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mixer [17]
2 years ago
5

Which system of equations has no solution?

Mathematics
1 answer:
Crank2 years ago
7 0

Answer:A


Stepslopes of 2lines are equal _1 andthey have different y intercept.. Then 2lines are parallel and the system has no soluion then the answer -by-step explanation:

Is (A)

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Rachael wants to receive monthly payments of $2,775 for 20 years. How much does she have to invest now in an annuity that offers
adoni [48]

Answer:

$387,336.64 1

Step-by-step explanation:

The computation of the amount invested now is shown below:

Here we use the present value formula i.e. to be shown in the spreadsheet

Given that,  

Future value = $0

Rate of interest = 6%  ÷ 12 months = 0.5%

NPER = 20 years × 12 months = 240 months

PMT = $2,775

The formula is shown below:

= -PV(Rate;NPER;PMT;FV;type)

So, after applying the above formula, the present value is $387,336.64 1

5 0
3 years ago
What are complex numbers? What are some real life applications of complex numbers? Please submit your responses in complete sent
Andrej [43]

Answer:

A Complex Number is a combination of a

Real Number and an Imaginary Number

and

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4 0
2 years ago
Which is the graph of f(x) = 2(3)x
katovenus [111]
If you marked the one on the left then you are correct.  The initial value for this exponential function is 2.  That is where x is 0 and y have some value.  You could do this mathematically by replacing the x in the equation with a 0 and solving for y.  Anything, whether it be a variable or a number, raised to the power of 0 is 1.  y = 2 then when you raise 3 to the 0 power because 3^0 = 1 and 2*1 = 2. 
3 0
3 years ago
Read 2 more answers
Help will give brainiest if right plzzzzzzzzzzz<br><br><br><br> NO LINKS
hammer [34]

Answer:

1.     x >= 5

2.    x > -8

3.    x <  4

4.    x <= 8

Step-by-step explanation:

3 0
2 years ago
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Setler79 [48]

The formula of the dot product of two vectors:

\overrightarrow{u}\circ\overrightarrow{v}=|\overrightarrow{u}|\cdot|\overrightarrow{v}|\cos\alpha

We have:

|\overrightarrow{u}|=2\\|\overrightarrow{v}|=\dfrac{1}{9}\\\alpha=\dfrac{\pi}{4}\to\cos\dfrac{\pi}{4}=\dfrac{\sqrt2}{2}

Substitute:

\overrightarrow{u}\circ\overrightarrow{v}=9\cdot\dfrac{1}{9}\cdot\dfrac{\sqrt2}{2}=\dfrac{\sqrt2}{2}

5 0
2 years ago
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