Select all numbers that are irrational.
plzzzz help its due now...
Answers
I think it´s all of them except 1.33
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One number is equal to two times a second number. Two times the first number plus two times the second number is 24. If you let x stand for the first number and y for the second, what are the two numbers? A. x = 24, y = 12 B. x = 12, y = 6 C. x = 8, y = 4 D. x = –24, y = –12
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For wich values of x does 2x^2+10x
8x+3y=7
3x+5y= -9
Answers
8x + 3y = 7
3y = -8x + 7
y = -8/3x + 7/3
3x + 5y = -9
3x + 5(-8/3x + 7/3) = -9
3x - 40/3x + 35/3 = -9
9/3x - 40/3x + 35/3 = -27/3
-31/3x = -62/3
-31x = -62
x = 2
8(2) + 3y = 7
16 + 3y = 7
3y = -9
y = -3
Check
3(2) + 5(-3) = -9
6 - 15 = -9
-9 = -9 :)
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Answer:
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The required function would be f(x) = 6x² which represents the set of ordered pairs.
What is a function?
The function is defined as a mathematical expression that defines a relationship between one variable and another variable.
We have been given that function as sets of ordered pairs :
(0,0), (1,6), (2,24), (3,54), (4,96)
First, we must identify a pattern. It appears that all yₓ values are multiples of 6.
We can divide yₓ by 6x since it is a multiple of 6 and a multiple of x:
y₁/ 6×1 = 1
y₂/ 6 ×2 = 2
y₃/ 6 ×3= 3
y₄/6×4 = 4
We can clearly see a pattern here ;
y/ 6×x = x
y = x × x × 6
y = 6x² = f(x)
Therefore, the required function would be f(x) = 6x² which represents the set of ordered pairs.
Learn more about the functions here:
#SPJ5
f(x) = 6x²
Answers
a₁ = 43
a₂ = 4² + 3² = 16 + 9 = 25
a₃ = 2² + 5² = 4 + 25 = 29
a₄ = 2² + 9² = 4 + 81 = 85
a₅ = 8² + 5² = 64 + 25 = 89
a₆ = 8² + 9² = 64 + 81 = 145
a₇ = 1² + 4² + 5² = 1 + 16 + 25 = 42
a₈ = 4² + 2² = 16 + 4 = 20
a₉ = 2² + 0² = 4 + 0 = 4
a₁₀ = 4² = 16
a₁₁ = 1² + 6² = 1 + 36 = 37
a₁₂ = 3² + 7² = 9 + 49 = 58
a₁₃ = 5² + 8² = 25 + 64 = 89
As we can see, the first integer that appears twice in the sequence is 89.
find f(3).
Answers
Answer:
See below.
Step-by-step explanation:
f(3) means the y-coordinate of the point that has x-coordinate 3.
To find f(3) using a graph of f(x).
Look up x = 3 on the x axis. If the function passes through that point on the x-axis, then f(3) is 0. If the function does not pass through that point, then go up or down till you intersect the function. Draw a horizontal segment left to the y-axis and read the point on the y-axis that the horizontal segment intersects. That is what f(3) is equal to.
Answer:
Sample Response: For f(3), the input is 3 and you are looking for the output. To determine the function's value when x = 3, go to the value of 3 on the x-axis and then locate the graph for that value of x. Determine the value of y from the y-axis at that location on the graph.
Step-by-step explanation:
answer on edge
Answers
Answer:
y = 3/4 + 3/2
Step-by-step explanation:
Slope = 3/4
Solve for y-int.
0 = 3/4(-2) + b
-3/2 + b = 0
b = 3/2
y = 3/4x +3/2