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Reika [66]
3 years ago
10

P+Q+R=180 then to prove (cosp/sinq. sinr) + (cosq/sinr. sinp) + (cosr/sinp. sinq)=2

Mathematics
2 answers:
Blababa [14]3 years ago
8 0

typing it here will be problem

never [62]3 years ago
3 0

Answer:

hi byehi bye

Step-by-step explanation:

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Help please its for school
Alex

Answer:

68.302

Step-by-step explanation:

68302/1000=68.302

hope this helps :)

8 0
3 years ago
Read 2 more answers
Find the distance between these points. <br> A(5,8), B(-3,4)
konstantin123 [22]

Answer:

<u>Distance</u><u> </u><u>between</u><u> </u><u>the</u><u> </u><u>points</u><u> </u><u>is</u><u> </u><u>8</u><u>.</u><u>9</u><u>4</u><u> </u><u>units</u>

Step-by-step explanation:

General formula:

{ \boxed{ \bf{distance =  \sqrt{ {(x_{1} - x _{2} )}^{2} +  {(y _{1} - y _{2} ) }^{2}  } }}}

substitute:

{ \sf{ =  \sqrt{ {(5 - ( - 3))}^{2}  +  {(8 - 4)}^{2} } }} \\  = {  \sf{ \sqrt{64 + 16} }} \\  = { \sf{ \sqrt{80} }} \\  = 8.94 \: units

{ \underline{ \sf{ \blue{christ \: † \: alone}}}}

6 0
3 years ago
Read 2 more answers
Match the solid figure to the appropriate formula.
Zinaida [17]
<span>1. A = 1/4s squared, square root of 3      equilateral triangle
2. A = bh                                                  rectangle  
3. A = pi(r) squared                                  circle area 
4. A = 1/2 h (b1+ b2)                                trapezoid
5. C = pi(d)                                               circle circumference 
6. A = base x altitude                               parallelogram
7. A = 1/2(ap)                                           regular polygon
8. A = 1/2(bh)                                           triangle

</span><span>- regular polygon
- trapezoid
- parallelogram
- circle circumference
- equilateral triangle
- circle area</span>
4 0
3 years ago
Elena walked 12 miles. Then she walked 0.25 that distance. How far did she walk all together? Select all that apply. A: 12+0.25∙
vovangra [49]

Answer:

Step-by-step explanation:

If Elena walk 12 miles, and then 0.25 that distance

0.25=1/4

12*1/4=3 miles is 1/4 of the distance

she walked in total 12+3=15 miles

choice A =12+12*1/4

3 0
3 years ago
I need to know how I need to do in order to find the area?
Sunny_sXe [5.5K]
I would split it up into simple shapes like squares and rectangles, find the area of those, then add it up
5 0
3 years ago
Read 2 more answers
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