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Mathrules
Nombre de usuario
Mathrules
Puntuación
71
Membership
Stats
Preguntas
19
Respuestas
1
28 Questions
1 Answers
-1
763
1
+71
Help pretty please (Happy Black Friday)
Use Trigonometric identities to simplify Trigonometric Expressions.
1.
2.
lee mas ..
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Mathrules
29 nov 2019
-1
960
1
+71
Addition and subtraction identities
1. secx - sinx = (1 - sinx cosx)/cosx
2. sinx + tanx sinx = (sinx cosx + sin^2 x)/cosx
3. sec^2 x + cotx = (sinx + cos^3 x)/cos^2 x sinx
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Mathrules
28 oct 2019
-1
832
2
+71
Please Please please help
1. Prove:
2. Prove: (secx cscx) / cotx = sec^2 x
3. Prove: (secx cscx )/ csc^2 x = tanx
4. Prove: (tan^2 x cosx)/ 2secx = 1/2 sin^2 x
lee mas ..
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Mathrules
28 oct 2019
0
817
3
+71
Please Please please Help
Solve each triangle. Round your answers to the nearest tenth.
1) a = 28.9 in, b = 26.5 in , c = 21.5 in
2) In EFD, d = 48 cm , m E = 112° , f = 60 cm
lee mas ..
Omi67
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Mathrules
23 oct 2019
-5
555
0
+71
Mathrules
19 may 2019
-2
694
1
+71
I need help
If P(x) is the product of a linear polynomial and a cubic polynomial, how many roots does P(x) = 0 have?Explain
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Mathrules
19 may 2019
-2
699
1
+71
please help
explain why a polynomial equation with real coefficients and root 1-i must be of degree two or greater
Rom
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Mathrules
19 may 2019
-2
757
2
+71
please help
What are the Holes of the following functions
1. f(x) = (x2 - 3x + 2)(x - 3) / (x - 1)(x2 - 5x + 6)
2. f(x) = (x2 - 9)(3x + 2) / (x2 - 4)(x - 3)
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Mathrules
19 may 2019
-2
812
1
+71
help
The graph of which of the following rational equations has a hole
A. f(x) = (x2 + 5x + 4) / (x2 + x -
lee mas ..
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Mathrules
19 may 2019
-2
1329
1
+71
The volume (in cubic meters)(show work)
The volume (in cubic meters), V, of a rectangular room is given by the expression:
v = 7b^4-28
Where b is a positive integer and each dimension is a positive integer too. What are three unique expressions that could represent the
lee mas ..
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Mathrules
3 sept 2018
-2
1068
1
+71
Help Plezz
If a + b = -2 and x+y=-2
what is 4x + 5a + 4y + 5b?
hectictar
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Mathrules
30 ago 2018
-1
934
3
+71
Solve please
1) 3x^2 + 81=0
2) 6x^2 = -126
3) (1/4)x^2 + 12=0
lee mas ..
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Mathrules
15 ago 2018
-2
1141
0
+71
circular swimming pool
A park has a circular swimming pool. The diameter of the pool is 19ft. Whatis the distance traveled if you swim around the edge of the pool once? Use π ≈ 3.14.
Mathrules
15 jul 2018
-2
3557
1
+71
please help
1. Write a rule for the nth term of the arithmetic sequence with a1= -7 and the common difference of 5/2.
2. Find the sum of the first 10 terms of the arithmetic series. -5 + 0 + 5 + 10 +...
lee mas ..
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Mathrules
5 jul 2018
-2
920
1
+71
Complete a triangle proof (show work)
Complete a triangle proof given that AB is parallel to DE and B is parallel to E and prove that ABC is parallel to DEC.
(the shape look like a bowtie with the C point connecting the two triangles).
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Mathrules
5 jul 2018
-2
1156
1
+71
arithmetic (show work)
1. Write a rule for the nth term of the arithmetic sequence with a1= -7 and the common difference of 5/2.
2. Find the sum of the first 10 terms of the arithmetic series. -5 + 0 + 5 + 10 +...
lee mas ..
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Mathrules
3 jul 2018
-2
1096
1
+71
HLK is isosceles with base HK, IHL and JKL are right angles, IK=JH
HLK is isosceles with base HK, IHL and JKL are right angles, IK=JH
a.
HIL= KJL by HL
c.
lee mas ..
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Mathrules
3 jul 2018
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#3
+71
0
sorry I'm new to this
Mathrules
2 jul 2018