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Inga [223]
2 years ago
15

Study time (hours)

Mathematics
1 answer:
xxTIMURxx [149]2 years ago
7 0

Answer: A B and C

Step-by-step explanation:

I did the usatestprep

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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.

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


[B]-[C][F]=
[B]-[C][F]=
.
.
.
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
What is the greatest common factors of 60w,34w^2,and 24w^4
andrew11 [14]

Answer: 2w

Step-by-step explanation:

The greatest common factor could also be referred to as the Highest common factor. Now

60w, 34w² and 24w⁴

Now let concert each to its factors

60 = 2 × 2 × 3 × 5 × w

34w² = 2 × 17 × w × w

24w⁴ = 2 × 2 × 2 × 3 × w × w × w × w

Therefore H.C.F or the greatest common factor

G.C.F = 2 × w

= 2w

4 0
3 years ago
the brightness of the illumination of an object varies inversely as the square of the distance from the object to the source of
Free_Kalibri [48]
I=k/d^2

4=k/d^2 and 1=k/64  so if we divide the first by the second we get:

4/1=(k/d^2)/(k/64)

4=(k/d^2)*(64/k)

4=64/d^2

d^2=64/4

d^2=16

d=4 meters


3 0
3 years ago
In an aquarium, the ratio of sharks to starfish is 2: 3 and the ratio of
sergeinik [125]
There should be 24 turtles
4 0
10 months ago
Note that 3 is a factor of 21. This means that 3×[]=21. Another way to write this is 3×n=21. Find a value of n that makes the st
mash [69]

Answer:

n=9

Step-by-step explanation:

3*9=21

7 0
3 years ago
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