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Grace [21]
3 years ago
8

Help me please, i need a answer asap

Mathematics
1 answer:
makkiz [27]3 years ago
7 0

Answer:

14/24 can be a answer?

Step-by-step explanation:

Hope this helped :)

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1.) 2x + y = 3 2.) x - 2y = -1 If equation 1 is multiplied by 2 and then the equations are added, the result is
Alexus [3.1K]
3×2=6
6+(-1)=6-1=5
The answer is 5
5 0
3 years ago
What is g(x) = -10(x-8)" +5 in standard form
nekit [7.7K]

Step-by-step explanation:

pls can you give me the answer I want to be sure

4 0
2 years ago
Where does the normal line to the parabola y = x − x2 at the point (1, 0) intersect the parabola a second time?
Ksivusya [100]
Find the line that is normal to the parabola at the given point
remember that normal means perpendicular
perpendicular lines have slopes that multiply to -1
we can use point slope form to write the equation of the line since we are given the point (1,0)

we just need the slope

take derivitive
y'=1-2x
at x=1
y'=1-2(1)
y'=1-2
y'=-1

the slope is -1
the perpendicular of that slope is what number we can multiply to get -1
-1 times what=-1?
what=1
duh
so
point (1,0) and slope 1
y-0=1(x-1)
y=x-1 is da equation

solve for where y=x-1 and y=x-x² intersect

set equatl to each other since equal y
x-1=x-x²
x²-1=0
factor difference of 2 perfect squares
(x-1)(x+1)=0
set to zero

x-1=0
x=1
we got this point already

x+1=0
x=-1
sub back
y=-1-(-1)²
y=-1-(1)
y=-1-1
y=-2

it intersects at (-1,-2)
7 0
3 years ago
Which equation represents a line that has a slope of -1/2 and passes through point (4, –5)?
Wewaii [24]
Y=-1/2x-3

You can rewrite the equation “y=mx+b” and fill in what you know. So your equation would look like y=-1/2x+b when filling in what you know. Now you can take the (x,y) coordinates that you were given and plug them into the equation and solve for b. So now it would be -5=-1/2(4)+b
8 0
3 years ago
Read 2 more answers
roberto needs to convert the equation 3x + y = -5 into slope-intercept form. why is able to add or subtract the variable term fr
dimulka [17.4K]
3x + y = -5

-3x + 3x + y = -3x - 5

y = -3x - 5
7 0
3 years ago
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