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3 years ago

Explain how the number of pieces in a whole realates tonthe size of each piece

Mathematics

1 answer:

lilavasa [31]3 years ago

6 0

Well each piece of the whole is what made the whole... so in that case each piece is little 1/4's of the whole....

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Jerry was using matrices to solve the system of three equations. He has shown all his steps. Did he make a mistake if so in what

melomori [17]

There are several ways to solve a system of equation; one of these ways is the use of matrix.

Jerry made a mistake at step 2

From the attachment, the step 1 is represented as:

$\mathbf{\frac 12R_1 \left[\begin{array}{cccc}1&1&1&0\\5&3&-2&-4\\3&2&1&1\end{array}\right] }$

The equation in step 2 is given as:

$\mathbf{R_2 = 5R_1 - R_2}$

This means that:

We subtract the elements of row 2 from the elements of row 1, multiplied by 5

So, we have:

$\mathbf{R_2 = 5\left[\begin{array}{cccc}1&1&1&0\end{array}\right] } - \left[\begin{array}{cccc}5&3&-2&-4\end{array}\right] }$

Expand

$\mathbf{R_2 = \left[\begin{array}{cccc}5&5&5&0\end{array}\right] } - \left[\begin{array}{cccc}5&3&-2&-4\end{array}\right] }$

Subtract corresponding cells

$\mathbf{R_2 = \left[\begin{array}{cccc}0&2&7&4\end{array}\right] }$

So, the new row 2 elements should be:

$\mathbf{ \left[\begin{array}{cccc}0&2&7&4\end{array}\right] }$

However, the row 2 elements of Jerry's steps are:

$\mathbf{R_2 = \left[\begin{array}{cccc}0&-2&-7&-4\end{array}\right] }$

This means that:

Jerry made a mistake; and the mistake is at step 2

Read more about matrix at:

brainly.com/question/21848291

4 0

1 year ago

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Penelope bakes pretzels. She salts 3/8 of the pretzels. Which fraction is equivalent to 3/8? (Show work)

exis [7]

A) 9/24

Step One: Simplify all of the fractions
9/24 = 3/8
15/20 = 3/4
3/16 = 3/16
1/5 = 1/5

Step Two: Fine the answer that simplifies to 3/8

7 0

3 years ago

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Ayudaaa plis 7-4= 6-2= -3-2= -8+9= -9+5= 1+10=

vladimir2022 [97]

Answer:

7-4=3

6-2=4

-3-2= -5

-8+9=1

-9+5= -4

1+10=11

Step-by-step explanation:

No es tan difícil, puedes g0oglearlo

6 0

2 years ago

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Sibal started with $500 in a bank account that does not earn interest. In the middle of every month, she withdraws 1/5 of the ac

GalinKa [24]

4/5 of the original amount at the start of the month will remain. The amount at the start of every month will change. Thus:
an = 4/5 (an-1) ; where a1 = 500.

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3 years ago

Qx+12=13x+P with only one solution

ra1l [238]

What are you solving for? if you are solving for x, then x=(P-12)/(Q-13)

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2 years ago

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