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3 years ago

H represents the height of H = 210 +33t How fast does the tree grow

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

3 0

Answer:

243

Step-by-step explanation:

you just add

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Given A-<br> 2 2<br> 1 3<br> what is A-¹?

devlian [24]

The inverse of matrix A = $\left[\begin{array}{cc}2&2&1&3\\\end{array}\right]$ is $A^{-1} = \frac{1}{4}$ $\left|\begin{array}{cc}3&-2&-1&2\\\end{array}\right|$

The given matrix is A = $\left[\begin{array}{cc}2&2&1&3\\\end{array}\right]$

The inverse of a matrix is given by

$A^{-1} = \frac{1}{|A|} adjA$ ...(1)

Now, determinant of matrix A is

|A| = $\left|\begin{array}{cc}2&2&1&3\\\end{array}\right|$

= (3)(2) - (2)(1)

= 6 - 2

= 4

Now, adjoint A will be

$A_{11}$ = 3

$A_{12}$ = -1

$A_{21}$ = -2

$A_{22}$ = 2

AdjA = $\left|\begin{array}{cc}3&-2&-1&2\\\end{array}\right|$

Now, substituting the values of |A| and AdjA in equation (1), we get

$A^{-1} = \frac{1}{4}$ $\left|\begin{array}{cc}3&-2&-1&2\\\end{array}\right|$

Therefore, $A^{-1} = \frac{1}{4}$ $\left|\begin{array}{cc}3&-2&-1&2\\\end{array}\right|$

Know more about Inverse of Matrix: -brainly.com/question/12442362

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7 0

1 year ago

Meg made 6 cups of gumbo and divided the gumbo equally among 8 containers.

Greeley [361]

Answer:

0.75

Step-by-step explanation:

6/8 = 0.75

Or 8/6 = 1.3 repeating

6 0

3 years ago

-6+(-2)= <br> plzz help meeeeee

shtirl [24]

-6-2
Answer: it should be -8

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3 years ago

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In the figure to the right, if AC=12 and BC=9, what’s the radius?

Lynna [10]

Answer:

it aproximatley 7.937 rounded to the nearest tenth its 7.9

Step-by-step explanation:

3 0

4 years ago

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What is the product of 3.6 x 4.2

lyudmila [28]

Answer:

15. 12

Step-by-step explanation:

just multiply them

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3 years ago