4 years ago

Twice the sum of a number and- 2 =16

Mathematics

1 answer:

o-na [289]4 years ago

5 0

2+a-2=16 hopefully this will help

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Question 3 of 5

grigory [225]

Answer:

Step-by-step explanation:

523=4/3 pi r^3

124.86=r^3

5=r

d=2r

d=10

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3 years ago

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What is bigger 3/7 or 2/10?

yanalaym [24]

3/7. if you make them equivalent fractions it would be 30/70 or 14/70. 30/70 is bigger.

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3 years ago

(2+3i)+(-4+i) left-parenthesis 2 plus 3 i right-parenthesis plus left-parenthesis negative 4 plus i right-parenthesis

Triss [41]

Answer:

-2 + 4i

Step-by-step explanation:

1) remove unnecessary parentheses:

2 + 3i + (-4 + i)

2) calculate difference:

-4 + 2 = -2

-2 + 3i + i

3) collect like terms:

For our answer: -2 + 4i

There ya go, hope I helped good luck!

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3 years ago

There is a regular dodecahedron with all the points connected to each other. What is the area if each of the shales formed if th

tamaranim1 [39]

Answer:

18581.16

Step-by-step explanation:

The area of each of the shale can be calculated as

distance between each point = x

The area of the regular Dodecahedron

A = $\sqrt[3]{25+10\sqrt{5} } a^{2}$

where a = number of edges = 30

hence the area of the regular dodecaheron = 18581.16

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3 years ago

If UX=34 and VX=37, what is WX? Write your answer as a whole number or as a decimal rounded to the nearest hundredth. *

PolarNik [594]

I believe the answer would be WX=39

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3 years ago