3 years ago

How to find the area of a complex shape

Mathematics

1 answer:

Ket [755]3 years ago

3 0

Answer:the answer is D

Step-by-step explanation:

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Answer the following questions: 2/3 is what percent of 1/4?

Zolol [24]

Answer:

1/2 or 0.5

Step-by-step explanation:

To find out what 2/3 is out of 3/4, we just have to multiply them together to get our exact answer.

$\frac{2}{3} *\frac{3}{4}=\frac{6}{12}=\frac{1}{2}$

Our final answer is 1/2 or 0.5.

7 0

3 years ago

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There exist two complex numbers $c$, say $c_1$ and $c_2$, so that $3 + 2i$, $6 + i$, and $c$ form the vertices of an equilateral

leva [86]

Answer:

The answer is " $\sqrt{12.5}$ "

Step-by-step explanation:

$\to (3,2), \ (6,1)$

Distance $=\sqrt{9+1}=\sqrt{10}$

midpoint height $=\sqrt{10+2.5}=\sqrt{12.5}$

let

Gradient $= \frac{1}{-3}$

Perpendicular Gradient $= 3$

midpoints $= (4.5, 1.5)$

Similar to perpendicular

Now I'll obtain the perpendicular bisector solution

An equation of the center circle $(4.5,1.5)$ radius will be $\sqrt{12.5}$ .

5 0

3 years ago

Help please thank you!

ozzi

4x^2 + 16x-2= 5x
Minus 16x over

4x2-2= -11x

Add 11x over

4x^2 +11x -2

Use quadratic formula x= 2.9
I’m not sure here. I tried my best. Hope it helps!

8 0

3 years ago

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Find an equation of variation in which y varies directly as x and y=420 when x= 100. Then find the value of y when x=11.

sweet [91]

Let's Simplify X to equal 1 by dividing by 100. then we divide 420 by 100 to get 4.2, so y=4.2 when x=1, we then multiply by each by 11.

y = 46.2
x = 11

4 0

3 years ago

X/9 = 9/27 please solve this for me

mars1129 [50]

Answer:

x=3

Step-by-step explanation:

This is a proportional equation:

Given: x/9=9/27

Cross-multiply: 27x=81

Divide: x=3

So x=3

6 0

3 years ago

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