Please Please Please solve.

Mathematics

2 answers:

lawyer [7]3 years ago

8 0

The answer is letter G

harina [27]3 years ago

7 0

The answer to this problem
is Letter G<span />

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What is the area of the shaded region?

marshall27 [118]

Area of large triangle
= 1/2 bh
= 1/2 (5)(12)
= 1/2 (60)
= 30

area of un-shaded triangle
= 1/2bh
= 1/2(3)(4)
= 1/2 (12)
= 6

area of shaded = area of large triangle - area of un-shaded triangle
area of shaded = 30 - 6
area of shaded = 24

answer
24

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4 years ago

Complete the activity to find the average marks if marks scored in maths test by

Evgen [1.6K]

Adding all the marks and dividing them by the total no. of students to get the average marks.

Avg. marks = (7+8+7+9+6)/5
Avg. marks = 37/5
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3 years ago

Perform the indicated operation and express the result as a simplified complex number. I need help with 35

skelet666 [1.2K]

Given:-

$\frac{3+4i}{2-i}$

To find:-

The simplified form.

At first we take conjucate and multiply below and above.

The conjucate is,

$2+i$

So now we multiply. we get,

$\frac{3+4i}{2-i}\times\frac{2+i}{2+i}$

Now we simplify. so we get,

$\frac{3+4i}{2-i}\times\frac{2+i}{2+i}=\frac{6+3i+8i+4(i)^2}{2^2-i^2}$

We know the value of,

$i^2=-1$

Substituting the value -1. we get,

$\begin{gathered} \frac{6+3i+8i+4(i)^2}{2^2-i^2}=\frac{6+3i+8i+4(-1)_{}^{}}{2^2-(-1)^{}} \\ \text{ =}\frac{6-4+11i}{2+1} \\ \text{ =}\frac{2+11i}{3} \end{gathered}$

So now we split the term to bring it into the form a+ib. so we get,