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Stella [2.4K]
3 years ago
14

For

Mathematics
1 answer:
sdas [7]3 years ago
6 0
5(x − 4)^2

5(x - 4)(x - 4)

5(x^2 - 8x + 16)

5x^2 - 40x + 80

Did you follow?
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The sum of three consecutive integers is -75.
rusak2 [61]

Answer:

Suppose 3 consecutive integers are X-1,X,X+1

Step-by-step explanation:

Sum = X-1+X+X+1= -78

            3X=-78

             X= -78/3

             X= -26

3 consecutive integers are, -27, -26,-25.

smallest integer is -27

8 0
3 years ago
Suppose A is an m × n matrix in which m> n. Suppose also that the rank of A equals n Show that A is one to one. Hint: If not,
rusak2 [61]

Step-by-step explanation:

If T:Rn→Rm is a linear transformation and if A is the standard matrix of T, then the following are equivalent:

 1.  T is one-to-one.

 2. T(x) = 0 has only the trivial solution x=0.

 3.  If A is the standard matrix of T, then the columns of A are linearly independent.

Here, A is a mxn matrix where m ≥ n and the rank of A equals n. It implies that the columns of A are linearly independent, for, otherwise, the rank of A would be less than n. Hence the linear transformation represented by A is one-to-one.

7 0
3 years ago
What is this answerSimplify to create an equivalent expression. \qquad{8k-5(-5k+3)}8k−5(−5k+3)
Licemer1 [7]

Answer:

33k - 15

Step-by-step explanation:

Given expression,

\qquad{8k-5(-5k+3)}

By the distributive property,

=8k-5(-5k) - 5(3)

=8k+25k-15

By combining like terms,

=33k-15

∵ Further simplification is not possible,

Hence, the required simplified form of the given expression is,

33k-15

6 0
3 years ago
Read 2 more answers
What is the percentage of sugar in the syrup made of 10 kg of water and 2 kg of sugar?
kirill115 [55]
2/10=1/5
1/5=20%
Answer=20%
8 0
3 years ago
Read 2 more answers
How many centigrams are in 6.2 dekagrams?
Svetach [21]

Answer:

<u>6200</u>

Step-by-step explanation:

1 Dekagram = 1000 Centigram

6.2 x 1000 =

<u>6200</u>

3 0
3 years ago
Read 2 more answers
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