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dangina [55]
3 years ago
12

Pleassse help! I will mark as brainliest :)

Mathematics
2 answers:
AlladinOne [14]3 years ago
6 0
I = 8.
k = 4
j = sqrt(8^2 + 4^2) = 8.944.
Afina-wow [57]3 years ago
6 0
You can just count squares to find length of i and k:_
i = 8 and k =  4

now find j using pythagoras:-

j  = sqrt ( 8^2 + 4^2) =  sqrt 80  =  4 sqrt5
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1. Write the name of the properties:
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2 years ago
Use Words,Pictures or Numbers, make a Math Arguement.
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8 0
3 years ago
What multiplies to 16 and adds to negative 12
Romashka-Z-Leto [24]
Factor 16 and see the - factor pairs and add them, see which add to -12
-1-16=-17 nope
-2-8=-10 nope
-4-4=-8
hmm


we will solve with math
xy=16
x+y=-12
minus  x both sides
y=-12-x
sub for y in other equation
x(-12-x)=16
-12x-x^2=16
add 12x+x^2 both sides
0=x^2+12x+16
use quadratic formula
if you have
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}


0=x^2+12x+16
a=1
b=12
c=16

x=\frac{-12+/- \sqrt{12^{2}-4(1)(16) }}{2(1)}
x=\frac{-12+/- \sqrt{144-64 }}{2}
x=\frac{-12+/- \sqrt{80}}{2}
x=\frac{-12+/- 4\sqrt{5}}{2}
x=\frac{-6+/- 2\sqrt{5}
x=\frac{-6+ 2\sqrt{5} or \frac{-6- 2\sqrt{5}

aprox
x=-1.52786 or -10.4721

those are the numbers

the numbes are -1.52786 or -10.4721

6 0
3 years ago
Read 2 more answers
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