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Mamont248 [21]
3 years ago
10

determine if the ordered pair is a soluation of the equation. Is the point (2,1) is the solution of the equation y=3x-3?

Mathematics
1 answer:
earnstyle [38]3 years ago
4 0

Answer:

idk

Step-by-step explanation:

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Given the expression below, what will the sign of the product be? Justify your answer. 4x (9) * 2.78 x (13) * (-}) *(-6.2) * (-
koban [17]

Answer:

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3 0
3 years ago
Find all real and complex solutions by completing the square.
Alisiya [41]
Y^2+4y=-8
add 8 both sides
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Factor it
by formula
-b+-(√b²-4ac)/2a
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4 0
3 years ago
In the regual nonagon shown, what is the measure of angle x?
andre [41]
The sum of the interior angles of a polygon is (n-2)*180, n being the number of sides.
a nonagon has nine sides, so the total of interior angles is (9-2)*180=7*180
this is a regular nonagon, so each interior angle has the same degrees:
7*180/9=7*20=140
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40 is the correct answer.
4 0
3 years ago
Select the correct answer.<br> Which graph shows a function and its inverse?
labwork [276]

Answer:

See below

Step-by-step explanation:

If a function is bijective and 1-to-1, then it will have an inverse function. Consequentially, they will be symmetrical about the line y=x, which is a diagonal line passing through the origin at a 45 degree angle.

None of the graphs look correct though, but it also seems that some options are cut out, so make sure to choose the correct graph given the characteristics I've previously described.

6 0
2 years ago
Read 2 more answers
How to prove this using trig identities?
Pavlova-9 [17]

Step-by-step explanation:

tanB + cotB = (sinB)/(cosB) + (cosB)/(sinB)

 

                      = (sin2B + cos2B)/[(cosB)(sinB)]

 

                       = 1/[(cosB)(sinB)]

 

                        = (1/cosB)(1/sinB)

 

                        = (secB)(cscB)

7 0
3 years ago
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