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polet [3.4K]
2 years ago
15

Which of the following is NOT true about unit rates?

Mathematics
1 answer:
lisov135 [29]2 years ago
3 0
A, it’s the move for that wuestion
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<img src="https://tex.z-dn.net/?f=%284%20%2B%206i%29%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title="(4 + 6i) {}^{2} " alt="(4 +
34kurt

Answer:

36i^{2}+48i+16

Step-by-step explanation:

(4+6i)^{2} is essentially (4+6i)(4+6i) (you are squaring (4+6i), so multiplying it by itself), so to simplify, you would need to distribute.

A good way to go about this is using the F.O.I.L. method, multiplying the First numbers in the parentheses, then the Outers, then Inners, and finally, Lasts.

(4+6i)(4+6i) >> (4+6i)(4+6i) >> (4+6i)(4+6i) >> (4+6i)(4+6i)

((4*4)+(4*6i)+(6i*4)(6i*6i))

After doing so, you would end up with 16+24i+24i+36i^{2}, and after combining like terms, 16+48i+36i^{2}.

To write the expression in standard form, though, just order the terms from highest to lowest power!

5 0
3 years ago
A cone has a radius of 6.2 mm and a height of 10.8 mm. What is the volume of the cone to the nearest tenth? use π = 3.14
guapka [62]

\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the volumes.

Here given as, r= 6.2 mm, h = 10.8 mm, π=3.14

hence, the volume of the cone is

Volume = 1/3(πr^2h)

===> vol = 1/3(3.14*(6.2)^2*(10.8))

==> Vol = 1/3*(1303.57)

==> Vol = 434.52 mm^3

Hence the volume of the cone is 434.52 mm^3

7 0
3 years ago
Read 2 more answers
What is numrical in math and complex function?<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20-%20i%7D%20" id="TexFormula1
Arte-miy333 [17]

Answer:

Step-by-step explanation:

\sqrt{- i} =\sqrt{(-1)i} =\sqrt{i^2i} =i\sqrt{i}

6 0
1 year ago
Simplify (4x − 6) + (3x + 6). (2 points) a 7x b 7x − 12 c x d 7x + 12
aleksley [76]

4x-6+3x+6=

7x

THE ANSWER IS "A"

8 0
3 years ago
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Jamal bikes 5 miles in 20 minutes, or of an
anyanavicka [17]
Jamal would bike further in
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