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gtnhenbr [62]
3 years ago
11

What is the volume of this rectangular prism?

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
8 0
D. 54 cm^3 hope this helps :)
Anit [1.1K]3 years ago
4 0
D.. 54 cm

multiply all 3 numbers = 9*2*3 = 54
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Use equivalent ratios to find unknown value plz halp!!!!​
iogann1982 [59]

Answer:

21

Step-by-step explanation:

It might be 21/30 , hope it helps though :)

7 0
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Put the following list of numbers in ascending order. 1.2, 0, -0.4,-2.6,0.8
xz_007 [3.2K]

Answer:

-2.6, -0.4, 0, 0.8, 1.2

Step-by-step explanation:

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Help!!!which of the following best describes the algebraic expression 10x+2
padilas [110]
I believe the correct answer is C) Ten times the quantity of a number plus two. Hope this helps! =)
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3 years ago
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(7 + 7i)(2 − 2i)
Ostrovityanka [42]

The complex number  -7i into trigonometric form is 7 (cos (90) + sin (90) i) and  3 + 3i in trigonometric form is 4.2426 (cos (45) + sin (45) i)

<h3>What is a complex number?</h3>

It is defined as the number which can be written as x+iy where x is the real number or real part of the complex number and y is the imaginary part of the complex number and i is the iota which is nothing but a square root of -1.

We have a complex number shown in the picture:

-7i(3 + 3i)

= -7i

In trigonometric form:

z = 7 (cos (90) + sin (90) i)

= 3 + 3i

z = 4.2426 (cos (45) + sin (45) i)

\rm 7\:\left(cos\:\left(90\right)\:+\:sin\:\left(90\right)\:i\right)4.2426\:\left(cos\:\left(45\right)\:+\:sin\:\left(45\right)\:i\right)

\rm =7\left(\cos \left(\dfrac{\pi }{2}\right)+\sin \left(\dfrac{\pi }{2}\right)i\right)\cdot \:4.2426\left(\cos \left(\dfrac{\pi }{4}\right)+\sin \left(\dfrac{\pi }{4}\right)i\right)

\rm 7\cdot \dfrac{21213}{5000}e^{i\dfrac{\pi }{2}}e^{i\dfrac{\pi }{4}}

\rm =\dfrac{148491\left(-1\right)^{\dfrac{3}{4}}}{5000}

=21-21i

After converting into the exponential form:

\rm =\dfrac{148491\left(-1\right)^{\dfrac{3}{4}}}{5000}

From part (b) and part (c) both results are the same.

Thus, the complex number  -7i into trigonometric form is 7 (cos (90) + sin (90) i) and  3 + 3i in trigonometric form is 4.2426 (cos (45) + sin (45) i)

Learn more about the complex number here:

brainly.com/question/10251853

#SPJ1

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2 years ago
When a number is increased by 40 % it gives 84. Find the original number
Julli [10]
I believe the answer is $33.60?
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