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Rufina [12.5K]
3 years ago
13

What best describes how to evaluate a variable expression?

Mathematics
1 answer:
Kaylis [27]3 years ago
7 0
<span> To replace each letter with its value, and then finish it by doing the order of the operation/ solve it.</span>
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The scatter plot below shows the relationship between the length (x) in meters and mass f(x) in kg of a marine animal
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Answer:

Option C.

Step-by-step explanation:

As we can see from the graph, we have plotted the different points.

If the line drawn through the scatter plots, shows the relationship between the length x and mass f(x) then the function will be in the form of

f(x) = mx + b

where m = slope of the line that fits the best

b = y-intercept of the line

Since the plotted line passes through two pints (1, 1) and (10, 94).

Then the slope m = \frac{y-y'}{x-x'}

m = \frac{(94-1)}{10-1}

m = \frac{93}{9}

m = 10.3

Now we place the coordinates (1, 1) in the equation to find the value of y-intercept b.

1 = 10.3 + b

b = 1 - 10.3

b = -9.3 ≈ 9

So the function will be f(x) = 10.3x - 9

Option C is the answer.

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3 years ago
Someone plz help me !<br> Giving brainliest
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Answer:

(6,3)

Step-by-step explanation:

It will make a weird diamond shape.

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Step-by-step explanation:

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<em>or</em><em>,</em><em> </em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>}</em><em> </em><em>=</em><em> </em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>}</em><em> </em><em>.</em><em>Ans</em>

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I think its b that what it looks like to me
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Amy runs 9 miles in 56 minutes. How many minutes does she take per mile?
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