• ### If the distance from Uranus to the Sun is 2,871km how many times would you have to travel from Sheffield?

to London to cover that distance (168miles)
to London to cover that distance (168miles)
3 answers · Mathematics · 1 decade ago
• ### What is the value of tan θ?

a) Given that θ = 5 cos θ, find the value of tan θ? b) Hence, find the values of θ in the interval 0<θ<360 for which sin θ = 5 cos θ answers to 1d.p
a) Given that θ = 5 cos θ, find the value of tan θ? b) Hence, find the values of θ in the interval 0<θ<360 for which sin θ = 5 cos θ answers to 1d.p
1 answer · Mathematics · 1 decade ago
• ### What is the value of tan θ?

a) Given that θ = 5 cos θ, find the value of tan θ? b) Hence, find the values of θ in the interval 0<θ<360 for which sin θ = 5 cos θ answers to 1d.p
a) Given that θ = 5 cos θ, find the value of tan θ? b) Hence, find the values of θ in the interval 0<θ<360 for which sin θ = 5 cos θ answers to 1d.p
1 answer · Mathematics · 1 decade ago
• ### Express 2 loga 3 + loga 11 as a single logarithm to base a?

3 answers · Mathematics · 1 decade ago
• ### What would happen to temperature in this chemical reaction?

Simplified method: 1) Sodium Hydroxide in polystyrene cup for first 4 minutes - does temperature decrease? 2) Unkown acid is added to sodium hydroxide - temperature increases?
Simplified method: 1) Sodium Hydroxide in polystyrene cup for first 4 minutes - does temperature decrease? 2) Unkown acid is added to sodium hydroxide - temperature increases?
3 answers · Chemistry · 1 decade ago
• ### What are all the values of θ (1d.p) in the interval 0°≤ θ < 360°?

a) 5 sin (θ + 30°) = 3 b) tan^2 θ = 4
a) 5 sin (θ + 30°) = 3 b) tan^2 θ = 4
1 answer · Mathematics · 1 decade ago
• ### Using the trapezium rule, estimate the value of s?

s = ∫ √(1.2^t - 1) dt boundaries are 0 and 30
s = ∫ √(1.2^t - 1) dt boundaries are 0 and 30
1 answer · Mathematics · 1 decade ago
• ### What are all the values of θ (1d.p) in the interval 0°≤ θ < 360°?

a) 5 sin (θ + 30°) = 3 b) tan^2 θ = 4
a) 5 sin (θ + 30°) = 3 b) tan^2 θ = 4
1 answer · Mathematics · 1 decade ago
• ### Find all the values of θ (1d.p) in the interval 0°≤ θ ≥ 360°?

a) 5 sin (θ + 30°) = 3 b) tan^2 θ = 4
a) 5 sin (θ + 30°) = 3 b) tan^2 θ = 4
1 answer · Mathematics · 1 decade ago
• ### What are the turning points of y = 2x^3 - 5x^2 - 4x + 2?

I got (-2,10) - min (-1/3, 73/27) max... I think this point is wrong?!
I got (-2,10) - min (-1/3, 73/27) max... I think this point is wrong?!
1 answer · Mathematics · 1 decade ago
• ### Factorise f(x) completely f(x) = 2x^3 + x^2 - 5x +c?

Given that (f) 1 = o a) find value of c? 2 surely...? b) factorise f (x) completely c) find the remainder when f(x) is divided by (2x-3)
Given that (f) 1 = o a) find value of c? 2 surely...? b) factorise f (x) completely c) find the remainder when f(x) is divided by (2x-3)
3 answers · Mathematics · 1 decade ago
• ### How to solve for 0°< x < 180° the equation sin (2x + 50°) = 0.6?

