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2 years ago

Pls help me now!! (T^T)

1 answer:

6 0

Vas happenin!!

1. Since it’s subtracting, another word for subtracting is difference

B is correct

2. There’s both a sum and difference

C is correct

Hope this helps

-Zayn Malik

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Hii guys I need help with this I took a screenshot of it.

eduard

Answer:

x <= 9

Step-by-step explanation:

x -15 <= -6

+15. +15

x <=9

8 0

2 years ago

Given z=4+3i evaluate z

DerKrebs [107]

Answer:

Step-by-step explanation:

Assuming we want to evaluate |z|, given that, z=4+3i.

Then, by definition of modulus,

$|x + yi| = \sqrt{ {x}^{2} + {y}^{2} }$

$|4+ 3i| = \sqrt{ {4}^{2} + {3}^{2} }$

$|4+ 3i| = \sqrt{ 16+ 9 } \\ |4+ 3i| = \sqrt{25 } \\ |4+ 3i| = 5$

Therefore the modulus be of the given complex number is 5 units

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3 years ago

Write the product 3i(5 - 3i) in the form a + bi.

stiks02 [169]

Answer:

9+15i

Step-by-step explanation:

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2 years ago

Give the center and radius of the circle. (x - 5)2 + y2 = 16

olasank [31]

Answer:

Centre: (5,0)

Radius: 4

Step-by-step explanation:

r² = 16

r = 4

7 0

3 years ago

Write an equation of a line that is perpendicular to y=2x-3 and has a y intercept of 10

AnnyKZ [126]

The slope of a line that is perpendicular to another line is the negative reciprocal of the other.

In this case, we know that the slope of the given equation is 2.

Since we're solving for a line perpendicular to it, we simply find the reciprocal of the 2 (It turns into 1/2) and make it negative.

y = -1/2x + b

Since the given states that the new y-intercept is 10, input it into 'b'.

y = -1/2x + 10

If you'd like me to explain anything I did here, just ask :)
-T.B.

4 0

2 years ago