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Art [367]
3 years ago
13

Perform the operation and write the result in standard form. (4 − 3i)2

Mathematics
1 answer:
yaroslaw [1]3 years ago
4 0

Answer:

8-6i

Step-by-step explanation:

Multiply each part of the equation inside the parenthesis by 2. So you have 8 - 6i

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Fencing How much fencing is required to enclose a circular garden whose radius is 28 ​m? Use 3.14 for . About nothing m of fenci
Andru [333]

Answer:

175.84 m

Step-by-step explanation:

Given that:

A circular garden which has a radius of 28 m.

\pi = 3.14

To find:

The fencing required to enclose the circular garden ?

Solution:

Here, we are given a circle and its radius.

We are required to find the perimeter of the circle in order to find the fencing required to enclose the circular garden..

Formula for finding the perimeter of a circle is:

Perimeter = 2\pi r

where r is the radius of the circle.

Using the given values in the formula:

Perimeter = 2\times 3.14 \times 28 = <em>175.84 m</em>

Therefore, 175.84 m of fencing is required.

8 0
3 years ago
Help me please i am very lost but i am trying
mart [117]

Answer:

3.

A) is a function because each x goes the one of the ys

B) is not a function due to the x repeating. u can't have that

4.

yes it represents a function cause it passes the vertical line test.

3 0
3 years ago
11² - 7.6-43 = 2<br> Please help meee
Neko [114]

Answer:

112−7.6−43=2

70.4≠2

false

4 0
4 years ago
Lisa's test grades are 79, 89, and 90. there will be one more test this year. if lisa wants her test average to be at least 88,
erik [133]
For this case, what we are going to do first is to assume that all the exams are worth the same percentage of the final grade.
 We have then that Lisa's average grade point equation is:
 88 =  \frac{79 + 89 + 90 + x}{4}
 Where,
 x: minimum note that lisa must obtain in the last exam.
 Clearing x we have:
 x = (88 * 4) - (79 + 89 + 90)&#10;&#10;x = 94
 Answer:
 
the lowest grade she can get on her last test is:
 
x = 94
5 0
4 years ago
This isn’t a homework one I just need help please
erica [24]

Answer:

We use the ÷ symbol, or sometimes the / symbol.

Division is the opposite of multiplying. When we know a multiplication fact we can find a division fact:

Example: 3 × 5 = 15, so 15 / 5 = 3.

Also 15 / 3 = 5.

dividend ÷ divisor = quotient

When it does't divide evenly, like

7 ÷ 2 = 3 with 1

1 is the remainder.

<em>Hope this helps!!!</em>

8 0
3 years ago
Read 2 more answers
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