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Aleks [24]
3 years ago
15

What is the equation for the line with the given slope and passing through the given point:

Mathematics
1 answer:
faltersainse [42]3 years ago
8 0
<em>Find Slope:</em>
y = -x + 3
slope = -1
Perpendicular slope = 1

<em>Sub Slope into Equation </em>
y = mx + c
Found that m = 1 (slope = 1)
y = x + c

<em>Find C</em>
At (-1,3)
3 = (-1) + c
c = 3 + 1
c = 4

<em>Sub C into the equation </em>
y = x + 4
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Find S18 for geometric series given a5=-6 and a2= -48
Ganezh [65]

an = a1r^(n-1)

a5 = a1 r^(5-1)

-6 =a1 r^4


a2 = a1 r^(2-1)

-48 = a1 r


divide

-6 =a1 r^4

----------------    yields   1/8 = r^3      take the cube root  or each side

-48 = a1 r                     1/2 = r


an = a1r^(n-1)

an = a1 (1/2)^ (n-1)

-48 = a1 (1/2) ^1

divide by 1/2

-96 = a1


an = -96 (1/2)^ (n-1)


the sum

Sn = a1[(r^n - 1/(r - 1)]

S18 = -96 [( (1/2) ^17 -1/ (1/2 -1)]

       =-96 [ (1/2) ^ 17 -1 /-1/2]

      = 192 * [-131071/131072]

 approximately -192

     

       

     

3 0
3 years ago
There were 537 people in the parade.
enot [183]

Answer: 537-254=283

Hope this helped!

5 0
3 years ago
Read 2 more answers
The question is down below. <br> AB=
rjkz [21]

Answer:

Step-by-step explanation:

Sin(35) =  opposite / hypotenuse

Sin(35) = 4 / hypotenuse                  Multiply both sides by the hypotenuse

hypotenuse * sin(35) = 4                  Divide by Sin(35)

hypotenuse = 4/Sin(35)

Sin(35) = 0.5736

hypotenuse = 4/0.5736

hypotenuse = 6.9737

Rounded answer 6.97

3 0
3 years ago
Help me please???:)))
Bas_tet [7]

Answer: b ) 65

Step-by-step explanation:

50 + 65 = 115

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8 0
3 years ago
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Which expression is equivalent to 6 - 3a + a + 8?
Brilliant_brown [7]

Answer:

the answer would be − 2 + 1 4

Step-by-step explanation:

5 0
2 years ago
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