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slega [8]
3 years ago
12

Create a table for x and y y= -2/3 +7 the function of the is domain -12, -6, 3,15

Mathematics
1 answer:
Anastasy [175]3 years ago
7 0

Answer:

Attention! the "x" variable was missing in your typed question, but I am assuming that the actual function was defined by: y=-\frac{2}{3} x+7

Table:

\left[\begin{array}{cc}x & y\\-12&15\\-6&11\\3&5\\15&-3\end{array}\right]

Step-by-step explanation:

In order to complete the requested table, we need to evaluate "y" for the four given values of the "x" variable in the Domain: {-12. -6, 3, 15}

Evaluation:

y=-\frac{2}{3} x+7\\y=-\frac{2}{3} (-12)+7=8+7=15

y=-\frac{2}{3} x+7\\y=-\frac{2}{3} (-6)+7=4+7=11

y=-\frac{2}{3} x+7\\y=-\frac{2}{3} (3)+7=-2+7=5

y=-\frac{2}{3} x+7\\y=-\frac{2}{3} (15)+7=-10+7=-3

The table therefore will be:

\left[\begin{array}{cc}x & y\\-12&15\\-6&11\\3&5\\15&-3\end{array}\right]

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Step-by-step explanation:

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Find the area of a triangle whose sides are 3cm,6cm and 7cm
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Answer:

See below

Step-by-step explanation:

It is NOT  a RIGHT triangle so you <u>cannot use</u>   1/2 b * h

 but you can use Heron's Formula

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Simplify the following expressions. All answers should be in standard form.
Ratling [72]

Answer:

The given expression in simplified form is: 15x^2+10x

Step-by-step explanation:

Simplifying the expression involve reducing the number of terms to minimum and making the expressions in standard form.

This may involve addition, subtraction and multiplication of variables.

Given expression is:

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Distributing 5x will give us:

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The given expression in simplified form is: 15x^2+10x

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