Raymond B.

04/25/24

Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places.

Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a... more

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Trigonometry

04/25/24

Find the exact value of the expression whenever it is defined. (If an answer is undefined, enter UNDEFINED.)

Find the exact value of the expression whenever it is defined. (If an answer is undefined, enter UNDEFINED.)a) sin(arcsin 1/2 + arccos 0)b) tan(arctan 5/3 + arccos 8/17)

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Trigonometry

04/25/24

Write the expression as an algebraic expression in x for x > 0.

Write the expression as an algebraic expression in x for x > 0.tan(2 cos−1 3/x)

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Calculus

04/24/24

differentiate ln(x+6)

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Math Trigonometry

04/24/24

Simplify [(sin(4a))/(1+cos(4a))] * [(cos(2a))/(1+cos(2a))]

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Geometry

04/24/24

Right Triangle Trigonometry" If sin 20 =  a  and cos 20 =  b  then what would be the correct value of sin 70 in terms of a and/or b?

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Math Trigonometry

04/24/24

Find the domain of the function. f(x) = 1/4 * tan(4x)

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Math Trigonometry

04/24/24

Evaluate tan(arccos(-1/4))

My teacher taught us how to solve equations like y = cos(x) but not expressions

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Math

04/24/24

Find the area of a secter of a circle angle x is 150° and radius of circle is 9 cm

Find the area of sector also

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Math

04/24/24

The painting shown at the right has an area of 220 inches squared. What is the value of x?

i cant get it

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Math

04/23/24

Writing an equation of the form Ax + B = C to solve a word problem

Yolanda sold t-shirts at a festival and made a profit of $71. She made $4 for each t-shirt she sold. Her total expenses were $25. How many t-shirts did she sell?

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Math

04/23/24

The circumference of a circle is 69.08 what is the circles area ? Use 3.14 and round to your nearest hundredth

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Math

04/23/24

You spin the spinner once. 3456 What is P(even)? Write your answer as a percentage. %

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Math

04/23/24

what two numbers can you multiply to get -66 but add to get -7

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Math

04/23/24

On a road map 1 inch represent 11.5 if 2 cities are 2.5 inches apart on the map how far apart are they

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Math

04/23/24

Find the time required for an investment of 3,000 dollars to grow to 8,000 dollars at an interest rate of 7% per year, compounded monthly. Give your answer accurate to 2 decimal places.

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Math

04/23/24

Find the time required for an investment of 5,000 dollars to grow to 10,000 dollars at an interest rate of 4% per year, compounded monthly. Give your answer accurate to 2 decimal places.

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Math

04/23/24

Solving equations

-5(x-1) less than -40

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Statistics

04/22/24

Assuming the population has a bell-shaped distribution

Assuming the population has a bell-shaped distribution, if a sample size n=9 has a sample mean x¯=45 with a sample standard deviation s=10, find the margin of error (MOE) at a 90% confidence... more

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Statistics

04/22/24

The effectiveness of a blood-pressure drug is being investigated.

The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 31.2 for a sample of size 491 and standard... more

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Statistics

04/22/24

Estimate the population mean by finding a 95% confidence interval given a sample of size 15, with a mean of 47.8 and a standard deviation of 11.2.

Estimate the population mean by finding a 95% confidence interval given a sample of size 15, with a mean of 47.8 and a standard deviation of 11.2. Confidence Interval: What is the 95% confidence... more

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Statistics

04/22/24

For a confidence level of 99% with a sample size of 22, find the critical t value for a confidence interval for one mean. Round to the nearest thousandth.

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Math

04/22/24

A scale model of a car is 10 in. long. The actual car is 15 ft long. What is the scale of the model?

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Math

04/22/24

Log help please

Given that loga(3)≈0.5and loga(5)≈0.73l, evaluate each of the following. Hint: use the properties of logarithms to rewrite the given logarithm in terms of the the logarithms of 3 and... more

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Religion

04/22/24

what's one thing you want more clarity about your faith in god

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