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Solnce55 [7]
3 years ago
11

Please help!!!! I need this to be done and I don't know how to do it.

Mathematics
1 answer:
Harman [31]3 years ago
3 0
Q2) 58.08
Q3) I got 180 but not sure.
Q4) I got 138
Q5) I got 28.56 for this one.

Hope this helps.

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Does anyone know how to do these maths question???
Dmitry_Shevchenko [17]

Answer:

Part 1) f(g(x))=3(x^2)+2

Part 2) g(f(5))=289

Step-by-step explanation:

we know that

A composite function is a function that depends on another function. A composite function is created when one function is substituted into another function

we have

f(x)=3x+2

g(x)=x^{2}

Part 1) Determine f(g(x))

To find f(g(x)) substitute the function g(x) as the variable in function f(x)

so

f(g(x))=3(x^2)+2

Part 2) Determine g(f(x))

To find g(f(x)) substitute the function f(x) as the variable in function g(x)

so

g(f(x))=(3x+2)^2

For x=5

g(f(5))=(3(5)+2)^2

g(f(5))=289

3 0
2 years ago
Write an equation of the ellipse with foci at (0,+12) and vertices at (0,+13)
nekit [7.7K]
 To solve this problem you must apply the proccedure shown below:
 1. You have that the ellipse given as a vertical major axis (a=13), therefore, taking the ellipse with its center at the origin, you have the following equation:
 (y^2/a^2)+(x^2/b^2)=1
 2. You have the distance from the center of the ellipse to the focus:
 c=12, therefore, you can calculate the value of b, the minor radius:
 c^2=a^2-b^2
 b=√(13^3-12^2)
 b=5
 3. Therefore, the equation is:
 a^2=169
 b^2=25
 (y^2/169)+(x^2/25)=1
 The answer is: (y^2/169)+(x^2/25)=1 
6 0
2 years ago
Read 2 more answers
PLEASE HELP!!! SHOW YOUR EXPLANATION!!! Take a rectangular piece of paper. Fold the opposite ends, so that the folding lines are
Alchen [17]
You know they are parallel because the lines will never intersect or meet. (Two straight lines usually mean it is parallel)
5 0
2 years ago
The product of a number and 3 + 1 is 19
tigry1 [53]

3x + 1 = 19

3x = 18

x = 6

5 0
3 years ago
Help??
Diano4ka-milaya [45]
The tree is 52.8 feet, since the hypotenuse is only part of the tree, you have to add 12, since then it would equal the total height of the tree.

a^2+b^2=c^2
12^2+ 39^2=c^2
144+1521= 1665
√1665
= 40.8

40.8 + 12
= 52.8 feet
7 0
3 years ago
Read 2 more answers
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