giving your answers to 1d.p ii) in the triangle ABC, AC = 18cm, ∠ABC = 60° and sin A = 1/3 a) Use the sine rule to show that BC = 4√3 b) Find the exact value of cos A
giving your answers to 1d.p ii) in the triangle ABC, AC = 18cm, ∠ABC = 60° and sin A = 1/3 a) Use the sine rule to show that BC = 4√3 b) Find the exact value of cos A
1 answer · Mathematics · 1 decade ago
• ### How to solve for 0°< x < 180° the equation sin (2x + 50°) = 0.6?

giving your answers to 1d.p ii) in the triangle ABC, AC = 18cm, ∠ABC = 60° and sin A = 1/3 a) Use the sine rule to show that BC = 4√3 b) Find the exact value of cos A
giving your answers to 1d.p ii) in the triangle ABC, AC = 18cm, ∠ABC = 60° and sin A = 1/3 a) Use the sine rule to show that BC = 4√3 b) Find the exact value of cos A
1 answer · Mathematics · 1 decade ago
• ### Solve for 0°< x < 180° the equation sin (2x + 50°) = 0.6?

giving your answers to 1d.p ii) in the triangle ABC, AC = 18cm, ∠ABC = 60° and sin A = 1/3 a) Use the sine rule to show that BC = 4√3 b) Find the exact value of cos A
giving your answers to 1d.p ii) in the triangle ABC, AC = 18cm, ∠ABC = 60° and sin A = 1/3 a) Use the sine rule to show that BC = 4√3 b) Find the exact value of cos A
1 answer · Mathematics · 1 decade ago
• ### Geometric series question?

The 2nd and 4th terms of a geometric series are 7.2 and 5.832 respectively. For this series, find a) common ratio b) first term c) sum of first 50 terms (3 d.p) d) difference between the sum to infinity and the sum of the first 50 terms (3d.p)
The 2nd and 4th terms of a geometric series are 7.2 and 5.832 respectively. For this series, find a) common ratio b) first term c) sum of first 50 terms (3 d.p) d) difference between the sum to infinity and the sum of the first 50 terms (3d.p)
4 answers · Mathematics · 1 decade ago
• ### Remainder/Factor theorem question?

f (x) = x^3 - 2 x^2 + ax + b (a and b are constants) When f (x) is divided by (x-2) the remainder is 1 When f(x) is divided by (x+1) the remainder is 28 a) find the value of a and the value b b) Show that (x-3) is a factor of f(x)
f (x) = x^3 - 2 x^2 + ax + b (a and b are constants) When f (x) is divided by (x-2) the remainder is 1 When f(x) is divided by (x+1) the remainder is 28 a) find the value of a and the value b b) Show that (x-3) is a factor of f(x)
8 answers · Mathematics · 1 decade ago
• ### Solve trig quadratic.... 5 cos^2 x = 3 (1+ sin x)?

In part a showed that it could be written as 5 sin^2 x + 3 sin x - 2 = 0 giving answer to 1d.p where appropriate...
In part a showed that it could be written as 5 sin^2 x + 3 sin x - 2 = 0 giving answer to 1d.p where appropriate...
1 answer · Mathematics · 1 decade ago
• ### How is this trig identities question done?

a) Show that the eqtn 5 cos^2 x = 3 (1 + sin x) can be written as ... 5 sin^2 x + 3 sin x - 2 = 0 b) hence solv, for 0 < x < 360 , the equation 5 cos^2 x = 3 (1 + sin x) giving answer to 1 d.p where appropriate
a) Show that the eqtn 5 cos^2 x = 3 (1 + sin x) can be written as ... 5 sin^2 x + 3 sin x - 2 = 0 b) hence solv, for 0 < x < 360 , the equation 5 cos^2 x = 3 (1 + sin x) giving answer to 1 d.p where appropriate
1 answer · Mathematics · 1 decade ago
• ### Why does HI have a higher boiling point than HCl (in terms of intermolecular forces)?

3 answers · Chemistry · 1 decade ago
• ### How do you find the equation for C? Circle C has centre (-3, 3) and passes through the point (2,1)?

6 answers · Mathematics · 1 decade ago