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Juli2301 [7.4K]
3 years ago
13

What is 4z - 3/z + 6 when z = −3? I need this asap!!

Mathematics
2 answers:
OlgaM077 [116]3 years ago
7 0
-5 is what I got, if you plug in -3 where z is.
svetoff [14.1K]3 years ago
5 0
4(-3)-3/(-3)+6
PEMDAS
4(-3)=-12
-3/-3=1
-12+1=-11
-11+6
-5
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Can anyone help me on this
Anastaziya [24]
If their slopes are the same, the line are parallel, which means in number 3 and 5 the lines are parallel.
If one slope is the reciprocal of the other one with opposite sign, then they are perpendicular. Fir example lines with these slopes are perpendicular: 8/9 and -9/8
So, in number 4, 8 and 10 lines are perpendicular.
6 0
3 years ago
Write the standard form of an equation with p=3 sqrt2, theta= 135°​
Arlecino [84]

Answer:

x - y + 6 = 0

Step-by-step explanation:

In normal form of a straight line, the equation is given by  

x\cos \theta + y\sin \theta = p

where p is the perpendicular distance of the line from the origin and \theta is the angle between the perpendicular line and the positive direction of the x-axis.

Here, in our case p = 3\sqrt{2} and \theta = 135 Degree,

Therefore, the normal form of the straight line equation is  

x \cos 135 + y \sin 135 = 3\sqrt{2}

⇒ x \cos (180 - 45) + y \sin (180 - 45) = 3\sqrt{2}

⇒ - x \cos 45 + y \sin 45 = 3\sqrt{2} {Since, Cos (180 - Ф) = - Cos Ф and Sin (180 - Ф) = Sin Ф}

⇒- \frac{x}{\sqrt{2}} + \frac{y}{\sqrt{2}} = 3\sqrt{2}

⇒ - x + y = 3√2 × √2 = 6

⇒ x - y + 6 = 0  

So, the standard form of the equation is x - y + 6 = 0. (Answer)

7 0
4 years ago
Help me I have a test on this !!!!!!!!!!
luda_lava [24]
Nkddiejejeoowjneekejene
4 0
3 years ago
Which is bigger: 7/48 or 9/20?
Romashka-Z-Leto [24]
7/48 is the bigger one

8 0
3 years ago
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yawa3891 [41]

Answer:19,600

Step-by-step explanation:

8 0
3 years ago
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