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snow_lady [41]
3 years ago
9

Answer number 16 please thank you

Mathematics
1 answer:
dusya [7]3 years ago
7 0
I think the answer is B
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Solve 2x2 − 12x + 20 = 0.<br><br> 3 ± i<br> 3 ± 2i<br> 1 ± 2i<br> 2 ± 3i
makkiz [27]
This is the concept of quadratic equations, solving the equation 2x^2-12x+20=0 using the formula we get:
x=[-b+/-sqrt(b^2-4ac)]/(2a)
from our equation, a=2,b=-12 and c=20
x=[-(-12+/-sqrt((-12)^2-4*2*20)]/(2*2)
x=[12+/-sqrt(144-160]/4
x=[12+/-sqrt(-16)]/4
x=[12+/-4i]/4
x=[3+\-i]
the answer is A] 3+/-i
7 0
3 years ago
A wheelchair ramp rises 1.5 feet for every 18 feet of horizontal distance it covers. Find the rate of change of the ramp
Ierofanga [76]
By definition the rate of change of a function is given by:
 AVR =  \frac{Change In Y}{Change In X}
 Or equivalently:
 AVR = \frac{y2 - y1}{x2 - x1}
 Substituting the values given in the problem we have:
 AVR = \frac{1.5}{18}
 Rewriting we have:
 AVR = 0.08
 Answer:
 
the rate of change of the ramp is:
 
AVR = 0.08
7 0
3 years ago
I need help finding M and B please
dem82 [27]
Im not sure but i think your m is(-2,0) and your b is (6,0)
8 0
3 years ago
Can someone right it out imma learnin
Lesechka [4]

I = $252

R = 7%

P = $900

Find T?

Make T the subject

T -> x R -> x P = I

I -> / P -> / R = T

T = I/PR

T = 252/(7% x 900)

T = 252/63

T = $4

3 0
4 years ago
Read 2 more answers
The volume of a cube is 2197mm (cubed) what is the length of its side
Mademuasel [1]

Answer:

l^3=volume of cube

l^3=2197

l=13

5 0
3 years ago
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