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LiRa [457]
3 years ago
9

The ages of the members of four teams are summarized below. Answer the questions about them.

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
7 0
(a) the answer is team C
(b) the answer is team A
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Djrigisbtifbebfj djjsbFiebdiwbdioc9sj
Zielflug [23.3K]

Answer:

dsjklejioslmßfejazkfjkejsklfjkfjljakfj ajkldjfkajkfdjakl

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLELEST
frosja888 [35]

Answer:

x > 2

Step-by-step explanation:

First simplify the bracket....to give you...x + 2...then

; 4x + x + 2 > 12....

; 5x + 2 > 12

; 5x > 12 - 2.....then gives you...5x > 10...then divide both sides by 5

then gives you....; x > 2

5 0
3 years ago
Read 2 more answers
Determine if the matrix below is invertible. Use as few calculations as possible. Justify your answer. [Start 4 By 4 Matrix 1st
Len [333]

Answer:

Yes, it is invertible

Step-by-step explanation:

We need to find in the matrix determinant is different from zero, since iif it is, that the matrix is invertible.

Let's use co-factor expansion to find the determinant of this 4x4 matrix, using the column that has more zeroes in it as the co-factor, so we reduce the number of determinant calculations for the obtained sub-matrices.We pick the first column for that since it has three zeros!

Then the determinant of this matrix becomes:

4\,*Det\left[\begin{array}{ccc}1&4&6\\0&3&8\\0&0&1\end{array}\right] +0+0+0

And the determinant of these 3x3 matrix is very simple because most of the cross multiplications render zero:

Det\left[\begin{array}{ccc}1&4&6\\0&3&8\\0&0&1\end{array}\right] =1 \,(3\,*\,1-0)+4\,(0-0)+6\,(0-0)=3

Therefore, the Det of the initial matrix is : 4 * 3 = 12

and then the matrix is invertible

4 0
3 years ago
What is 4x+y=6 written in the quadratic formula
Zigmanuir [339]
-4 +or- the square root of 1 squared - 4*6*1 all over 2*4
6 0
3 years ago
Please help ASAPPP help*
____ [38]

Answer:

The answer would be x=16 or 8.

Step-by-step explanation:

This is because 16-12=4. At the same time, 8-12=-4 but because it's inside the lines, it makes it a positive 4. If you are still confused or need more help, just lmk :)

Hope this helps!

Brainliest?

8 0
3 years ago
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