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Alla [95]
4 years ago
11

Someone plz help and include an explanation plz cuz I’m a lil confused

Mathematics
2 answers:
andreyandreev [35.5K]4 years ago
8 0
The formula for this qns is y1-y2 over x2-x1 so assume the scale is 1 to1
rodikova [14]4 years ago
4 0

Answer:

-\frac{5}{4}

Step-by-step explanation:

The slope of a graph is the rate of change between two points. To find the slope in a graph you use: \frac{rise}{run}=\frac{y}{x}

The y goes down by 5 and right by 4 so it'll be -\frac{5}{4}

Also: If the line is going down the slope is always negative and vise versa

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Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $29 monthly fee
attashe74 [19]
Answer:
With 250 minutes of calls the cost of the two plans is the same

Step-by-step explanation:
We must write an equation to represent the cost of each call plan.
For the first plan
Monthly fee
$ 13
Cost per minute
$ 0.17
If we call x the number of call minutes then the equation representing the cost c for this plan is:

For the second plan
monthly fee
$ 23
Cost per minute
$ 0.13
If we call x the number of call minutes then the equation representing the cost c for this plan is:

To know when the cost of both plans are equal, we equate the two equations and solve for x.



With 250 minutes of calls the cost of the two plans is the same: $55.5
3 0
3 years ago
9(b+7)= 72 what is the b
kupik [55]
9b+63 = 72 
9b = 9 (subtract 63 from both sides)
b = 1 (divide both sides by 9)
8 0
4 years ago
Read 2 more answers
-5n-6n&lt; 8-8n-n <br> can someone please give me the answer?
Olin [163]

Answer:

-5n-6n< 8-8n-n

-11n < -9n + 8

-2n < 8

<u>n > -4</u>

4 0
3 years ago
Read 2 more answers
Which of the following can be used to inscribe a circle in a triangle? A. circumcenter B. incenter C. orthocenter D. centroid
Anuta_ua [19.1K]
B. incenter

The incenter is the point on the interior of the triangle that is equidistant from all sides. Since a point interior to an angle that is equidistant from the two sides lies on the angle bisector, then the incenter must be on the angle bisector of each angle of the triangle.

The incenter will be the center of an inscribed circle because it is equidistant from all three sides, hence the equal radii of the inscribed circle.

Circumcenter, on the other hand, is used to find the center of a CIRCUMSCRIBED circle around the triangle touching all three vertices.
6 0
3 years ago
Read 2 more answers
Chuck wants to draw three-dimensional figure whose lateral faces are rectangles he says he can draw prisms and pyramids
user100 [1]
you can also draw a 3-dimensional cube

7 0
3 years ago
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