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Feliz [49]
2 years ago
15

Anyone want 30 POINTS AND BRAINLIEST.. go to my questions it will be the one under this one

Mathematics
2 answers:
Andreyy892 years ago
7 0

asssssssStep-by-step explanation:

MatroZZZ [7]2 years ago
5 0

Answer:

THANK YOU

Step-by-step explanation:

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What is the equation of a line that is perpendicular to −x+2y=4 and passes through the point (−2, 1) ? Enter your equation in th
ANTONII [103]
Perpendicular lines have slopes that multiply to get -1
y=mx+b is the slope intercept equation
m=slope

so get into y=mx+b form
-x+2y=4
solve for y
add x both sides
2y=x+4
divide by 2 both sides
y=(1/2)x+2
the slope is 1/2

perppendicular line slope multiplies to -1
1/2 times what=-1
times 2/1 both sides
what=-2/1=-2

y=-2x+b
find b
we are given a point is (-2,1)
when x=-2, y=1
1=-2(-2)+b
1=4+b
minus 3 both sides
-3=b

so the equation is
y=-2x-3

your teacher might want it in standard form (ax+by=c) so
add 2x both sides
2x+y=-3 is an equation


so y=-2x-3 is correct (slope intercept form)
2x+y=-3 is also correct (standard form)
6 0
2 years ago
The binomial (x + 5) is a factor of x2 + 8x + 15. What is<br> the other factor?
puteri [66]

Answer:

x+3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
in one hour the temperatures in a city fell was from 4.5 Degree C to -5.4 degrees C . How many degrees celius did
Thepotemich [5.8K]
The temperature dropped 9.9 degrees Celsius
8 0
2 years ago
PLEASE HURRY I NEED HELP SOS!!!!!!!! (15 POINTS)
yaroslaw [1]

Answer:

0, π, 7π/6, 11π/6   on the interval 0 ≤ ø <2π.

Step-by-step explanation:

sinø + 1 = cos2ø

Use the identity cos 2o = 1 - 2 sin^2 o:

sin o + 1 = 1 - 2 sin^2 o

2sin^2 o + sin o + 1 - 1 = 0

2 sin^2 o + sin o = 0

sin o (2 sin 0 + 1) = 0

Therefore sin o = 0 or sin o = -1/2.

For sin o = 0 , o = 0, π radians.

For sin o = - 1/2, o = 7π/6, 11π/6 radians.

8 0
3 years ago
What is the missing shape
Tatiana [17]

Answer:

C is \sqrt{52} or 2\sqrt{13}

Step-by-step explanation:

Using the Pythagorean theorem, you know that C=\sqrt{4^2+6^2}=\sqrt{16+36}=\sqrt{52}=2\sqrt{13}. Hope this helps!

7 0
3 years ago
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