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SVEN [57.7K]
2 years ago
7

28 = 4/5 x - 8 What value of x makes the equation true?​

Mathematics
2 answers:
Harrizon [31]2 years ago
8 0

Answer:

x will have to be 45 to make this true

Step-by-step explanation:

Marysya12 [62]2 years ago
6 0
The value of X would have to be 45. Hope this helped !
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9a - ab + 5b<br><br>if a = 2 and b = 7​
Anit [1.1K]
9a-ab+5b
9(2)-(2)(7)+5(7)
18-14+35
39
8 0
2 years ago
An elementary ntimesn scaling matrix with k on the diagonal is the same as the ntimesn identity matrix with _______ exactly one
Dafna11 [192]

Answer:

exactly one, 0's, triangular matrix, product and 1.

Step-by-step explanation:

So, let us first fill in the gap in the question below. Note that the capitalized words are the words to be filled in the gap and the ones in brackets too.

"An elementary ntimesn scaling matrix with k on the diagonal is the same as the ntimesn identity matrix with EXACTLY ONE of the (0's) replaced with some number k. This means it is TRIANGULAR MATRIX, and so its determinant is the PRODUCT of its diagonal entries.​ Thus, the determinant of an elementary scaling matrix with k on the diagonal is (1).

Here, one of the zeros in the identity matrix will surely be replaced by one. That is to say, the determinants = 1 × 1 × 1 => 1. Thus, it is a a triangular matrix.

3 0
3 years ago
What do you know to be true about the values of a and b?
gizmo_the_mogwai [7]

Answer:

Can't be determined

Step-by-step explanation:

You just don't have enough info!

6 0
3 years ago
What is the answer to this multiplication problem 650*3456
Roman55 [17]
650 * 3456 = 2,246,400 is the answer.
7 0
3 years ago
Read 2 more answers
Gordon, Henry and Sarah share £48 in a ratio 2:3:1. How much money does each person get?
Alinara [238K]

Answer:

Gordon gets 16£, Henry gets 24£ and Sarah gets 8£

Step-by-step explanation:

Let the ratio be 2x + 3x + 1x

Total amount = £48

So;

2x + 3x + x = 48

6x = 48

x = 48 / 6

x = 8

Now

2x = 16

3x = 24

x = 8

5 0
3 years ago
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