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Tju [1.3M]
3 years ago
6

-7i(-9+6i) standard form

Mathematics
1 answer:
liq [111]3 years ago
4 0
-42-63i
Negative 42 minus 63i
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The circumference is __
Anestetic [448]

Answer:

<em>As </em><em>we </em><em>know </em><em>that </em><em>there </em><em>is </em><em>a </em><em>radius </em><em>which </em><em>is </em><em>2 </em><em>cm</em>

<em>so </em>

<em>circumference </em><em>=</em><em> </em><em>2</em><em> </em><em>π</em><em> </em><em>r</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em> </em><em>2</em><em> </em><em>*</em><em> </em><em>2</em><em>2</em><em>/</em><em>7</em><em> </em><em>*</em><em> </em><em>2</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em> </em><em>1</em><em>2</em><em>.</em><em>5</em><em>7</em><em>c</em><em>m</em>

<em>it's </em><em>circumference </em><em>is </em><em>1</em><em>2</em><em>.</em><em>5</em><em>7</em><em> </em><em>cm</em>

3 0
3 years ago
Read 2 more answers
Percy use hose to wash pig sty for 11 minutes. The hose uses 7 liters of water every minute how many liters did percy pig use to
kykrilka [37]

Answer:

Percy used 77 liters to wash

Step-by-step explanation:

This question can be solved using a rule of three.

Each minute of washing costs 7 liters.

She washed for 11 minutes.

So

1 minute - 7 liters

11 minutes - x liters

x = 7*11 = 77

Percy used 77 liters to wash

6 0
3 years ago
How did astronomer Yi Xing (A.D. 683-727) contribute to the development of mathematics in china?
SSSSS [86.1K]

Answer:

Yi Xing invented the astronomical clock and introduced some new methods of interpolation in mathematics.

Step-by-step explanation:

Yi Xing was both an astronomer and a mathematician during the era. He invented the astronomical clock which was more accurate than the initial water and Sun's clock in use.

Furthermore, Yi Xing also discovered some new methods of interpolation in mathematics of which the meaning and interpretation became controversial. Interpolation is a method majorly in mathematics that can be used to estimate a value of a function from its discrete values. It involves first order differences and second order differences.

Also, Yi Xing was able to design a calendar in A.D. 727.

4 0
3 years ago
Given sin b = .88 find angle b in radians
vazorg [7]

first convert 0.88 to degrees

 so arcsin(0.88) = 61.642 degrees

 Arcsin on a calculator is sin^-1

then to convert to radians divide degrees by 180 and multiply that by PI

so (61.642/180) x PI = 1.076 radians

5 0
3 years ago
Someone please help fast will mark as brainelist
Whitepunk [10]

Answer:

The founding fathers would have welcomed the immigrants coming from worn torn countries with open arms.  As seen in the quotations, the founding fathers say "Give me your tired, your poor"... indicating that they want those immigrants to come to America.  They want people who are not fortunate and who are struggling to survive to come to America because America is open to all races and all those types of people.  The founding fathers also say "Send these, homeless, tempest-tossed to me, I lift my lamp beside the golden door!".  Tempests, are storms, and people who are "tempest-tossed" are not in good condition.  The founding fathers want people who are not in very stable conditions, and those who are "homeless" to come to the land of opportunity.  America will open its "golden door" to those who are suffering.

Step-by-step explanation:

3 0
3 years ago
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