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tigry1 [53]
3 years ago
9

Which explains the error Krista made?

Mathematics
1 answer:
MariettaO [177]3 years ago
4 0
A is the right option! Because 0.40 should be in second equation with the x to represent the number of stamps multiply by 40 cents.
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3 years ago
Help. What is the slope of the line in the graph?
Lelechka [254]

Hello,

As you have not provided the graph, I can teach you how to answer the question.

You are solving for the slope of the line. The slope can be found by using the following equation:

slope (signified by the variable <em>m</em>) = \frac{y_2 - y_1}{x_2 - x_1}

Note that the numbers does not exactly matter, only that what you set as variable x_1, the y inside that coordinate will also be y_1, and likewise for point 2.

For example, let us say your points for your line is (3 , 6) and (10 , 4)

Let:

(x_1 , y_1) = ( 3 , 6)

(x_2 , y_2) = (10 , 4)

Plug in the corresponding numbers to the corresponding variables:

slope m = \frac{4 - 6}{10 - 3} = - \frac{2}{7}

The given points will result in a -\frac{2 }{7} slope.

Hope this helps!

4 0
3 years ago
Carl wants to put up a glow-in-the-dark sticker display on his bedroom ceiling. He needs a gallon of black paint which costs $12
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Step-by-step explanation:

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3. Hence -1.281551 = (x - 4) / 2 or, x = 1.436898, ( rounded to the nearest year ) = 1 year

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3 years ago
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