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atroni [7]
3 years ago
14

Simplify the expression: (5 − 4i)(6 − 2i).

Mathematics
1 answer:
Natali [406]3 years ago
5 0

Answer:

22 - 34i

Step-by-step explanation:

(5-4i)(6-2i)

FOIL -> 30 - 10i - 24i - 8

22 - 34i

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Danny poured 78 liters of water into x,y,and z. The ratio of the volume of water in container x to the volume of water in contai
inna [77]

Answer:

x+y+z = 78

x/y = 5/2

y/z = 8/11

(x,y,z) = (40,16,22)

x-z = 18

6 0
4 years ago
Okay i need help finding y x 6 for y = 2/3 please help
aleksandr82 [10.1K]
First, you need to substitute y for 2/3:

2/3 • 6

Next, change 6 into a fraction and multiply straight across:

2/3 • 6/1
12/3

Finally, simplify it to its simplest form:

4
Your answer should be 4.
Hopefully that helped!
4 0
4 years ago
If the hypotenuse is c=a√2, then 6=a√2. In inches, what is the value of a?
Aloiza [94]

The value of a is 3√2 inches if it is given that the hypotenuse is c = a√2 and 6 = a√2. This can be obtained by using Pythagoras' theorem.

<h3>Calculate the value of a:</h3>

This question can be solved using Pythagoras' theorem,

If in a right angled triangle, hypotenuse is the longest side of the triangle and always opposite to the angle 90°, height and base are the two shorter sides which are adjacent to the angle 90°.

If hypotenuse = c, height = a and base = b then,

⇒ hypotenuse² = height² + base²

⇒ c² = a² + b²

Here in the question it is given that,

  • Hypotenuse of the triangle is c = a√2
  • 6 = a√2 in inches ⇒ c = 6
  • Height and base is equal and both has the value of a ⇒ height = a and base = a

By using the Pythagoras' theorem we can write that,

⇒ hypotenuse² = height² + base²

⇒  6² =  a² + a²

⇒  36 =  2a²

By dividing both sides of the equation by 2,

⇒  18 =  a²

⇒  a² = 18

By taking square on both side of the equation,

⇒ a = 3√2 inches

Hence the value of a is 3√2 inches if it is given that the hypotenuse is        c = a√2 and 6 = a√2.

Learn more about Pythagoras' theorem here:

brainly.com/question/9005379

#SPJ1

3 0
2 years ago
A student take out a simple interest loan for $2000.00 for 6 month at a rate of 6.50%. Find the interest the student must pay
ikadub [295]

Answer: he must pay $650 interest

Step-by-step explanation:

2000 x 0.650 x 1/2 = 650

5 0
3 years ago
Apply the distributive property to factor out the greatest common factor. 21e+35 =21e+35
Tpy6a [65]
The answer is 7(3e+5)=7(3e+5)
7 0
3 years ago
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