• ### Write the sum of five consecutive even numbers if the middle one is 6m.?

:-- Sum = 2x + (2x + 2) + (2x + 4) + (2x + 6) + (2x + 8) 2x. + 4 = 6 x. = 1 Sum = 2 + 4 + 6 + 8 + 10 = 30
:-- Sum = 2x + (2x + 2) + (2x + 4) + (2x + 6) + (2x + 8) 2x. + 4 = 6 x. = 1 Sum = 2 + 4 + 6 + 8 + 10 = 30
3 answers · Mathematics · 6 hours ago
• ### Find the exact value of the trig function, csc(u−v) given that sinu=5/13 and cosv=−3/5 (both u and v are in Quadrant II).?

:- 1 / sin ( u -- v ) 1 --------------------------------- sin u cos v - cos u sin v 1 ----------------------------------------... (5/13)(--3/5) - (-12/13)(4/5) 1 ------------------------ -15/65 + 48/65 65 ---------- 33
:- 1 / sin ( u -- v ) 1 --------------------------------- sin u cos v - cos u sin v 1 ----------------------------------------... (5/13)(--3/5) - (-12/13)(4/5) 1 ------------------------ -15/65 + 48/65 65 ---------- 33
2 answers · Mathematics · 6 hours ago
• ### What is the tangent of angle pi/2?

:-- tan ( π/2 ) is undefined
:-- tan ( π/2 ) is undefined
4 answers · Mathematics · 7 hours ago
• ### Solve with the Substitution method?

:-- x = 2 - 2y 4 ( 2 - 2y ) + 7y = 7 8 - y = 7 1 = y x = 2 - 2 x = 0 x = 0 , y = 1
:-- x = 2 - 2y 4 ( 2 - 2y ) + 7y = 7 8 - y = 7 1 = y x = 2 - 2 x = 0 x = 0 , y = 1
3 answers · Mathematics · 7 hours ago
• ### Find all solutions to 2cos(theta)=1 on the interval 0<theta<2pi? -?

:-- cos ∅ = 1/2 ∅ = π/3 , 5π/3
:-- cos ∅ = 1/2 ∅ = π/3 , 5π/3
2 answers · Mathematics · 7 hours ago
• ### Two similar cones have surface area ratio of 4:9 find the ratio of (a) their length (b) their volume?

a) L1 : L2 = 2 : 3 b) V1 : V2 = 8 : 27
a) L1 : L2 = 2 : 3 b) V1 : V2 = 8 : 27
4 answers · Mathematics · 8 hours ago
• ### Let A= {3, 7, 2}.?

:-- {3} , {2} , {7} , {2,3} , {2,7} , {3,7} , { } , {3,7,2} 8 subsets
:-- {3} , {2} , {7} , {2,3} , {2,7} , {3,7} , { } , {3,7,2} 8 subsets
1 answer · Mathematics · 8 hours ago
• ### Please help me with with trig identies?

:- As you suggest :- 1 -------------------------- = sec²x csc²x cos²x sin²x
:- As you suggest :- 1 -------------------------- = sec²x csc²x cos²x sin²x
6 answers · Mathematics · 15 hours ago
• ### Use the Law Of Cosines to find angle B if c =1, b=4, and A=100°. Round to the nearest degree.?

:- a² = b² + c² - 2 bc cos A a² = 16 + 1 -- 8 cos 100° a² = 18•4 a = 4•29 a/sin A = b/sinB sin B = b sin A / a sin B = 4 sin 100 ° / 4•29 sin B = 0•92 B = 67°
:- a² = b² + c² - 2 bc cos A a² = 16 + 1 -- 8 cos 100° a² = 18•4 a = 4•29 a/sin A = b/sinB sin B = b sin A / a sin B = 4 sin 100 ° / 4•29 sin B = 0•92 B = 67°
5 answers · Mathematics · 18 hours ago
• ### Help with this math problem?

:- tan ∅ = sin ∅ / cos ∅ cos ∅ = sin ∅ / tan ∅ sin ∅ = cos ∅ tan ∅
:- tan ∅ = sin ∅ / cos ∅ cos ∅ = sin ∅ / tan ∅ sin ∅ = cos ∅ tan ∅
2 answers · Mathematics · 19 hours ago
• ### In summer, the sun shines for 5/8 of the day. For how many hours does it shine in summer?

