2,563 Answered Questions for the topic Maths

Maths Trigonometry

05/04/20

sketch the graph of y=-2 cosx for 0° ≤x ≤360 °
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Maths Trigonometry

05/04/20

show that one solution to 3 tanθ = 8 is 69.4° correct to 1 decimal place
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Maths

05/01/20

Does the point (-1,-1) lie on the line y=5x+3
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05/01/20

precalc question
Determine the angle needed for a sector whose perimeter is four times as big as the area.The radius of the sector is 3 feet.
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04/30/20

Precalc Question
Suppose Randall’s horse Ginger is walking around a circular track of radius 120 feet with an angular speed of 3 RPM clockwise. If she starts at the westernmost point of the track, give the... more
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Maths Algebra 2

04/30/20

If (3,5) is the midpoint of the line segment ST and the coordinates of S are (2,7), find the coordinates of T.
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Maths

04/30/20

Arithmetic problem
Complete this formula tn=t1+(n-1)d using the informationt1 = 7t8 = 6*t3
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Maths

04/30/20

if 20 metres of curtain material costs $580, what would be the cost metres of the same material?
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04/29/20

Three consecutive integers are such that 8 less than the first number plus the second times 6 plus half the third is -31. Find the numbers
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04/29/20

Find the total revenue

Suppose a company has an advertising of $880000 in 2016, which represent 35% of their total revenue. What is the total revenue?
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04/28/20

Probability - Hobby

Jake is trying to get dressed. He has 8 shirts; short sleeve, long sleeve, polkadots, striped, plaid, red, blue, and yellow, 4 pairs of pants; Jeans, khakis, gym, sweatpants, and 2 different... more
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Maths

04/28/20

making x the subject

rearrange a=4x over t-pto make x the subject
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04/27/20

Probability- Weight question
You can find the suspects weight by correctly predicting the number of people who will drink coffee. The hotel manager felt bad for keeping everyone awake so he decided to offer everyone a... more
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Maths

04/25/20

What is the decimal multiplier to increase by 58%
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Maths Algebra 2

04/20/20

I purchased a computer for 2,300 the computer depreciates at a rate of 20% each year. How much will the computer be worth after 4 years

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Maths Geometry

04/20/20

WXYZ is a rhombus and angle wxy is 35° what is the three unknow angles

XYZYZWZWX
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04/20/20

Maths Help please ( easy ) but not for me!!!
Make a the subject of d = g + 2acIf possible show me how you solved this. Thank you
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04/20/20

Need Help Maths !!!
Solve​x2 − 5x − 36 = 0Show clear algebraic working.
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Maths Probability

04/19/20

Prove that sample variance is not an unbiased estimator of population variance
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Maths

04/18/20

Rosa and matt are training for a 10kilometer run rosa runs 5.25km in 30 min and matt runs 2.25 in 15 minutes answer the following using the formula for speed km/h = distance km/time h

How long would it take rosa to finish the 10km race if she runs at the same speed as above express your answer to two decimal places How long would it take matt to finish the 10km race if he runs... more
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Maths Probability

04/17/20

The table shows the gender of students in each year group in a school
Year: 7 8 9 10 11Male: Year 7 = 71, Year 8 = 92, Year 9 = 108, Year 10 = 96, Year 11 = 93Female: Year 7 = 89, Year 8 = 88, Year 9 = 90, Year 10 = 92, Year 11 = 100A) What is the probability that a... more
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Maths Geometry

04/16/20

One angle of a triangle measures 35°. The other two angles are in a ratio of 9:20. What are the measures of those two angles?
i need it fasttttttttttttttttttt
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Maths

04/16/20

Proportion and Fraction
The nutrition information on a bran cereal box says that a 1/3 cup serving provides 80 calories and 8 grams of dietary fibre. At the rate, how many calories and grams of fibre are in a 1/2 cup... more
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04/15/20

Describe the number and types of roots for the equation: 5x^2 + 7= -4x
Describe the number and types of roots for the equation: 5x^2 + 7= -4xa. 2 real, rational rootsb. 2 real, irrational rootsc. 1 real, rational rootsd. 2 imaginary roots
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Maths

04/15/20

Can you solve this equation please? Cos 3x=1/3
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