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Georgia [21]
2 years ago
5

Someone please help I need this ASAP Please.

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
5 0

Answer:

i think 2. is :   1and 3. is

Step-by-step explanation:

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ANSWERS IN MY QUESTION :)
shutvik [7]
The answers are - 3 and 5.
8 0
3 years ago
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The rectangular coordinates of a point are given. Find the polar coordinates ​(r,theta​) of this point with theta expressed in r
alexandr402 [8]

Answer:}

In polar coordinates P is

P  ( 12 ; 2.618 )  

Step-by-step explanation:

The point (ectangular coordinates)  

P ( -6√3  ;   6 )       P  (  x ; y )

Polar coordinates   P ( r  ;  θ )

x = r cos θ

y = r sin θ                  r > 0    and     0  ≤ θ ≤ 2π

Then

r  =  √ (x)² + (y)²        r  =  √(36)²*3 +( 36)²       r = √144

r  =  12   (hypothenuse module always positive)

The point   P  ( -6√3  ;   6 )   is in second cuadrant  between 90° and 180°

angle between  r  and horizontal axis x  is equal to θ

tan α =  l.opp/ l.adj.    tan θ =  y/x       tan θ = - 6 /6√3

tan α = - 1/√3

Then α  =  180⁰ - 150⁰  = 30⁰  or     θ =  150⁰

to express that value in radians we have :

1 π radian      =   180⁰         ⇒   3,1416   radians  =  180⁰

                                                      x ??                  =   150⁰

x =  radians

Finally the point is   P  ( 12 ; 2.618 )  

6 0
3 years ago
One method of estimating is to
nataly862011 [7]
One way of estimating is to Round the numbers to the nearest whole number.

Hope this helps!
3 0
3 years ago
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25 POINTS!!!!! REAL ANSWERS ONLY!!!!!!!! I WILL REPORT LINKS AND FAKE/WRONG ANSWERS!!!!!!!​
Nonamiya [84]

Answer:

7.

lateral surface area of traingular prism=perimeter of traingle ×length=[5+3+4]×6=72cm²

curved surface area=2[area oftraingle]=2×1/2×4×3

=12cm²

now

total surface area=72cm²+12cm²=84cm²

8.

volume of traingular prism=area of traingle ×length

=1/2×12×3.4×4=81.6cm³

3 0
2 years ago
Given: <br> P: 3x + 7 = -5<br> Q: 4x + 12 = -4
iVinArrow [24]

Answer:

A(8)-F5+6

Step-by-step explanation:

3 0
3 years ago
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