:-- 5/8 x 24 = 5 x 3 = 15 Will shine for 15 hours
:-- 5/8 x 24 = 5 x 3 = 15 Will shine for 15 hours
12 answers · Mathematics · 20 hours ago
• ### Find the equation of the tangent line to the curve x^2 + 4xy + y^2 = 13 at the point (2, 1).?

:-- 2x + 4y + (dy/dx) (4x) + 2y dy/dx = 0 [ 4x + 2y ] dy/dx = -- 2 ( x + 2y ) dy/dx = -- 2 ( x + 2y ) / (4x + 2y ) dy/dx = --2 (4) / 10 = -- 4/5 y - 1 = (--4/5) ( x - 2 ) y = (- 4/5) x + 13/5
:-- 2x + 4y + (dy/dx) (4x) + 2y dy/dx = 0 [ 4x + 2y ] dy/dx = -- 2 ( x + 2y ) dy/dx = -- 2 ( x + 2y ) / (4x + 2y ) dy/dx = --2 (4) / 10 = -- 4/5 y - 1 = (--4/5) ( x - 2 ) y = (- 4/5) x + 13/5
6 answers · Mathematics · 20 hours ago
• ### Find the solution of the equation 2cos^(2) x = sinx+1 in the interval [0,2π).?

:-- 2 ( 1 -- sin²x ) = sin x + 1 2 -- 2 sin²x = sin x + 1 2 sin²x + sin x - 1 = 0 ( 2 sin x - 1 ) ( sin x + 1 ) = 0 sin x = 1/2 , sin x = - 1 x = π/6 , 5π/6 , 3π/2
:-- 2 ( 1 -- sin²x ) = sin x + 1 2 -- 2 sin²x = sin x + 1 2 sin²x + sin x - 1 = 0 ( 2 sin x - 1 ) ( sin x + 1 ) = 0 sin x = 1/2 , sin x = - 1 x = π/6 , 5π/6 , 3π/2
3 answers · Mathematics · 1 day ago
• ### How to solve this stimulus equation using the elimination method. 3x+2y-1=0 -2x+y+3=0?

:- These are simultaneous equations. 6x + 4y = 2 - 6x + 3y = -- 9________add 7y = -- 7 y = -- 1 6x - 4 = 2 6x = 6 x = 1 x = 1 , y = -- 1
:- These are simultaneous equations. 6x + 4y = 2 - 6x + 3y = -- 9________add 7y = -- 7 y = -- 1 6x - 4 = 2 6x = 6 x = 1 x = 1 , y = -- 1
7 answers · Mathematics · 1 day ago
• ### Whats the greatest common factor of 54 and 72?

:-- 18 is HCF of 54 and 72
:-- 18 is HCF of 54 and 72
12 answers · Mathematics · 1 day ago
• ### What is 33 l/3 of £100.15?

:-- Assuming that we are talking about 33⅓ % 1/3 x £ 100 . 15 = £ 33 . 38
:-- Assuming that we are talking about 33⅓ % 1/3 x £ 100 . 15 = £ 33 . 38
3 answers · Mathematics · 1 day ago
• ### Please help me with this math problem?

:-- ( cos x + 3 ) ( cos x + 1 ) = 0 cos x. = -- 1 x = π radians
:-- ( cos x + 3 ) ( cos x + 1 ) = 0 cos x. = -- 1 x = π radians
3 answers · Mathematics · 1 day ago
• ### What is 12-6+4?

Best answer: :-- 6 + 4 = 10 or 16 - 6 = 10
Best answer: :-- 6 + 4 = 10 or 16 - 6 = 10
7 answers · Mathematics · 1 day ago
• ### X/50 + X/60=5 find the the common denominator in order to add fractions? Please explain I’m confused?

:- Multiply by 300 6X + 5X = 1500 11X = 1500 X = 1500 / 11
:- Multiply by 300 6X + 5X = 1500 11X = 1500 X = 1500 / 11
6 answers · Mathematics · 1 day ago
• ### How do I find the greatest common denominator of 50 an 60 ? Please explain ?

:- The LEAST common denominator is 300 as follows :- 50__100__150__200__250__ 300 60__120__180__240__300
:- The LEAST common denominator is 300 as follows :- 50__100__150__200__250__ 300 60__120__180__240__300
5 answers · Mathematics · 1 day ago