3 years ago

Find the value of x......

Mathematics

1 answer:

NISA [10]3 years ago

3 0

Answer:

the value of x is 12 ×=12

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What is the inverse of the function? f(x) = 2x - 10?

gulaghasi [49]

Answer:

Step-by-step explanation:

Let $f(x)=y$

y=2x-10

Switch x and y,

x=2y-10

x+10=2y

(x/2)+5=y

So $f^{-1}(x)=\frac{x}{2}+5$

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2 years ago

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Answer:

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Read 2 more answers

A rectangular garden originally measured 5 feet by 10 feet as shown below.a path was created by increasing each side of the orig

kotegsom [21]

The area is given by
A = (5 + 2x) * (10 + 2x) - 50
Rewriting we have:
A = 50 + 10x + 20x + 4x ^ 2 -50
Rewriting we have:
A = 4x ^ 2 + 30x
Substituting the value of the area we have:
54 = 4x ^ 2 + 30x
Rewriting:
4x ^ 2 + 30x - 54 = 0
We look for the roots:
x1 = -9
x2 = 3/2
We take the positive root:
x2 = 3/2
Answer:
the value of x is:
x = 3/2

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3 years ago