6,938 Answered Questions for the topic mathematics

Mathematics Math Calculus Curve

07/25/21

calc 2 parametrization for a curve
Find a parametrization for the curve described below.the line segment with endpoints (-2,-4) and (-7,1)
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Mathematics Math Calculus Algebra

07/24/21

Evaluate [i18+(1i)25]^2
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Mathematics Math Trigonometry

07/24/21

Find angle BAC of the triangle ABC with sides AC=22 , AB=20 and BC=17

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Mathematics Math Calculus Geometry

07/24/21

Let α and β be two acute angles of a right triangle in a unit circle. (Thus α and β are complementary angles.)
 Under what conditions will sin⁡(α)=cos⁡(α)
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Mathematics

07/24/21

math question based on related rates
A ladder 26 ft long rests on the (horizontal) ground and leans against a (vertical) wall. The base of the ladder is pulled away from the wall at a rate of 4 ft/sec. How fast is the top of the... more
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Mathematics Math Geometry Precalculus

07/24/21

Let α and β be two acute angles of a right triangle in a unit circle. (Thus α and β are complementary angles.)
a. Show that sin⁡(α)=cos⁡(β) and sin⁡(β)=cos⁡(α)b. Under what conditions will sin⁡(α)=cos⁡(α)
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Mathematics Math Calculus Precalculus

07/24/21

PLSSS HELPPP. The following equation is often referred to Euler's formula. e^πi+1=0
a. Identify three important mathematical constants in the formula. Explain why each constant is important.b. Use what you know about complex numbers to show that this equation is true. In other... more
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07/23/21

Excel: I need to take given data and sort between f, d, or Both. Then I need to separate the data once determined by f or d pounds
So, imagine there is an excel sheet with a column full of f or d values, another with random minute values, and 5 different zone columns with a number in only one of these per row(These 5 columns... more
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Mathematics Math Precalculus Algebra

07/23/21

Cassandra attempts to do the yo-yo trick 'Around the World
She throws the yo-yo so that it sweeps out a vertical circle whose radius is the length of the yo-yo string. If the yo-yo string is 27 inches long and the distance the yo-yo travels in an arc is... more
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Mathematics

07/21/21

If you have a pole that is 21 and 1/8 inches long, 1/8 is lost in the cut and one piece is twice as long as the other, how long is it

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Mathematics Math Geometry

07/21/21

Can someone please help me with this Geometry problem?
Find the area of △ABC with vertices at A (2,-3), B (0,1), and C (0,-2).For this I got 3, am I correct?
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Mathematics Math

07/21/21

The sum of two integers is 17. Two times the greater is equal to 10 times one more than the lesser. Find the two numbers.
 The sum of two integers is 17. Two times the greater is equal to 10 times one more than the lesser. Find the two numbers.
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Mathematics Math Sat Math

07/21/21

Need help on last question PLEASE.
Nine increased by the product of a number and 4 is greater than or equal to −15Use the variable y for the unknown number..
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Mathematics Math Maths

07/19/21

HELP MATH PROBLEM
This year, a small business had a total revenue of $42,900 . If this is 35% less than their total revenue the previous year, what was their total revenue the previous year?
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Mathematics Math Sat Math Maths

07/19/21

Today only, a desk is being sold at a 33% discount. The sale price is $268. What was the price yesterday?
Today only, a desk is being sold at a 33% discount. The sale price is $268. What was the price yesterday?
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07/19/21

Geometry mathematics
What is the largest length and breadth of a rectangle that can be kept inside a circle of diameter 80 with steps for calculation
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Mathematics

07/18/21

The length of a rectangle is 3 times the width, and the rectangle has a perimeter of 170 yards. what is its length?
im stupid please help. textbooks dont explain anything
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Mathematics Math Calculus Precalculus

07/18/21

step by step solution of the given.
1.) Suppose that g(x,y,z)=x3y2z-1. Determine its Hessian H(g) at the point (1,1,1).
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Mathematics Math

07/16/21

I need help on this question please: x(x+3)(x+3)=0
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07/16/21

Differential equation
1) Consider x ≠ 0. Solve the differential equation(y6 − 4x6)dx + 3x4y2dy = 0.Determine the particular solution that passes through the point (1, 2).
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Mathematics Math Geometry Trigonometry

07/16/21

Please help me on this Trigonometry Right Triangle question.

Question:Two walls of a canyon form the walls of a steady flowing river. From a point on the shorter wall, the angle of elevation to the top of the opposing wall is 20° and the angle of depression... more
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Mathematics Math Algebra 1 Logic

07/16/21

Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )
Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )(a) Show that it is an order relation. (b) Show that it is total if, and only if, E = {a}I... more
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Mathematics Math

07/16/21

Finding the total amount given the percentage of a partial amount
In a recent year, 29.7% of all registered doctors were female. If there were 45,300 female registered doctors that year, what was the total number of registered doctors?Round your answer to the... more
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Mathematics Math

07/16/21

Translating a sentence into a multi-step inequality
The sum of a number times 2 and 16 is greater than 22.
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07/16/21

Exponential & Log Functions
If⁡ log2𝑛 (1944)= log𝑛 (486√2), find the values of 𝒏𝟑
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