Use a table to compute the product below.(3x2 + 6x + 9)(8x - 4)

Mathematics

1 answer:

jolli1 [7]3 years ago

4 0

(3x²+6x+9)(8x-4)= 24x³-12x²+48x²-24x+72x-36= 24x³+36x²+48x-36
R: E

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The perimeter of a △ABC equals 12 in. The midpoints of the sides M, N and K are connected consecutively. Find the perimeter of △

Zarrin [17]

Answer:

<em>Perimeter of ΔMNK is </em><em>6 in.</em>

Step-by-step explanation:

<u>Midpoint Theorem-</u>

It states that the segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side.

M, N and K are the midpoints of the sides.

So,

$KN=\frac{1}{2}AB$
$NM=\frac{1}{2}CA$
$MK=\frac{1}{2}BC$

Perimeter of a ΔABC is 12 in, i.e $AB+CA+BC=12$ in

Perimeter of ΔMNK is,

$=KN+NM+MK$

$=\dfrac{1}{2}AB+\dfrac{1}{2}CA+\dfrac{1}{2}BC$

$=\dfrac{1}{2}(AB+CA+BC)$

$=\dfrac{1}{2}(12)$

$=6$ in

4 0

3 years ago

Select the correct answer. A graph plots two points at (negative 6, 0) and (9, 7) on the x y coordinate plane. A diagonal curve

Whitepunk [10]

Using it's concept, it is found that the range of the function is given as follows:

$y \in [0,7]$ .

<h3>What is the range of a function?</h3>

The range of a function is the set that contains all possible output values for the function. In a graph, the range is the set that contains the values of y.

In this graph, the extremes are at y = 0 and y = 7, and the diagonal line crosses as values in this interval, as shown in the graph at the end of the answer, hence the range of the function is given as follows:

$y \in [0,7]$ .

More can be learned about the range of a function at brainly.com/question/24374080

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