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3 years ago

12

Write and Solve an area problem that illustrates the use of the find the pattern strategy

2 answers:

d1i1m1o1n [39]3 years ago

8 0

An area is when you multiply the height by the base. So, it depends on the picture and its numbers. ---------------------
For example: / 6in /
5in/ /
/ / model number: 5 in×6in=30 in
/ /
---------------------

Valentin [98]3 years ago

7 0

The answer above seems to be correct!

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Use a matrix equation to solve the system of linear equations. left brace Start 2 By 1 Matrix 1st Row 1st Column 2nd Row 1st Col

natali 33 [55]

Answer:

$\left[\begin{array}{ccc}3&-1&\\-1&1/2\\\end{array}\right]$

Step-by-step explanation:

The matrix system for the linear equations: x + 2y = 8, 2x + 6y = 9

$\left[\begin{array}{ccc}1&2&\\2&6\\\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}8\\9\end{array}\right]$

To get the coefficient of x and y, the inverse of the first matrix (let the first matrix be A) must be known.

$A^{-1}$ = (1 / determinant of A) x Adjoint of A

the determinant of A = (1 x 6) - (2 x 2) = 6 - 4 = 2

Adjoint of A = $\left[\begin{array}{ccc}6&-2&\\-2&1\\\end{array}\right]$

$A^{-1}$ = $\frac{1}{2} \left[\begin{array}{ccc}6&-2\\-2&1\end{array}\right]$ = $\left[\begin{array}{ccc}3&-1&\\-1&1/2\\\end{array}\right]$

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2 years ago

6. What will you get when you combine -14, -9 and 3 A. 12 B. 58 C.-12 D. -58

vlada-n [284]

Answer:

the answer is A I think it will help u

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2 years ago

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Find the difference.<br> (3-4x)-3(2.4x-7)

murzikaleks [220]

(3-4x)-3(2.4x-7)

3-4x-7.4x+21

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Step-by-step explanation:

let the original price=x

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Photomath is useful for these kinds of problems

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