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Svet_ta [14]
3 years ago
7

Find the value of k for which equation k2x2+2kx=4x-6 has no real roots.

Mathematics
1 answer:
hoa [83]3 years ago
6 0

Answer:

Step-by-step explanation:

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1.3.12
jasenka [17]

Answer:

(0.5,-1.5)

Step-by-step explanation:

this is the numbers i got when I put it in...

m=({-\frac{1+0}{2}  , \frac{-5+2}{2})

(0.5,-1.5)

7 0
3 years ago
Read 2 more answers
Find the radius of a circle in which the central angle of (pie /4 ) radian determines a sector with an area of 86m^2
LenKa [72]
Area of sector  = 1/2 * r^2 * x   where r = radius and x = angle in radians

86 = 1/2 * r^2 * pi/4

r^2 = 2 * 86 * 4  / pi  =  219

r =  sqrt 219

= 14.80
6 0
3 years ago
A line passes through (10,-1) and has a slope of -1/2 whats the equation of the line
8090 [49]

Answer:

Y=-1/2x+4

Step-by-step explanation:

-The slope is -1/2 so you just plug it in where the slope would go with an x in front

-all you need now is your y-intercept which can be found by plugging in the provided info to your basic form y=mx+b

-You can take the provided point at (10,-1) and work out what the intercepts is

-1=-1/2(10)-b

-1=-5-b

4=b

8 0
3 years ago
Can someone do these? i'll give brainleist to whoever does them all​
igor_vitrenko [27]
You have to multiply 6x6x6= 218
4 0
3 years ago
Simplify -15m ^{3} n^{-8}/5m^{-4}n^{-3}
Georgia [21]
<u>-15m³n⁻⁸</u> = <u>-15m⁷n³</u> = <u>5m⁷n³</u> = <u>5m⁷</u>
 5m⁻⁴n⁻³          5n⁸           n⁸        n⁵
8 0
3 years ago
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