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djverab [1.8K]
3 years ago
12

(10 - 6i)/(2 + 8i) =?

Mathematics
1 answer:
butalik [34]3 years ago
5 0
Take to i letter in this problem mupliity it together with you would get -48i then take mupliy 10 time 2 would be 20 then after you do that you divided answer divied them an that will give you the answer.

-48/20= 24
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Two squares are similar. The
Pepsi [2]

Answer:

The perimeter of the second square is 36 inches

Step-by-step explanation:

Given

Represent the sides of the squares with S1 and S2.

So:

S_1:S_2 = 1 : 3 --- Scale factor

P_1 =12 --- perimeter of the first

Required

Calculate P2, the perimeter of the second

Represent the ratios of the perimeter:

Scale = P_1 : P_2

Substitute 12 for P1

Scale = 12 : P_2

Equate both scale factors

12 : P_2 = 1:3

Convert to fraction

\frac{12}{P_2} = \frac{1}{3}

Cross multiply

P_2 = 12 * 3

P_2 = 36

6 0
3 years ago
Round 823 to the nearest ten
bulgar [2K]

820

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4 0
3 years ago
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Which describes changing an angle of rotation?
givi [52]
I think the answer is B). because if the angle is changed if it turned on a fixed point. its changed if it translated or if the rays are changed, neither is it changed if it translated to the right either.
3 0
3 years ago
Read 2 more answers
What is 0.05 repeating as a fraction ?
grin007 [14]
This is the best I got Require to make 2 equations with the same repeating part and subtract them to eliminate the repeating part.

begin by letting x = 0.5555555................. (1)

To obtain the same repeating part after the decimal point need to multiply by 10

hence 10x = 5.555555........................(2)

It is important to obtain 2 equations in x, where the recurring part after the decimal points are exactly the same.

now subtract (1) from (2) to obtain fraction

(2) - (1) : <span>9x=5⇒x=<span><span>59</span></span></span>

8 0
3 years ago
During the winter months, there is a decrease of between 10 and 30 percent in business at a certain restaurant. Which of the fol
serious [3.7K]

Answer:

  d.  94

Step-by-step explanation:

If business decreases 10%, it is 100% - 10% = 90% of normal.

If business decreases 30%, it is 100% -30% = 70% of normal.

if business is 94% of normal, it is not between these values, so is not a winter business statistic.

7 0
3 years ago
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