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soldier1979 [14.2K]
4 years ago
14

If f(x)=-5x-11, then f^-1(x)=

Mathematics
1 answer:
Ludmilka [50]4 years ago
7 0
F^-1(x) is the inverse so...
f^-1(x) = (-1/5)x - 11/5 

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If the hypotenuse is c=a√2, then 6=a√2. In inches, what is the value of a?
Aloiza [94]

The value of a is 3√2 inches if it is given that the hypotenuse is c = a√2 and 6 = a√2. This can be obtained by using Pythagoras' theorem.

<h3>Calculate the value of a:</h3>

This question can be solved using Pythagoras' theorem,

If in a right angled triangle, hypotenuse is the longest side of the triangle and always opposite to the angle 90°, height and base are the two shorter sides which are adjacent to the angle 90°.

If hypotenuse = c, height = a and base = b then,

⇒ hypotenuse² = height² + base²

⇒ c² = a² + b²

Here in the question it is given that,

  • Hypotenuse of the triangle is c = a√2
  • 6 = a√2 in inches ⇒ c = 6
  • Height and base is equal and both has the value of a ⇒ height = a and base = a

By using the Pythagoras' theorem we can write that,

⇒ hypotenuse² = height² + base²

⇒  6² =  a² + a²

⇒  36 =  2a²

By dividing both sides of the equation by 2,

⇒  18 =  a²

⇒  a² = 18

By taking square on both side of the equation,

⇒ a = 3√2 inches

Hence the value of a is 3√2 inches if it is given that the hypotenuse is        c = a√2 and 6 = a√2.

Learn more about Pythagoras' theorem here:

brainly.com/question/9005379

#SPJ1

3 0
2 years ago
What is the value of x? 4/5x-1/10=3/10?
Serhud [2]
Please note that in the original problem you have horizontal division symbols:

 4           1         3
--- x  -  ----  =  -----
 5         10        10

On the other hand, you have typed    <span>4/5x-1/10=3/10.  To avoid ambiguity you must enclose the fractions inside parentheses:

</span><span>(4/5)x- (1/10) = (3/10).  Otherwise, your reader will not know for sure whether you meant 4 / (5x) or (4/5)x.

</span><span>After you've typed in these parentheses, your next task is to mult. all the terms of this equation by 10, to remove the fractions.  Result:

8x - 1 = 3, or 8x = 4,   or    x = 1/2   (answer)</span>
3 0
4 years ago
Read 2 more answers
Sports science researchers determined that, for those people who skateboard, 22% have never had an injury, 45% have had one inju
OLEGan [10]

Answer: D) 0.78

Step-by-step explanation:

Add all the given probabilities to find the answer:

45/100 + 18/100 + 15/100 = 78/100 = 78% or 0.78

4 0
3 years ago
How do you solve this problem: 4X=3(-3X+18)-2
almond37 [142]

4x=3(-3x+18)-2

distribute

4x = -9x +54-2

combine like terms

4x = -9x+52

add 9x to each side

13 x = 52

divide by 13

x =4


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3 years ago
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Mandarinka [93]

Answer:

2 and 1/4

Step-by-step explanation:

3.5 - 1.25 = 2.25

2.25 as a mixed number is 2 and 1/4

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3 years ago
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