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zheka24 [161]
3 years ago
14

The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system.

Mathematics
2 answers:
mario62 [17]3 years ago
8 0

Answer:

it is b

Step-by-step explanation:

KiRa [710]3 years ago
4 0

Answer:

b on edg 2020

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Find the surface area of the prism below. Please see the attachment and a. 108cm ^2 is incorrect. Thanks!
creativ13 [48]

Answer: OPTION B

Step-by-step explanation:

To solve this problem you must add the areas of each rectangle that form the prism;

The area of a rectangle can be calculated with the formula:

SA=length*width

There are three pairs of equal rectangles, then you can find the surface area of 3 rectangles and multiply each one by 2, then you obtain that the surface area of the prism is:

SA_{prism}=2(6cm*2cm)+2(3cm*6cm)+2(3cm*2cm)=72cm^{2}

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2 years ago
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algol13

Answer:

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Step-by-step explanation:

4 0
2 years ago
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Jennifer had a 7/8- foot board. She cut off a 1/4 foot piece that was for a project. In feet, how much of the board was left
Tems11 [23]

Answer: There was 5/8 of a foot of board left.

Step-by-step explanation:

Step 1. We need to subtract 1/4 from 7/8. To do this make it where both fractions have the same denominator.

Step 2. The easiest way to do this is to multiply 1/4 by 2.

1/4*2/2=2/8.

Step 3. Now all you got to do is subtract 2/8 from 7/8.

7/8-2/8= 5/8.

7 0
3 years ago
Suppose A = {1, 7, 13, 17, 21, 25} and B = {7, ,14, 21, 28, 35, 42}. What is A∩B?
Lubov Fominskaja [6]

A\cap B=\{7,21\}

8 0
3 years ago
I don't get this question #3
Alenkinab [10]
I am not 100% positive.
10 teams play every other ( = 5) once
10 x 5 = 50 games total
5 0
3 years ago
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