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3 years ago

The points (4,1 ) and (x,-6 lie on the same line. If the slope of the line is 1,what is the value of x?

Mathematics

1 answer:

konstantin123 [22]3 years ago

6 0

Answer:

wnsbsbwbqbqbqbqbqjqj

Step-by-step explanation:

snnaakaknananananabababababababababababa

nansskqlnzelsksuqqhnqqko

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Graph the line given by x+y=-2 and the quadratic curve given by y=x²-4. Find all solutions to the system of equations. Verify yo

ycow [4]

Answer:

(1,-3) and (-2,0)

Step-by-step explanation:

$x+y=-2$

$y=x^2-4$

Applying the second equation to the first

$x+x^2-4=-2\\\Rightarrow x+x^2-4+2=0\\\Rightarrow x^2+x-2=0$

Solving the equation we get

$x=\frac{-1+\sqrt{1^2-4\cdot \:1\left(-2\right)}}{2\cdot \:1}, \frac{-1-\sqrt{1^2-4\cdot \:1\left(-2\right)}}{2\cdot \:1}\\\Rightarrow x=1, -2$

When x = 1

$y=-2-1\\\Rightarrow y=-3$

When x = -2

$y=-2-(-2)\\\Rightarrow y=0$

So, the line and curve will intersect at points (1,-3) and (-2,0)

5 0

3 years ago

A school has 55 students . If 10 of the students are boys , what is the ratio of girls to boys ?

Art [367]

45:10 I think ? .. that’s how my teacher did it

4 0

3 years ago

Please help me gow to this bro , im confused

Airida [17]

Ok so remember that a circle is 360 degrees and a line is 180 degrees
so

IKJ
ok so we see that we have a triangle
to find the internal angles (which add to 180)
we do, opposite angles are equal
JIK=59
also CJI+KJI=180 so 132+KJI=180, KJI=48
so
59+48+IKJ=180
73=IKJ

HIB
we can assume that AB is paralell to CD
so therefor IJK=HIB=48 (from previous question)

EIJ is adding to EIH to get 180
EIJ+59=180
EIJ=121

AIK=AIJ+JIK
JIK=59
AIJ=HIB=48
AIK=59+48=107

IKJ=73
HIB=48
EIJ=121
AIK=107

6 0

3 years ago

What is (x^-2 y^10)^2/x^5 y^-3 using only positive exponents

Eddi Din [679]

Answer:

$\frac{(x^{ - 2}{y}^{10})^{2} }{ {x}^{5} {y}^{ - 3} } \\ \frac{ {x}^{ - 4} {y}^{20} }{ {x}^{5} {y}^{ - 3 } } \\ {x}^{ - 9} {y}^{23} \\ \frac{ {y}^{23} }{ {x}^{9} } \\ ans \: c$

8 0

2 years ago

Please helppp maybe write out the equation too

jolli1 [7]

84 and 6 i believe not sure tho

complementary adds to 90°

7 0

3 years ago

Read 2 more answers