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Anarel [89]
3 years ago
12

Factor 42x+28y using gcf

Mathematics
2 answers:
Natali [406]3 years ago
8 0
7 (6x+4y)

is your answer

icang [17]3 years ago
7 0
X = -0.6666666667y simplified

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Write a formula for the function g(x) obtained when the graph of f(x) = 1/x is shifted down 4 units and to the right 6 units .
charle [14.2K]

Answer:  g(x) = \frac{1}{x-6} - 4

This can be written out as g(x) = 1/(x-6) - 4

The "x-6" is in the denominator, while the "-4" is not.

=============================================================

Explanation:

We'll start with the parent function f(x) = \frac{1}{x}

When we shift 4 units down, we're subtracting 4 from the y coordinate of each point on the curve. Which is the same as subtracting 4 from f(x) because y = f(x).

So we have h(x) = f(x) - 4 = \frac{1}{x} - 4 as an intermediate step.

Then to shift 6 units to the right, we'll replace every x with "x-6". Imagine we kept the h(x) curve completely still, and instead we moved the xy axis 6 units to the left. This would give the illusion of h(x) moving 6 units to the right if we made the xy axis stay still. So that's why we go for "x-6" instead of "x+6".

Therefore, we end up with g(x) = \frac{1}{x-6} - 4

Side note: plugging in x = 6 leads to a division by zero error. This would mean x = 6 is not in the domain.

5 0
3 years ago
The total weight of three tables is 16.9 pounds. The first table is twice as heavy as the second table and the weight of the thi
gavmur [86]
X the 1st table
y the second
z the third

The equation is : x+y+z =16.9

But we know (given) that x=2y  & z=(1/3)y

Calculate everything in term of x:

x= 2y==> x/2 =y

z=(1/3)y ==> & since y=x/2 then z= (1/3)(x/2)==> z=x/6; y=5.07 & z =1.69

x + x/2 + x/6 = 16.9===>1.666x = 16.9===> x= 10.14
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I believe that the correct answer is 12
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8x+100 with x representing the number of classes attended. For Ms.Wiggins, the equation would be 8(18)+100. You would multiple 8 x 18 getting 144+100. You add 144+100 to get $244 for Ms.Wiggins.
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