Raymond B.

Math

05/22/21

Applications of sets

A survey of 500 farmers showed that of the farmers, 121 grew only wheat, 114 grew only corn, 89 grew only oats, 187 grew wheat, 53 grew wheat and corn, 45 grew wheat and oats, and 177 grew... more

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Math

05/22/21

Mathematics Help

Given the following.U = {1,2,3,4,5,6,7,8,9,10,11}A = {3,4,6,7,11}B = {4,5,6,8}. Find (A U B)' U B.

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Algebra

05/22/21

Determine the intervals on which f(x) is positive and on which f(x) is negative

f(x)=x5+x4-3x3-3x2-9x-9f(x)>0 if......f(x)<0 if ......

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Math

05/22/21

Let f(x) = −x2 + 6x. Find the difference quotient for f(4+h) - F(4)/h. (Simplify your answer completely.)

Let f(x) = −x2 + 6x.

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Math

05/22/21

Determine the principal P that must be invested at rate r = 3 1 2 %, compounded monthly, so that $700,000 will be available for retirement in t = 15 years. (Round your answer to the nearest cent.)

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Math

05/22/21

Find the missing values assuming continuously compounded interest. (Round your answers to two decimal places.)

Initial Investment = ?Annual % Rate = 8.8%Time to Double = ? yrAmount After 10 Years = $15,000

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Math Quadratic Equation Parabola

05/22/21

parabola question help

y = -0.33x^2 + 0.84x + 6substitute x = 3 into the equation of the parabola, find the coordinates of the point where the line x= 3 meets the parabola?

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Mathematics

05/22/21

Maths GCSE AQA HIGHER

f(x)=2x/5 - 1Work out the value of f –1(3) + f(–0.5)

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Math

05/22/21

Dan wants to rent a boat and spend less than $46. The boat costs $6 per hour, and Dan has a discount coupon for $8 off. What are the possible numbers of hours Dan could rent the boat?

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Math

05/22/21

What is the answer? (Question in description).

Chris bought 4 shirts for $24.78 each, 3 pair of pants for $30.99 each, and a belt for $15.84. He paid with 3 $100 bills. How much change did he receive??

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Math

05/22/21

3 pounds 11 ounces + 7 pounds 6 ounces = 10 pounds 17 ounces = 11 pounds 1 ounce

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Math

05/21/21

Which of the following sets of numbers could represent side lengths of a right triangle?

6m,8m,9m6m,8m,10m6m,6m,11m6m,10m,16m

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Math Calculus Precalculus

05/21/21

Math Homework help

I need help with the problems below Consider the sequence a={6,18,54,162,486,…} What is the first term of the sequence? 6 What is the common ratio? What is the closed form for the nth term of... more

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Algebra 2

05/21/21

Write the equation of the parallel line that passes through the point (-2,11) and graph it

point (-2,11) and graph it

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Math

05/21/21

Who moves faster, the bird or the person? Justify your reasoning.

A certain species of bird migrates 14,000 miles in 90 days. It rests 8 hours each day and flies the rest. A person "race walking" can walk 20 kilometers in 100 minutes. Who moves faster, the bird... more

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Algebra

05/21/21

In order for option A to produce a larger income, you would need sell at least $ of jewelry each year

When hired at a new job selling jewelry, you are given two pay options:Option A: Base salary of $17,000 a year, with a commission of 9% of your salesOption B: Base salary of $22,000 a year, with a... more

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Math

05/21/21

If 18 is 75%, what is 100%?

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Math

05/21/21

A certain forest covers an area of 3300 km². Suppose that each year this area decreases by 9%. What will the area be after 13 years? Round your answer to the nearest square kilometer.

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Math

05/21/21

Help me with these 2 questions. Please help me fast!

1. Ames Middle School plans to collect at least 1,500 cans of food in a food drive. On the first day, 375 cans were collected, and there are 5 days left of the food drive. Write an inequality... more

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Algebra

05/21/21

Light house problem

A lighthouse's beacon is 52 meters above sea level. Lucy can see the beacon from her ship, and the angle of elevation is 18 degrees How far is the ship from the shoreline to the nearest meter? Draw... more

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Math Mathematics

05/21/21

What is the % increase?

I have a 6.25" square. If I increase the square to 6.5" what is the % I've increased the size of the square?

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Math Sat Math Algebra

05/21/21

A straight line passes through the points (5/2, 2) and (-3/2, 1)

A straight line passes through the points (5/2, 2) and (-3/2, 1)what is the equation of the line and the x intercept?

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Answers •3

Math

05/21/21

(5x10) +10/2= Not sure about the meaning of the / in this question

What would be the answer to this question i am trying to make sure I got it right! Thank You

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Precalculus

05/21/21

Write answers as decimal numbers rounded to the nearest hundredth (when necessary). If the equation describes a circle, state that and find the diameter and eccentricity.

For each of the following ellipses, determine:a) the direction of the major axisb) the length of the major axisc) the length of the minor axisd) the eccentricity of the ellipse (x+2)²/36 +... more

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Precalculus

05/21/21

Write answers as decimal numbers rounded to the nearest hundredth (when necessary). If the equation describes a circle, state that and find the diameter and eccentricity.

For each of the following ellipses, determine:a) the direction of the major axisb) the length of the major axisc) the length of the minor axisd) the eccentricity of the ellipse (x-3)²/25 + (y-2)²/9... more

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Answers •2

Applications of sets

Mathematics Help

Determine the intervals on which f(x) is positive and on which f(x) is negative

Let f(x) = −x2 + 6x. Find the difference quotient for f(4+h) - F(4)/h. (Simplify your answer completely.)

Determine the principal P that must be invested at rate r = 3 1 2 %, compounded monthly, so that $700,000 will be available for retirement in t = 15 years. (Round your answer to the nearest cent.)

Find the missing values assuming continuously compounded interest. (Round your answers to two decimal places.)

parabola question help

Maths GCSE AQA HIGHER

Dan wants to rent a boat and spend less than $46. The boat costs $6 per hour, and Dan has a discount coupon for $8 off. What are the possible numbers of hours Dan could rent the boat?

What is the answer? (Question in description).

3 pounds 11 ounces + 7 pounds 6 ounces = 10 pounds 17 ounces = 11 pounds 1 ounce

Which of the following sets of numbers could represent side lengths of a right triangle?

Math Homework help

Write the equation of the parallel line that passes through the point (-2,11) and graph it

Who moves faster, the bird or the person? Justify your reasoning.

In order for option A to produce a larger income, you would need sell at least $ of jewelry each year

If 18 is 75%, what is 100%?

A certain forest covers an area of 3300 km². Suppose that each year this area decreases by 9%. What will the area be after 13 years? Round your answer to the nearest square kilometer.

Help me with these 2 questions. Please help me fast!

Light house problem

What is the % increase?

A straight line passes through the points (5/2, 2) and (-3/2, 1)

(5x10) +10/2= Not sure about the meaning of the / in this question

Write answers as decimal numbers rounded to the nearest hundredth (when necessary). If the equation describes a circle, state that and find the diameter and eccentricity.