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torisob [31]
3 years ago
8

Someone help me find x and y?

Mathematics
1 answer:
lidiya [134]3 years ago
3 0
Idk for sure but x must be 90 since its half of the straight line which is 180 and the angles of a triangle must equal 180 when added so that makes the whole angle where y is 86 then divide it by 2 to get 43 for y

so x=90
and y=43

hope this helps :)
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Find f(h(-1))<br> 2<br> -9<br> 11<br> -11
kumpel [21]

Answer:

  (d)  -11

Step-by-step explanation:

Each of the functions is evaluated in the usual way: put the number where the variable is in the expression and simplify.

  h(-1) = -2(-1)² -3(-1) +1 = -2 +3 +1 = 2

  f(2) = (2(2) +7)/(2 -3) = 11/-1 = -11

Then f(h(-1)) is ...

  f(h(-1)) = f(2) = -11

5 0
2 years ago
Giving brainliest :)
Verizon [17]

Answer:

f^{-1}(x)=x^2+1

Step-by-step explanation:

The inverse of a function is when the x and y are swapped. So the first step is to write f(x) as y and then swap the x and y

Original Equation:

f(x)=\sqrt{x-1}\\

write f(x) as y (since that's what it represents)

y=\sqrt{x-1}

Swap x and y

x=\sqrt{y-1}

Square both sides

x^2=y-1

Add 1 to both sides

x^2+1=y

So this gives you the equation:

f^{-1}(x)=x^2+1

8 0
2 years ago
How do I go about solving this?
Stels [109]
Hello,

Here i am using vectors

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so
1) his diagonals have the same length;

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4 0
3 years ago
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sweet [91]

Answer:

Step-by-step explanation:

(1,2) ; (3,2)

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So, the line is parallel to x-axis and its slope is 0

4 0
3 years ago
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lana66690 [7]

Answer:

12.1

Step-by-step explanation:

3 0
3 years ago
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