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pashok25 [27]
3 years ago
5

Simplify completely: (3 - 5i)(6 + i) ​

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
8 0

Answer:

9+6i

Step-by-step explanation:

3+6=9

5+1=6

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A scale model of a tower is 24 inches tall and 18 inches wide. If the height of the actual tower is 60 feet, what is its width?
meriva

Answer:

The actual tower would be 45 ft wide.

Step-by-step explanation:

In order to find the width, we need to determine the scale factor. We can do that by dividing the actual height by the model height.

60ft:24in = 15ft:6in = 2.5ft:1in

Now we use that scale factor to determine the width. Multiply the scale factor by the width of the model.

18 inches * 2.5ft/in = 45 feet

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3 years ago
3(x-7)+8=-20<br><br><br><br>can someone explain how to do this step by step​
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3(x-7)+8=-20

Multiply the bracket by 3

(3)(x)(3(-7)+8= -20

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Move -13 to the other side. Sign changes from -13 to +13.

3x-13+13= -20+13

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Divide by 3

3x/3= -7/3

x= -7/3 or in mixed number : -2 1/3

Answer : x= -7/3 or in mixed number : -2 1/3

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