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Arada [10]
3 years ago
6

Find the slope of the line through (-1,1) and (3, -4)

Mathematics
1 answer:
jarptica [38.1K]3 years ago
7 0

Answer:

    = -5/4

Step-by-step explanation:

The slope through two points can be found by

m = (y2-y1)/(x2-x1)

   = (-4-1)/(3--1)

   = (-4-1)/(3+1)

    = -5/4


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A tetrahedron is a triangular pyramid whose four faces are identical equilateral triangles. The total lateral surface area is 93
Westkost [7]

Answer:

SA = 124 cm²

Step-by-step explanation:

The lateral surface area is the area of all sides besides that base, so 93 cm² is the sum of 3 sides of the tetrahedron.  

93/3 = 31 cm² per side, there are 4 sides, so 31(4) = 123 cm² is the total surface area

6 0
3 years ago
Which statement is TRUE concerning the slope of the line formed by the hypotenuse of each triangle?
Y_Kistochka [10]

Answer:

I think it's A or B. My gut says A

6 0
3 years ago
Read 2 more answers
State the domain of the relation.
gogolik [260]

Answer:

The Domain of the relationship is the set: {-3, -2, -1, 0, 1, 2} (Answer B)

Step-by-step explanation:

Let's recall that the Domain of a relationship is the set of values in the starting set for which there is a correspondent value in the final set.

In this case, we have a set of numbers on the x axis, which are connected with values in the y axis as indicated by the plotting of the points on the (x,y) plane.

The Domain will consist of all those x-values for which we see in the given plot connected to a corresponding y-value.

So, we see that:

the x-value -3 is connected to the y-value -4

the x-value -2 is connected to the y-value -3

the x-value -1 is connected to the y-value -1

the x-value 0 is connected to the y-value 0

the x-value 1 is connected to the y-value 3

and the x-value 2 is connected to two y-values:  4 and 5

Therefore all those x-values are part of the Domain of this relationship. That is, the set: {-3, -2, -1, 0, 1, 2}

7 0
3 years ago
What is the product? 1/2• [12 64 78 30]
Marina86 [1]
Option C is the right answer

½(12) = 6
½(64) = 32
½(30) = 15
½(78) = 39
4 0
3 years ago
A number increased by 4 is the same as 19 minus 2 times the number
ElenaW [278]

Hello from MrBillDoesMath!

Answer:

n = 5


Discussion:

Let the original number be "n"  Translating the problem  statement to mathematical symbolism:

n + 4 = 19 - 2n                   =>  add 2n to both sides

n + 2n + 4 = 19 - 2n + 2n  =>  combine like terms

3n + 4 = 19                        => subtract 4 from both sides

3n = 19 -4  = 15                 => divide both sides by 3

n = 15/3 =5


Check: Does 5 +4 = 19 - 2(5)? Does 9 = 9? Yes. so the value for n is confirmed correct.


Thank you,

MrB

6 0
3 years ago
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