4, y=23 miles and when x=17,y=179 miles.

You have two points.

You can use the formula m=\frac{y_2-y_1}{x_2-x_1}.

Or just line the points up vertically and subtract them vertically, then put 2nd difference over first difference. Like this:

(    17  ,   179)

-(     4 ,      23)

-----------------------

   13          156

So the slope is 156/13=12 miles/hour.

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A company mixes pecans, cashews, peanuts, and walnuts to make a batch of mixed nuts.
Pachacha [2.7K]

Answer:

500 lbs of mixed nuts

Step-by-step explanation:

15.4% of mixed nuts = 77 lbs of pecans

Divide the weight of pecans by the percent of mixed nuts to find how many pounds of pecans equal 1% of the mixed nuts:

77 / 15.4 = 5,  so 5 lbs equals 1% of mixed nuts

Now multiply that number by 100 to get 100% of mixed nuts:

5 x 100 = 500

Therefore, there are 500 lbs of mixed nuts in a batch altogether.

To check, 15.4% = 15.4/100 = 0.514

Therefore, 15.4% of 500 = 0.514 x 500 = 77

Thereby proving that 15.4% of 500 is 77.

8 0
2 years ago
In the diagram below, trapezoid ABCD maps to trapezoid A’B’C’D’
snow_tiger [21]

Answer:

C'

Step-by-step explanation:

Given

ABCD to A'B'C'D'

Required

Corresponding angle of C

ABCD to A'B'C'D' means that the following angles are corresponding

A \to A'

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Hence, C' corresponds to C

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2 years ago
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Which addition expression
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The correct answer is B. If you drop the parenthesis and collect like terms you get 8-3i.
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Some steps to rewrite the expression x3 − 4x + x2 − 4 as a product of three factors are shown below:
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9.5 less than a number n equals 27
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Answer:

convert 9.5

n-9=27

Step-by-step explanation:

I converted it for you.

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