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Elanso [62]
3 years ago
5

Help me plz with this

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
8 0
5x+6y=28,3x+2y=14----------------------------------------------------------
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Solve this for fun! I already solved it, so you can give a simple answer.
Ivanshal [37]

is this 8th grade is it is it

4 0
3 years ago
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What is B-CF?
Sholpan [36]

I'm guessing on the make up of the matrices.
First off let's look at [C][F].
[C]=
[F]=
[C][F]=
where each element of [C][F] comes from multiplying a row of [C] with a column of [F].
Example: First element is product of first row and first column.

.
.
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Now that we have [C][F], we can subtract it from [B], element by element,


[B]-[C][F]=
[B]-[C][F]=
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If this is not how the matrices look,please re-state the problem and be more specific about the make up of the matrices (rows x columns).
Here's an example.
[A] is a 2x2 matrix. A=[1,2,3,4].
The assumption is that [A] looks like this,
[A]=
[B] is a 3x2 matrix. B=[5,6,7,8,9,10]
[B]=


7 0
3 years ago
If m = 22 and n = 3, what is the value of the following expression? m - 5 • n + 3 A. 51 B. 10 C. 4 D. 54
melisa1 [442]

The answer is B, 10.


Step-by-step explanation: You plug in the values where the variables are, then follow PEMDAS, beginning with 5 times 3.


4 0
3 years ago
I need help with my math to day.‍♀️
ANTONII [103]

Answer:

8x + 1 + 6x + 5 = 90

14x +  6 = 90

14x = 84

x = 6

<DCB is 6x+5

6(6) + 5

36 + 5

41

8 0
3 years ago
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Which statements are true about car color? Choose four correct answers. White is the most popular in every region. Red is the mo
Lisa [10]

Answer:

from my understanding the correct answer should be

Red is the most popular in the East than in the other regions

About 17% of the people in the Midwest have a gray car

White is the most popular in every region

Silver and black are equally popular in the East.

 *** i hope im right sorry if this didnt help:/***

3 0
3 years ago
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