3 years ago

Round 40.2 to the next number

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

4 0

Answer:

Step-by-step explanation:

2 is less than 5 round down

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3 years ago

(1+i)^2(x+yi)=4+5i<br> Solve for x and y

faust18 [17]

Answer:

x = 5/2

y = -2

Step-by-step explanation:

(1+i)² (x+yi) = 4+5i

(1+2i+i²)(x+yi) = 4+5i

(1+2i-1)(x+yi) = 4+5i

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-2y + 2xi = 4 + 5i

By comparing both sides,

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2 years ago

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Answer:

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Step-by-step explanation:

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A flying squirrel lives in a nest that is 9 meters high in a tree. To reach a fallen acorn that is 4 meters from the base of the

Luba_88 [7]

Answer:

Flying squirrel have to glide is for 9.8 meters approximately.

Step-by-step explanation:

Here we can use Pythagoras theorem.

Height is 9 , base is 4.

We need to find the hypotenuse measure.

So, let's use Pythagoras theorem $a^{2} +b^{2}= c^{2}$

Plug in a as 9 and b 4.

$9^{2} +4^{2}=c^{2}$

Simplify the left side of the equation

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