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3 years ago

What is the value of g(-4) when g(x)=3x-5? Show all steps to get full credit.

Mathematics

1 answer:

patriot [66]3 years ago

5 0

g(x)=3x-5

g(-4)=3(-4)-5

g(-4)=(-12)-5

g(-4)=(-17)

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For which values of k does the system of linear equations have zero, one, or an infinite number of solutions? [Note: not all thr

viktelen [127]

Answer:

The system has an infinite solution at k = 6, otherwise for any value of k, it has zero solution.

Step-by-step explanation:

Consider the system of linear equations:

$3x_{1} -x_{2}=2\;\;\;\;\;\;(1)\\ 9x_{1} -3x_{2}=k\;\;\;\;\;(2)$

The system of linear equations can have zero, one, or an infinite number of solutions:

simplify equation (1):

$x_{2}=3x_{1} -2$

substitute in equation (2), we get

$9x_{1} -3(3x_{1}-2)=k\\9x_{1} -9x_{1}+6=k\\0+6=k$

we cannot find the value of $x_{1}$ and $x_{2}$ .

so, there is no solution.

Multiply the equation (1) with 3 and put k is 6,

$3(3x_{1} -x_{2})=3\times2\\9x_{1} -3x_{2})=6$

it means both equations are overlapped. Then, the solution has infinite solutions.

Hence, the system has an infinite solutions at k is 6 otherwise for any value of k it has no solution.

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3 years ago

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Marrrta [24]

Answer:

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Step-by-step explanation:

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Y^2– 14y + 48 = 0<br> Solve the following quadratic equations by completing the square.

Troyanec [42]

Step by step:
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2 years ago

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Hope this is right

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monitta

Make the fractions have common denominators.

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earrings 5/15 * 3/3 = 15/45

So, now we can compare 25 to 15. 25 is 5/3 bigger than 15.
or the ring inventory is 1.666666666... times greater than the earring inventory.

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2 years ago