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Rzqust [24]
3 years ago
8

Simplify the complex number 2-4i 6+4i

Mathematics
2 answers:
krek1111 [17]3 years ago
8 0

Answer: 6+4i

Step-by-step explanation:

Paladinen [302]3 years ago
5 0

Answer:

the answer is 4+32i

Step-by-step explanation:

the answer is 4+32i

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Please Need Help. Thank You :)<br><br><br>Please find the Volume of these cylinders:
vladimir2022 [97]

Answer:

the one for the finding the height is 3.3, the one with 7 as the height is 351.86, and the one with 3 as the height is 150.8

Step-by-step explanation:

h=V

πr2=41.5

π·22≈3.30247

V=πr2h=π·42·7≈351.85838

V=πr2h=π·42·3≈150.79645

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3 years ago
Can a 14 inch umbrella fit inside a suitcase that has dimensions of 9" x 12"? Explain.
inessss [21]
Yes. The umbrella is smaller than the suitcase. The suitcase is 81'^2, but the umbrella is 14
5 0
3 years ago
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Which solid has a greater volume?
Lady_Fox [76]

Answer:

C

Step-by-step explanation:

The volume of a cone is given by  V=\frac{1}{3}\pi r^2h

The volume of a cylinder is given by  V=\pi r^2 h

<em>Where h is the height and r is the radius</em>

The first figure is a cone with height 6 and radius 5, we can put it into the formula and find the volume:

\frac{1}{3}\pi r^2 h\\\frac{1}{3}\pi (5)^2 (6)\\=157.08

The second figure is a cylinder with height 50 and radius 1, we can put it into the formula and find the volume:

\pi r^2 h\\\pi (1)^2 (50)\\=157.08

We can see that they are equal. So answer choice C is right.

5 0
3 years ago
In a certain county, the number of Charter Schools is eleven less than twice the number of Alternative Schools. There are 35 Cha
vitfil [10]
Id have to say 2a-11=35 

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3 years ago
What is the percent of discount on a $37.50<br> dress on sale for $26.25?
tankabanditka [31]

Answer:

30% discount.

Step-by-step explanation:

4 0
3 years ago
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