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Aleks [24]
3 years ago
14

I NEED HELP EMERGENCY!!

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
3 0
Oh okie oh gosh lol lol oh okie so
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Which shapes can be made from a planar cross section of a triangular pyramid? More than one can be correct: trapezoid, pentagon,
Jlenok [28]

Answer:

Triangle in isosceles, scalene or equilateral forms and

quadrilateral in trapezoid, rectangle or square forms

Step-by-step explanation:

<em>Refer to pictures attached</em>

<u>Shapes can be formed are:</u>

  • Trapezoid,  

<em>when perpendicular  to base</em>

  • Rectangle or square<em>,</em>

<em>when  angle cross section to base</em>

  • Isosceles triangle,

when base is isosceles triangle and parallel cross section to base,

or angle cross section

  • Scalene triangle,

<em>when base is scalene triangle and parallel cross section to base,</em>

<em>or angle cross section</em>

  • Equilateral triangle,

<em>when base is equilateral triangle and parallel cross section to base,</em>

<em>or angle cross section</em>

7 0
3 years ago
Please solve this for me <br> -16y=96
VikaD [51]

this is a answer

Step-by-step explanation:

y=96/-16

y=-6#

8 0
3 years ago
Tantheta+sintheta/tantheta-sintheta=sectheta+1/sectheta-1​
d1i1m1o1n [39]

Step-by-step explanation:

sin(theta)÷costheta+sintheta/sintheta÷COStheta- sintheta

sintheta+sintheta×costheta/sintheta-sintheta-costheta

sintheta(1+Costheta)/sintheta(1-costheta)

1+1÷Sectheta/1-1÷Sectheta

sectheta+1÷sectheta/sectheta-1÷sectheta

sectheta+1/sectheta-1

7 0
3 years ago
Read 2 more answers
Cosx=4/5 what is sin2x cos2x and tan2x
earnstyle [38]

Answer:

-24/5

Step-by-step explanation:

The solution to the problem is as follows:

cscx < 0 means 1/sinx < 0, or sinx < 0.  

sinx = -3/5 because you're dealing with a 3-4-5 triangle, and we established

sinx is negative.  

sin2x = 2sinxcosx = 2*-3/5*4/5 = -24/25  

cos(2x) = cos^2(x) - sin^2(x) = 16/25 - 9/25 = 5/25 = 1/5  

tan2x = sin2x / cos2x = -24/5

4 0
3 years ago
The length of a rectangle is five centimeters less than four times the width. If the perimeter id 50cm, find the width and lengt
Alex17521 [72]

Answer:

W is 6

L is 19

Step-by-step explanation:

L= 4W - 5

P= 2L + 2W

P= 2(4W-5) +2W

50=8W -10 +2W

60 = 10W

W= 6

L= 19

8 0
3 years ago
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