Mark M.

04/06/21

Congruent triangles

A kite is a quadrilateral which has 2 sides next to each other that are congruent and where the other 2 sides are also congruent. Given kite WXYZ, show that at least one of the diagonals of a kite... more

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Math Algebra 1 High School

04/06/21

Proof saves nine

Elena wants to prove that a quadrilateral with 4 right angles must have congruent opposite sides. Explain to Elena how she can use the fact that all rectangles are parallelograms in her proof.

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Calculus

04/06/21

Really need help with this one

A plane flying at an altitude of 17,000 feet begins descending at a constant rate when the beginning of the runway is 60,000 feet from a point on the ground directly below the plane. Find the... more

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Elementary Math

04/06/21

we stopped for ice cream on the way home and paid $19.44 including 8% tax. What is the cost of just the ice cream?

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Calculus

04/05/21

Determine an equation for the tangent line to h(t) = 1/t when t = 1/2

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Trigonometry

04/05/21

Area of Triangle Using Law Of SInes

A triangle has side lengths of 32 and 13 and an included angle measuring 107 degrees. Find the area of the triangle. Round your final answer to 4 decimal places.

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Math Trigonometry

04/05/21

Law of Sines Obtuse Triangle

Using the Law of Sines to find a triangle with one obtuse angle if ∠A=50∘,a=28,b=29.∠B is degrees∠C is degreesc=

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Algebra 1 Quadratic Equation

04/05/21

y=1/2(x+1)(x-3)

Can you write this in vertex form

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Algebra 2

04/05/21

Given a normally distributed data set of 500 observations measuring the tree heights in a forest what is the approximate number of observations that fall within two standard deviation‘s from the mean

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Algebra 2

04/05/21

Find the probability of falling between z= -1.32 and z= 2.43

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Geometry

04/05/21

IXL I need help fast

If PR=12 and QR= 5 what is RS?Write your answer as a whole number or as a decimal rounded to the nearest hundredth.RS=?

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Precalculus

04/05/21

A manufacturer wants to design a box having a square base and a surface area of 164 square inches. A) Express the volume V of the box as a function of the base width w

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Geometry

04/05/21

Given:⊙O with diameter RT Prove:∠RST is a right angle. In ⊙O with diameter RT, mRVT = Therefore, m∠RST = · mRVT = °.

Write a paragraph proof.An angle inscribed in a semicircle is a right angle.Given:⊙O with diameter RTProve:∠RST is a right angle.In ⊙O with diameter RT, mRVT = Therefore, m∠RST = · mRVT = °.

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Calculus

04/04/21

Solve each equation for x. (For each answer, enter an exact number. Enter your answers as comma-separated lists.)

Solve each equation for x. (For each answer, enter an exact number. Enter your answers as comma-separated lists.)(a). 2x − 3 = 7 x =(b). ln(x) + ln(x − 1) = 1 x =

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Algebra 2 Algebra

04/04/21

The alphabet is A = 1, B = 2, C = 3, ... If the encoding function is y=3x + 4 and the code numbers are 43, 7, 25, and 19

In cryptography, inverse functions are used by government agencies and other businesses to encode and decode information what is the encoded word? (Find the y values of the inverse.)

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Calculus Algebra Mathematics

04/04/21

Explain why x^2 + a^2 times square root of x^2 + a^2 = (x^2+a^2)^3/2

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Trigonometry

04/04/21

Help with question below

Find the sum in degrees such that tan (2x - 330 degrees) = Sqrt 3

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Trigonometry

04/03/21

Find all solutions to the equation. sin2x + sin x = 0

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Calculus

04/02/21

Diego deposited a certain sum of money in a bank 4 years ago.

Diego deposited a certain sum of money in a bank 4 years ago. If the bank had been paying interest at the rate of 6% compounded continuously and he has $14,000 on deposit today, what was his... more

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Calculus

04/02/21