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kirill [66]
2 years ago
11

What is a simple way to tell that -31 is not the slope of this graph?

Mathematics
1 answer:
Trava [24]2 years ago
7 0

The change in x from A to B is positive. The line is going up, so the slope cannot be negative

:)

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What is the equation of the following line written in slope intercept form? (-5,-1)
solmaris [256]

Answer:

\large\boxed{y=-\dfrac{2}{3}x-\dfrac{13}{3}}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the graph we have two points (-5, -1) and (-2, -3).

<em>Look at the picture</em>.

Calculate the slope:

m=\dfrac{-3-(-1)}{-2-(-5)}=\dfrac{-2}{3}=-\dfrac{2}{3}

Put it to the equation in slope-intercept form:

y=-\dfrac{2}{3}x+b

We can't read the y-intercept from the graph. Therefore put the coordinates of the point (-5, -1) to the equation and calculate <em>b</em>:

-1=-\dfrac{2}{3}(-5)+b

-1=\dfrac{10}{3}+b         <em>subtract 10/3 from both sides</em>

-\dfrac{3}{3}-\dfrac{10}{3}=b\to b=-\dfrac{13}{3}

Finally:

y=-\dfrac{2}{3}x-\dfrac{13}{3}

4 0
3 years ago
A tortoise moves forward 15 meters in one hour. It turns around and crawls 10 meters in the
schepotkina [342]

Answer:

Below.

Step-by-step explanation:

15+10+8=33.

5 0
2 years ago
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Classify the following triangle check all that apply
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Answer:

Acute, Equilateral

Step-by-step explanation:

Acute because all angles (which are 60 degrees) are less than 90 degrees.

Equilateral because all sides are equal.

Please mark for brainliest!! :D Thanks!

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3 years ago
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13. A school is planning an excursion for all of their students to see the
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Answer:

Please Explain

Step-by-step explanation:

13. A school is planning an excursion for all of their students to see the

penguins on Phillip Island. They find a company who can provide

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passengers and one that holds 51 passengers. The coach company

has 8 of the smaller coaches and 4 larger coaches available.

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If there are 374 students and teachers going on the trip,

determine the minimum total cost for the coach hire.

5 0
2 years ago
A function is great to represent the cost per person to attend the school dance. What restrictions would be made to the domain
Cloud [144]

Answer:

(0, ∞)

Step-by-step explanation:

Take a look at "cost per person."  This involves dividing the total paid for admission tickets divided by the number of people attending.  Obviously this function would not be defined for zero attendees or for partial attendees.  Thus, the domain is made up of all integers greater than zero.

8 0
3 years ago
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