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OLEGan [10]
3 years ago
9

What is the solution to 2x+1=-7x+19

Mathematics
1 answer:
joja [24]3 years ago
7 0
The answer is x equals 2
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In matrix theory, many of the familiar properties of the real number system are not valid. If a and b are real numbers, then ab
kozerog [31]

Answer:

B=\left[\begin{array}{ccc}0&0\\0&1\\\end{array}\right]

Step-by-step explanation:

Let's do the multiplication AB.

If A=\left[\begin{array}{ccc}1&0\\0&0\\\end{array}\right]

then the first row of A is= (1 0) by the first column of B= (0 0) is equal to zero.

the first row of A is= (1 0) by the second column of B= (0 1) is equal to zero too because 1.0+0.1=0.

the second row of A is= (0 0) by any colum of B is equal to zero too.

So we have found an example that works!

7 0
3 years ago
If you are buying at item at a store for a price of $61, and there is a 6.7% tax added on top, what would be the total amount du
bekas [8.4K]

Answer:

The total amount due at the register will be: $65.09    

Step-by-step explanation:

The cost of an item = $61

tax on item = 6.7%

The tax amount =  6.7% × 61

                           = 0.067 × 61

                           = $ 4.09

The total cost = cost of an item + tax amount

                           = $61 + $4.09

                           = $65.09

Therefore, the total amount due at the register will be: $65.09                        

3 0
3 years ago
A set of data already has the values 11, 14, 23, and 16. What value would have to be added to the set for the mean of the five n
KonstantinChe [14]
1) Take 18 and multiply it by 5 = 90
2) Then subtract 26 = 64
3) Then subtract 18 = 46
4) Then subtract 12 = 34
5)  Then subtract 8 = 26
 
The answer is 26.

5 0
3 years ago
If the perimeter of a rectangle is 124cm & the width is 35cm, what is the length?
-BARSIC- [3]

Answer:

l=27

b=2×35=70

2l=124-70=54

l=54/2=27

6 0
3 years ago
Which function has a range of y>_4
nikklg [1K]
B
The answer is b. Because you x can be a negative, but you’re squaring it so it will equal a positive, and if you add 4, it is still 4 or greater
3 0
3 years ago
Read 2 more answers
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