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Vedmedyk [2.9K]
3 years ago
6

What is the magnitude of -10 + 24i?this is for a unit over complex numbers on a p e x​

Mathematics
1 answer:
WITCHER [35]3 years ago
4 0

Answer:

The magnitude of the number is of 26.

Step-by-step explanation:

Magnitude of a complex number:

A complex number has the following format: a + bi

In which a is the real coefficient and b is the imaginary coefficient.

The magnitude of the number is:

\sqrt{a^2+b^2}

What is the magnitude of -10 + 24i?

For this number, a = -10, b = 24. So

\sqrt{a^2+b^2} = \sqrt{(-10)^2+24^2} = \sqrt{676} = 26

The magnitude of the number is of 26.

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Why can 0.825 be written as a fraction explain
ale4655 [162]

Answer:

It can be written as 825/1000. You can simplify this to get the simplest form which would be 33/40. All decimals are out of one, they are a part. When you first get a decimal, put the numbers such as 825 on top. The last number is in the thousandths place, so it is out of 1000. 1000 is your denominator. Your fraction is then 825/1000. From here you can simplify if possible.

Hope this helps ^-^

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3 years ago
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Find the surface area of a right cone with diameter 30 in. and slant height 8 in.Your answerEXTRA CREDIT: Find the surface area
Anon25 [30]

<u>Answer:</u>

Surface area = 1084 in²

<u>Step-by-step explanation:</u>

To find the surface area of a right cone, we can use the following formula:

\boxed{{Area = \pi r^2 + \pi rl}},

where:

• r = radius

• l = slant height.

In the question, we are told that the diameter of the cone is 30 in. Therefore its radius is (30 ÷ 2 = ) 15 in. We are also told that its height is 8 in.

Using this information and the formula above, we can calculate the surface area of the cone:

Surface area = \pi \times (15)^2 + \pi \times 15 \times 8

                     = 345 \pi

                     \approx 1084 in²

6 0
1 year ago
Which property was used to simply the expression 3c+9+4c=3c+4c+9
34kurt
<span> commutative property</span>
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3 years ago
Andrew paid $10 for a burger. The burgers went in sale and there was a discount of 20%. What was the sale price of the burgers?
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First you need to find the amount of money the discount decreased.
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Then, in order to find the sale price you need to subtract the discount price from the original price of the burger.
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Answer: $8
6 0
3 years ago
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