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Elis [28]
3 years ago
15

Find the slope of a line parallel to each given line Y=-3x-1

Mathematics
1 answer:
lara [203]3 years ago
4 0

Answer:

idk

Step-by-step explanation:

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What is - v + 12 v. Please answer asap
Aleonysh [2.5K]
It will be 11v
If you rearrange it to 12v- v
Then it’ll look like 12v- 1v
Which equals 11v
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3 years ago
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Which measure can be used to measure the variation of this data? Find this measure.
andriy [413]
What is the measure?
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3 years ago
I WILL MARK BRAINIEST <br> please answer question 5
Marat540 [252]

Answer:

a = 150

Step-by-step explanation:

The sum of the internal angles of an octagon is 1080°.

4a+4(120)=1080 (There are four 120^{\circ} and 4 a^{\circ}, they sum to 1080°)

4a + 480 = 1080

4a = 600

a = 150

Hope this helps :)

4 0
2 years ago
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If (5-3i)(x+iy)/(4-5i) = (2+i)^2-(3-4i)^2, then x=___ and y=____
Leona [35]
This looks complicated

lets simplify both sides

By multiplying top and bottom by the conjugate:-

left side  =  (5-3i)(x + iy) (4+5i)          (5-3i)(x + iy) (4+5i) 
                  ------------------------   =      ------------------------
                        (4-5i)(4+5i)                           41

right side =  (2 + i + 3-4)(2+i - 3 + 4i)    (by  Difference of 2 squares)

               =  5-3i)(-1 + 4i)

so as left side = right side

(5-3i)(x+yi)(4+5i)   = 41 (5-3i)(-1+5i)

5-3i is common so:-

(x + iy)(4+5i) = 41(-1+5i)

4x +5xi + 4yi - 5y = -41 + 205i

4x - 5y + (5x + 4y)i = -41 + 205i

EQuating coefficients we are left with the system of equations

4x -  5y = -41
5x + 4y  = 205

solving this gives x = 21 and y = 25


8 0
3 years ago
20 POINTS!
ValentinkaMS [17]

Answer:

Period =  \frac{2}{3}

The Ferris wheel will complete one round in 40 seconds.

Step-by-step explanation:

We have the function representing the height of the passenger by,

h=82.5 \sin 3\pi(t+0.5)+97.5, where t = time in minutes.

It is known that when a function f(x) has period P, then the function a×f(bx+c)+d will have the period \frac{P}{|b|}.

Since, the function \sin x has period 2\pi, so the function h will have period \frac{2\pi}{3\pi} i.e. \frac{2}{3}.

Thus, the period of the given function is \frac{2}{3}.

Now, as the period is \frac{2}{3} minutes i.e 40 seconds.

Hence, we get that the Ferris wheel will complete one round in 40 seconds.

6 0
3 years ago
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