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finlep [7]
3 years ago
8

Divide $200 in the ratio 3:2

Mathematics
1 answer:
N76 [4]3 years ago
4 0

Answer:

120:80 I think this is the answer

Step-by-step explanation:

200 \div 5 = 40

40 = 1 \: ratio

3 \times 40 = 120

2 \times 40 = 80

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Find the product of z1 and z2, where z1 = 7(cos 40° + i sin 40°) and z2 = 6(cos 145° + i sin 145°).
Oduvanchick [21]
For two complex numbers z_1=re^{i\theta}=r(\cos\theta+i\sin\theta) and z_2=se^{i\varphi}=s(\cos\varphi+i\sin\varphi), the product is

z_1z_2=rse^{i(\theta+\varphi)}=rs(\cos(\theta+\varphi)+i\sin(\theta+\varphi))

That is, you multiply the moduli and add the arguments. You have z_1=7e^{i40^\circ} and z_2=6e^{i145^\circ}, so the product is

z_1z_2=7\times6(\cos(40^\circ+145^\circ)+i\sin(40^\circ+145^\circ)=42(\cos185^\circ+i\sin185^\circ)=42e^{i185^\circ}
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Tasya [4]

The coordinates of point F are (15/4 , -5/2)

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<h3>What is the coordinates  about?</h3>

From the image attached:

AB divided into 4 similar parts, hence

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Note also that:

 BC is said to be an  horizontal segment due to the fact that B and C have similar y - coordinate and G can be found on BC.

Since the y-coordinate of G is similar to y-coordinate of B and C

Then  y-coordinate of G is =  -3

Since DG ⊥ BC

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So  G has similar x-coordinate of D

Then  The x-coordinate of G = -3/4

The  G = (-3/4 , -3)

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brainly.com/question/12481034

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Step-by-step explanation:

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Answer:23/50

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Answer:

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<h3>  3.The resulting fraction, if required, is written as a mixed number in simplest   form.</h3>

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