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2 years ago

Whats is the mean in -10 + -10 + 6 + 5 + -1 + -1 ???? PLZ HELP also tell If it’s integer and why or why not

Mathematics

1 answer:

Natasha2012 [34]2 years ago

7 0

Answer:

-1.83 Not a integer because integers donot have decimal places

Step-by-step explanation:

(-10+-10+6+5+-1+-1)/6=-1.83

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Given that f(x) = 2x + 1 and g(x) = the quantity of 3x minus 1, divided by 2, solve for g(f(3)). 5 7 9 10

AlladinOne [14]

The correct answer is 10.

In order to evaluate any composite function, you need to first put the value in for the inside function. In this case f(x) is on the inside along with the number 3. So, we input 3 in for x in f(x).

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2 years ago

X and y vary inversely and x=50 when y=5 find y when x=10 what is k?

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Part A)

1) $k=250$

2) $y=25$

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Step-by-step explanation:

Part 1) x and y vary inversely and x=50 when y=5 find y when x=10 what is k?

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

step 1

Find the value of k

x=50 when y=5

substitute the values

$y*x=k$ ------> $5*50=k$ -----> $k=250$

The equation is equal to

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step 2

Find y when x=10

substitute the value of x in the equation and solve for y

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$y=250/10=25$

Part B) x and y vary directly and x=6 when y=42 find k what is y when x=12

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form $y/x=k$ or $y=kx$

step 1

Find the value of k

x=6 when y=42

substitute the values

$y/x=k$ ------> $42/6=k$ -----> $k=7$

The equation is equal to

$y/x=7$ or $y=7x$

step 2

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