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Aleksandr [31]
3 years ago
11

PLEASE ANSWER 15 POINTS!

Mathematics
2 answers:
loris [4]3 years ago
7 0
The domain is the set of all positive real numbers
romanna [79]3 years ago
5 0
Answer: The domain is the set of all positive real numbers.

Hope this helped
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Ayuda por favor por favor​
Arisa [49]

Answer

7. 30

8. 54

Step-by-step explanation:

For 7 do 2x+3x=90 because it is a right angle

then solve for x and get 15

to get the angle you are looking for multiply 2 by 15

and get the answer 30

For 8 to find the value of x you would need to...

add (4x+6) + (11x-6)= 180 because 180 is a straight angle.

Then simply solve for x and get 15x=180 which equals 12

The to get the angle you plug it in to (4x+6) and get the answer 54

7 0
3 years ago
State the number of real solutions for x^2 + 12 = -6x
Papessa [141]
No real solution
you must take the square root of a -3 which gives you an imaginary number
7 0
3 years ago
PLS HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Nadusha1986 [10]

Answer:

after school and college football season

6 0
3 years ago
Read 2 more answers
If the area is 228 square units, what is the value of x?
kow [346]
Sorry I don’t now the answer to this problem
4 0
3 years ago
Find f(x) and g(x) so the function can be expressed as y = f(g(x)). y = Two divided by x squared. + 3
kodGreya [7K]
Hello,

g(x)=x²+3
f(x)=2/x
so f(g(x))=f(x²+3)=2/(x²+3)

Explainations:

f(y)=2/y
f(4y)=2/(4y)
f(x²)=2/x²
f(x²+3)=2/(x²+3)

4 0
4 years ago
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