Mark M.

05/16/20

The point N (4, –8) is on the terminal side of the angle . What is the value of sin ?

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05/15/20

One canned juice drink is 20% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 15L that is 9% orange juice?

One canned juice drink is 20% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 15L that is 9% orange juice?How many liters of the... more

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Precalculus

05/15/20

. Find the polar coordinates of the rectangular point (- 2sqrt(3), 2) Using 0 < theta < 2pi

Give good explanation please and show work

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Algebra 2

05/15/20

Solve the system by elimination.

Solve the system by elimination.4x^2+x−y=0 -x^2−5x+y−9=0

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Precalculus Trig

05/15/20

Angle of elevation ( draw a pic)

A stop sign is 10 feet tall, and is casting a shadow downhill on a road that has an angle of elevation of 16˚. If the angle of elevation of the sun is 48˚, how long is the stop sign’s shadow to the... more

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Calculus

05/15/20

how do I solve this?

determine the values of a such that f(x)=ax^2+4x if x≤-1 is continuous for all real numbers x. =2x-a if x>-1

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Geometry Trigonometry

05/15/20

A plane leaves the ground with an elevation angle of 6 degrees. The plane travels 10 miles horizontally. How high is the plane at the time? What is the distance of the plane’s path?

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Algebra 1 Algebra 2 Algebra

05/15/20

The maximum force F (in pounds) needed to tighten the lug nuts on a car tire varies inversely with the length of the wrench L.

The maximum force F (in pounds) needed to tighten the lug nuts on a car tire varies inversely with the length of the wrench L. For a wrench that is 8 inches, 150 pounds of force is required. How... more

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Trigonometry

05/15/20

Simplify tan^2xcotxcscx

Please show work, it would be helpful for me to understand.

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Algebra 1 Algebra 2 Calculus

05/15/20

An investment portfolio of stocks and bonds, with an initial investment of $30,000, gained $4355 over its life. If the stocks gained 25% and the bonds gained 8%, how much was invested in each?

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Trigonometry

05/15/20

In softball, the distance to each successive base is 45 feet, if the distance from the home base to the pitcher's mound is 32 feet, how far is the pitcher's mound to second base?

Use two different methods to find the answer.

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Calculus

05/14/20

how do I solve this?

given the function f(x)=x+1/x, find its inverse f^-1(x)

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Trigonometry

05/14/20

trigonomic expressions

How do you use the power reducing formulas to rewrite the expression sin^2 4x in terms of first power of cosine

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Geometry

05/14/20

Cylinder circumscribed about cube

A cylinder is circumscribed about a cube. If the edge of the cube is 3inch long, find the volume and total area of the cylinder.

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Trigonometry

05/14/20

A hiker travels at 3.9 miles per hour at a heading of S 21° E from a ranger station. After 3.5 hours, how far South and how far East Is the hiker from the ranger station?

Help me solve the world problem

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Algebra 2

05/14/20

540°; 5 rev/sec The coin will take sec to roll 540° and travels approximately mm.

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Algebra 2

05/14/20

360°; 2 rev/sec The coin will take sec to roll 360° and travels approximately mm.

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Algebra 2

05/14/20

180°; 1 rev/sec The coin will take sec to roll 180° and travels approximately mm.

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Algebra 1

05/14/20

how do i find the standard for given a vertex (9,-10) and a point (-3,-2)

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Elementary Math

05/14/20

There are four cups. Each cup holds 1 black ball and 1 white ball. You draw one ball from each cup . What is the probability of drawing at least one black ball?

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Math Geometry Mathematics

05/14/20

A circular park 600 feet in diameter has a drive 24 feet wide around it. Find the area of the drive.

In this in case, π = 3.1416 and round the answer to the nearest tenth.

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Math Geometry Help

05/13/20

Find the surface area and the volume of the rectangular prism below. If the dimensions are increased by a factor 3, what would the new surface area be? What would the new volume be?

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Math Geometry

05/13/20

Two cubes have volumes of 64 cubic feet and 4,096 cubic feet. What is the ratio of the surface area of the smaller cube to the surface area of the larger cube?

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Algebra 1

05/13/20

Find the value of two numbers if their sum is 15 and their difference is 1.

Find the value of two numbers if their sum is 15 and their difference is 1. We need to find out what x and y represents and the system of equations.

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Algebra 1

05/13/20

Find the number of students in each van and in each bus.

The senior classes at High School A and High School B planned separate trips to the indoor climbing gym. The senior class at High School A rented and filled 6 vans and 2 buses with 104 students.... more

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The point N (4, –8) is on the terminal side of the angle . What is the value of sin ?

One canned juice drink is 20% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 15L that is 9% orange juice?

. Find the polar coordinates of the rectangular point (- 2sqrt(3), 2) Using 0 < theta < 2pi