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lesya [120]
3 years ago
15

Can someone help me with this.

Mathematics
1 answer:
Allisa [31]3 years ago
5 0

Answer:

28 hours and 5 min

Step-by-step explanation:

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Helppp!!!!!
gladu [14]

Answer:

fyi b's answer has imaginary numbers in it...

Imaginary: 1 +\frac{\sqrt{2i} }{2 }    

Imaginary: 1 -  \frac{\sqrt{2i} }{2 }  

Step-by-step explanation:

2x^{2} - 4x -3 = 0

\sqrt{-4^{2} -4(2)(3)} = \sqrt{-8} ... the negative root will produce imaginary solutions

8 0
2 years ago
Read 2 more answers
Find the missing side of the triangle
Katena32 [7]

\\ \sf\longmapsto sin\theta=\dfrac{Perpendicular}{Hypotenuse}

\\ \sf\longmapsto sin74=\dfrac{n}{40}

\\ \sf\longmapsto n=40sin74

\\ \sf\longmapsto n=35(0.96)

\\ \sf\longmapsto n=38.4

7 0
2 years ago
8 people are boarding a plane 2 have tickets for first class and board before everyone. In how many ways can these people board
mixer [17]
2!6!=2\times1\times6\times5\times4\times3\times2\times1=1440
3 0
3 years ago
Solve using any method. All work must be shown and handwritten.
Rashid [163]

Answer:

x =  - 3

y = 1

Step-by-step explanation:

Write the system

3x - y =  - 10

x + y =  - 2

Solve by Elimination.

multiply the second equation by -3.

3x - y =  - 10

-3x   - 3y =  6

Add the Equations.

- 4y =  - 4

y = 1

Plug this back in one of the equations.

x + 1 =  - 2

x =  - 3

8 0
3 years ago
Read 2 more answers
which statement is true about the equations –3x 4y = 12 and x1/4 – 1/3y = 1? the system of the equations has exactly one solutio
finlep [7]
If you would like to solve the system of equations, you can do this using the following steps:

-3x + 4y = 12
x * 1/4 - 1/3 * y = 1 ... x * 1/4 = 1 + 1/3 * y ... x = 4 + 4/3 * y
_____________
<span>-3x + 4y = 12
</span>-3 * (4 + 4/3 * y) + 4y = 12
-12 - 4y + 4y = 12
-12 = 12
-12 - 12 = 0
-24 = 0

The correct result would be: <span>the system of the equations has no solution; the two lines are parallel.</span>
4 0
3 years ago
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