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krek1111 [17]
2 years ago
5

Explain the difference between proving triangles congruent using the SAS and SSS congruence postulates.

Mathematics
1 answer:
Tju [1.3M]2 years ago
7 0

Answer:

SAS means the share a common side then an angel then another side SSS means all of the sides are equal

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Will y=2 (x-3)²-7 make a parabola or a circle
loris [4]

Answer:

Parabola

Step-by-step explanation:

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Draw the graphs of the equations x – y = 1 and 2x + y = 8. Shade the area bounded by these two lines and y-axis. Also, determine
NikAS [45]

Answer:

Using Geometry to answer the question would be the simplest:

Step-by-step explanation:

Remembering the formula for the area of a triangle which is A=\frac12bh. One can then tackle the question by doing the following:

Step 1 Find the y-intercepts

The y-intercepts are found by substituting in x=0.

Which gives you this when you plug it into both equations:

-y=1\\y=-1\\y=8

So the y-intercepts for the graphs are (0,-1)\\, and (0,8) respectively.

Now one has to use elimination to solve the problems by adding up the equations we get:

x-y=1\\2x+y=8\\3x=9\\x=3

Now to solve for the y component substitute:

2(3)+y=8\\y=2

Therefore, the graphs intersect at the following:

(3,2)

Now we have our triangle which is accompanied by the graph.

now to solve it we must figure out how long the base is:

b=8-(-1)\\b=9

The height must also be accounted for which is the following:

h=3

Now the formula can be used:

A=\frac12bh=\frac12(9)(3)=\frac{27}2\ \text{units}^2

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2 years ago
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B Given: m AB =m BC , m∠x=60°, m∠y=15° Find: m AC
MArishka [77]

Answer:

105

Step-by-step explanation:

because all the angles added up have to = 180

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3 years ago
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marin [14]

Answer:

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Step-by-step explanation:

Uaing the binomial probability relation :

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P(x = 8) = 10C7 * 0.5^7 * 0.5^3

P(x =8) = 0.0439

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3 years ago
Factor Completely.<br> 3x^2-75
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Answer:

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Step-by-step explanation:

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