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2 years ago

Find the product. Simplify your answer. (q–4)(3q–1) Multiplying Binomials

Mathematics

2 answers:

7nadin3 [17]2 years ago

7 0

Answer:

3q^2-13q+4

Step-by-step explanation:

Nataly_w [17]2 years ago

3 0

Answer:

3q^2-13q+4

Step-by-step explanation:

q (3q-1)-4 (3q-1)

3q^2-q-12q+4

3q^2-13q+4

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Consider the system of equations.

Harman [31]

The solution to the system of equations x + 2y = 1 and -3x-2y = 5 is:

x = -3, y = 2

The given system of equations:

x + 2y = 1............(1)

-3x - 2y = 5..........(2)

This can be written in matrix form as shown:

$\left[\begin{array}{ccc}1&2\\-3&-2\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}1\\5\end{array}\right]$

Find the determinant of $\left[\begin{array}{ccc}1&2\\-3&-2\end{array}\right]$

$\triangle = 1(-2) - 2(-3)\\\triangle = -2+6\\\triangle = 4$

$\triangle_x = \left[\begin{array}{ccc}1&2\\5&-2\end{array}\right]\\\triangle_x = 1(-2)-2(5)\\\triangle_x = -2-10\\\triangle_x =-12$

$\triangle_y = \left[\begin{array}{ccc}1&1\\-3&5\end{array}\right]\\\triangle_y = 1(5)-1(-3)\\\triangle_y = 5 + 3\\\triangle_y =8$

$x = \frac{\triangle_x}{\triangle} \\x = \frac{-12}{4} \\x = -3$

$y = \frac{\triangle_y}{\triangle} \\y = \frac{8}{4} \\y = 2$

The solution to the system of equations x + 2y = 1 and -3x-2y = 5 is:

x = -3, y = 2

Learn more here: brainly.com/question/4428059

3 0

3 years ago

What is the area of the yellow region? INEED HELP PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE!!!

True [87]

Answer:

A=¼πr²

=¼(3.142×5²)

=19.64 square miles

8 0

3 years ago

Help really quick and fast plzzzzzz

mr Goodwill [35]

Answer:

Step-by-step explanation:

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James joins Club One which charges a monthly membershi[ of $ 19.99. How much will James spend in all, if he continues his member

maria [59]

Answer:

James will spend $119.94

Step-by-step explanation:

Multiply $19.99 by 6.

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3 years ago

How long will it take for an airplane that averages 95 miles an hour to fly 1,710 miles?

zysi [14]

The correct answer is 18 hope that helped♥

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3 years ago