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Maslowich
3 years ago
5

Subtract (3 + 2i) from (-9-8i).

Mathematics
2 answers:
Ainat [17]3 years ago
6 0

Answer:(-12-10i)

Step-by-step explanation: two negatives make a positive (1--1=2)

Salsk061 [2.6K]3 years ago
3 0

Answer:

The answer to your question is  -12 - 10i    

Step-by-step explanation:

Subtract (3 + 2i) from (-9 - 8i)

Process

To subtract these numbers just subtract the real numbers and subtract the imaginary numbers.

   (-9 - 8i) - (3 + 2i)

Simplifying

= (-9 - 3) + (-8i - 2i)

Result

= -12 - 10i                                  

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ABCD, EFGH, and HIJK are squares.
Mariana [72]

Answer:

400/81 cm²

Step-by-step explanation:

FE : DC

1 : 3

Since area ABCD = 400

s² = 400

s = 20

FE = ⅓(20) = 20/3 cm

IH : FE

1 : 3

IH = ⅓(20/3) = 20/9 cm

Area of HIJK:

(20/9)² = 400/81 cm²

5 0
3 years ago
The Russian ice breaker you mall can move forward through 2.3 m thick ice at a speed of 5.5 km/h. Right and solve a multiplicati
viktelen [127]

Answer:

The Multiplication equation to find the number of hours taken to travel the distance is 5.5\times x=82.5.

It will taken <u>15 hours</u> by  Russian ice breaker to travel a distance of 82.5 km through the ice.

Step-by-step explanation:

Given:

Thickness of the ice = 2.3 m

Speed while moving forward = 5.5 km/h

Distance to travel through the ice = 82.5 km

We need to write and solve the multiplication equation to find the number of hours taken to travel the distance.

Solution:

Let the number of hours taken to travel the distance be 'x'.

Now We know that;

By Distance formula;

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framing in equation form we get;

5.5\times x=82.5

Hence The Multiplication equation to find the number of hours taken to travel the distance is 5.5\times x=82.5

On Solving above equation we get;

Dividing both side by 5.5 we get;

\frac{5.5x}{5.5}=\frac{82.5}{5.5}\\\\x=15 \ hrs

Hence It will taken <u>15 hours</u> by  Russian ice breaker to travel a distance of 82.5 km through the ice.

8 0
3 years ago
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Answer:

Step-by-step explanation:

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8 0
4 years ago
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If points A, B, and Clie on a line, then AB + BC = AC.<br> always<br> sometimes<br> never
nadya68 [22]

Answer:

Always

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