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umka2103 [35]
3 years ago
11

HELP ASAP ILL GIVE 18 POINTS

Mathematics
2 answers:
Kitty [74]3 years ago
5 0

Answer:

729

Step-by-step explanation:

san4es73 [151]3 years ago
3 0
The awnser is 729 Bc 81 times 9 equals 729
You might be interested in
Please help!!
enot [183]

Since g(h(x))=h(g(x))= x, hence functions h and g are inverses of each other

Given the functions expressed as:

h(x) =\sqrt{2x+2}\\g(x)\frac{x^2-2}{2}  \\

In order to check whether they are inverses of each other, we need to show that h(g(x)) = g(h(x))

Get the composite function h(g(x))

h(g(x))=h(\frac{x^2-2}{2} )\\h(g(x))=\sqrt{2(\frac{x^2-2}{2} )+2}\\h(g(x))=\sqrt{x^2-2+2} \\h(g(x))=\sqrt{x^2}\\h(g(x))=x

Get the composite function g(h(x))

g(h(x))=\frac{(\sqrt{2x+2} )^2-2}{2} \\g(h(x))=\frac{2x+2-2}{2}\\g(h(x))=\frac{2x}{2}\\g(h(x))=x

Since g(h(x))=h(g(x))= x, hence functions h and g are inverses of each other

Learn more on inverse functions here; brainly.com/question/14391067

7 0
2 years ago
Read 2 more answers
ANSWER BOTH QUESTIONS FOR BRAINLIEST TY :)
Alchen [17]

Answer:

<h2>Angle X; 39</h2><h2>Angle Y; 129</h2>

Step-by-step explanation:

180-90

90

This gives us the measurement of 51+x.

90-51

39

This is x as well as the angle that is across from it.

x+90=y

39+90=129

y=129.

to find the last angle, we add 90 to 51. This gives us 141.

So, now we add up all of the angles to double check everything. If they all add up to 360 then we are correct.

39+39+51+90+141=

360.

This means that we have solved everything correctly and that these are the correct answers.

I know that this is really confusing but the answers that you need are at the top so hopefully this helped!

4 0
2 years ago
Read 2 more answers
20 points
blsea [12.9K]
The answer I think is 2+7+0.15x_>15
6 0
3 years ago
Read 2 more answers
A triangle with the angle
Dahasolnce [82]
Answer : It is possible to form a triangle


Explanation : To form a triangle, sum of angles should be equal to 180
72 + 48 + 60 = 180 So, triangle is formed
Therefore the following statement is possible.
8 0
2 years ago
The volume of a cube is 441cm3.<br> Work out the length of its side rounded to 1 DP.
Klio2033 [76]

Answer:

volume of a cube = 441cm3.

l³=441cm³

l=7.6cm

5 0
3 years ago
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