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Natali [406]
3 years ago
7

Round 40.2 to the next number

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
4 0

Answer:

40

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

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

2i²y + 2xi = 4+5i

-2y + 2xi = 4 + 5i

By comparing both sides,

-2y = 4

y = -2,

2x = 5

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2 years ago
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USPshnik [31]

Answer:

rectangular prism

Step-by-step explanation:

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4 0
3 years ago
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

81+16=c^{2}

97=c^{2}

Take square root on both sides.

c=9.8 meters.

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3 years ago
The following numerically ordered sequence of numbers has a mean of 17 and a median of 18.
lianna [129]
The values of a and b equals 10
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3 years ago
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