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Vinil7 [7]
3 years ago
12

Write the product in standard form. ( 4 + 7i)( 7 + 7i)

Mathematics
1 answer:
Helen [10]3 years ago
7 0
The answer is a) -21 - 77i
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Point A is located at (-4,\ 9)(−4, 9) on the coordinate plane. Point B is located at (-4,\ -7)(−4, −7). ​What is the distance be
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Answer:

AB = 16 units

Step-by-step explanation:

Given the coordinate (-4, 9) and (-4, -7)

Using the formula for calculating the distance between two points

AB = √(x2-x1)²+(y2-y1)²

AB =√(-7-9)²+(-4+4)²

AB = √(-16)²+0²

AB = √16²

AB = 16 units

Hence the distance between Point A and Point B is 16 units

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3 years ago
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Answer:

<u>graphically</u> :

The graph is symmetrical about the origin.

Then it represents an odd function.

<u>symmetry </u>:

The origin is a center of symmetry.

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Step-by-step explanation:

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Fertilizer for your lawn has to be mixed with water. Every 5 ounces of mix needs 1 gallon of water. How many cups of mix do you
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Answer:

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Step-by-step explanation:

There are 8 ounces in a cup, so the ratio given is ...

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Multiplying this by 8, we have ...

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If you are using 8 gallons of water, you need 5 cups of mix.

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Check the picture below.

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