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luda_lava [24]
2 years ago
8

Plz help 20 points Given m(n)=2n^2-10n-14 find m(4)+m(-1)

Mathematics
2 answers:
Rzqust [24]2 years ago
6 0

Answer: 5n+14-11n-2

Step-by-step explanation:

kompoz [17]2 years ago
3 0

Answer:

0

Step-by-step explanation:

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Find the specified element in the inverse of the given matrix
JulijaS [17]
What is the given matrix?
you didn't show a matrix.
the components of the matrix are the elements.
and the elements of the inverse matrix are the elements of the inverse matrix
1) 
so if matrix A is  1   4  1   
                          2   5  2
                          3   6  3
2)
14114
25225
36336

3)
15 24 12
15 12 24
4)
[A]=(15+24+12=51)-(15+12+24=51)
[A]=0
5)
    52    23   25
    63    23   36

    41    11   14 
    63    33   36

    41    12    14
    52    12    25
6)

    15-12   6-6   12-15

     12-6    3-3    6-12

      8-5     2-2     5-8


7) 
     3    0   -3

     6    0   -6

     3    0   -3
 8) 
     (+)3    (-)0   (+)-3

     (-)6    (+)0   (-)-6

     (+)3    (-)0   (+)-3
=

    3  0  -3
   -6  0   6
    3  0  -3

9)
        3 -6  3
N=   0  0  0
       -3  6 -3
10) the inverse of [A]= 1/|A|*[N]
which is in this case ⁻A= 0
because |A|=0

6 0
3 years ago
For a pair of similar triangles, corresponding sides are _____ congruent.
Novosadov [1.4K]
Never

they have the same ratio only
congruent triangles have equal sides
5 0
3 years ago
Read 2 more answers
It was 11:20 P.M. when Harry looked at his watch. 50 minutes later, he looked at his watch again. What time did his watch read?
olga_2 [115]

Answer:

12:10 a.m.

Step-by-step explanation:

7 0
2 years ago
Helppppppppppppppppppppppppppppppppppppppppppppp
patriot [66]
First what you should do for this case is to rewrite the expression carefully to find the correct answer.
 You must respect the properties of the roots.
 Group the terms correctly.
 Answer
 option 2
 See attached graph.

7 0
3 years ago
You drive 70 miles per hour but then slow your speed by 15 miles per hour. You then return to your speed of 70 miles per hour. W
denis23 [38]
Driving 70 miles per hour.
Slow your speed means decrease in speed=
70+(-15)=70-15=55 miles/ hr
And then return to speed of 70 miles/hr means
add 15 miles to the speed.
We get
70+(-15)+15 =70 miles / hr
4 0
2 years ago
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