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Alexus [3.1K]
3 years ago
6

Divide the following complex numbers 30+20i/1+5i

Mathematics
1 answer:
kondaur [170]3 years ago
4 0
30+20i/1+5i is equal to 30+25i. The answer is 30+25i
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Ax + b = 10 solve for x
maxonik [38]

Answer:

x = (10 - b) / a

Step-by-step explanation:

ax + b = 10

ax = 10 - b

x = (10 - b) / a

6 0
3 years ago
A public library has an aquarium in the shape of a rectangular prism. The base is 6 feet by 2.5 feet. The height is 4 feet. How
goldenfox [79]
6 * 2.5 = 15 That’s the area of the base

2.5 * 4 = 10
10 * 2 = 20
That’s the area of the 2 smaller sides

6 * 4 = 24
24 * 2 = 48
That’s the area of the 2 larger sides

Then you add all the dimensions together.

15+20+48 = 83.

So, the final equation is (6*2.5) + 2(2.5*4) + 2(6*4) = 83
6 0
3 years ago
What is -7(x-2)=1=15-7x
Soloha48 [4]

Answer:

0

Step-by-step explanation:

Simplifying

-7(x + -2) + 1 = 15 + -7x

Reorder the terms:

-7(-2 + x) + 1 = 15 + -7x

(-2 * -7 + x * -7) + 1 = 15 + -7x

(14 + -7x) + 1 = 15 + -7x

Reorder the terms:

14 + 1 + -7x = 15 + -7x

Combine like terms: 14 + 1 = 15

15 + -7x = 15 + -7x

Add '-15' to each side of the equation.

15 + -15 + -7x = 15 + -15 + -7x

Combine like terms: 15 + -15 = 0

0 + -7x = 15 + -15 + -7x

-7x = 15 + -15 + -7x

Combine like terms: 15 + -15 = 0

-7x = 0 + -7x

-7x = -7x

Add '7x' to each side of the equation.

-7x + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0

0 = -7x + 7x

Combine like terms: -7x + 7x = 0

0 = 0

Solving

0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

3 0
3 years ago
156 rounded to the nearest hundred is?
aliina [53]
200 because 156 is closer to 200 than 100
6 0
3 years ago
What is the rate of exchange ? i dont understand what its asking
kirill115 [55]
Simple
like when you buy something at the store. the person is selling products to you
8 0
4 years ago
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