Edward C.

Algebra 1

03/12/15

In the function y = 0.25x + 3.5, y represents the cost of a gallon of milk after a certain number of years, x. How much does the cost of milk increase every yea

This is an Algebra 1 question please help.

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Digits

03/12/15

if I write 284 on 284 pages, how many# did I write?

If a boy writes the numbers284 on every page of a tablet that has 284 pages, how many digits Did he write? To solve this question do you multiply 3 x 284 ? Is this a multiplication problem?

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Math Math Help Math Equations

03/12/15

Wind and Water Current Problem

A powerboat has a four-hour supply of gasoline. How far can this boat travel from the marina if the rate out against the current is 40km/h and the rate back in with the current is 60km/h?

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Math Equations

03/12/15

how to calculate present value and compound interest

$150,000 compound amount, 22 years term of investment, 15% nominal rate, interest compounded annually.

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Answers •1

Expressions

03/12/15

Benito has x apples. He cuts each apple in half and gives each half to a different horse. Which expression represents the number of horses Benito feeds?

Choices: a. x • 1/2 b. x ÷ 1/2 c. x • (1)1/2 d. x ÷ (1)1/2

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Algebra 1

03/12/15

y = -4 What is the slope? What is the y-intercept?

i need help please

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Answers •3

Math Word Problem

03/12/15

calculate the cost of a conference call lasting from 7pm to 8:30pm

Jane's mobile phone plan charges $0.05 per minute at daytime rates before 8pm and $0.03 per minutes at nighttime rates after 8pm. A conference call cost 1.5 times the normal rate.

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Algebra Variables

03/12/15

Charles owes Betty more than $39. If c is the amount of money that Charles owes Betty, which option best represents this situation?

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Other

03/12/15

reduction in greenhouse gas emissions per month if 9 million U.S households substituted chicken, fish, or eggs for red meat and dairy products one day a week

For every 1 million U.S. households that substitute chicken, fish or eggs one day a week, greenhouse gas emissions may decrease by 2.8 million tons per year.

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Finite Mathematics

03/12/15

an unfair coin with P(H)=.25 is flipped 100 times. A random variable X= number of heads that occur Find the expected value and standard deviation

please show as many steps as possible thank you

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Word Problem

03/11/15

3 consecutive negative integers such that 3 times the product of the first and the third exceeds twice the product of the first and 2nd by 32

Word problem

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Answers •2

Math Help

03/11/15

B. A line with a y-intercept of – 2 and an x-intercept of 3; in standard form

need to find a line with a y-intercept of -2 and an x-intercept of 3; in standard form

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Statistics

03/11/15

Given Z ~ N(0,1)?

Please help me fill in these blanks!!! Not sure how to do this stuff. Z has a ____________ Distribution µ=______ s2_________ s=__________P(Z < 0) = ______

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Other

03/11/15

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 200. What is their maximum error of the estimated population... more

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Simplifying Expressions

03/11/15

Simplify problem

Simplify. (4x^2−5)(3x^2+7) Enter the expression in simplest form.

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Answers •1

Algebra Equation

03/11/15

Which line is perpendicular to the line y = 1/2x + 2 ?

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Answers •2

Math Math Help Math Word Problem

03/11/15

A board is 5 feet 3 inches long. It will be cut into thirds. How many inches will each piece be?

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Answers •1

Interval Notation

03/11/15

What is the inequality?

14x-6+7x>4+10x-10

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Word Problem Investment

03/11/15

What is the graph of the function and the future value?

use the formula S=P(1+r)t a) graph the function that gives the future value of $56,000 invested at 9% compounded annually for t years. b) find the future value of $56,000 invested for 13 years at... more

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Math Word Problem

03/11/15

math help please.

The # of instructions N performed per sec by a computer varies direct on the speed S of the computer inter processor a processor with a speed of 20MHZ can perform 1,800,000 insuctions per... more

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Statistics Question

03/10/15

Which of the following is the correct way, in classical hypothesis-testing, to understand a p-level of 0.01?

a) The probability that the null hypothesis is true is 0.01 b) The probability that the sample statistic shows the true relationship or parameter is 0.01. c) If the null hypothesis were true, the... more

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Proportions

03/10/15

Is this a proportional relationship?

Lets say Ralph opened a savings account with a deposit of $100. Every month after that, he deposited $20 more. Is this proportional?

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Answers •1

Math Equations

03/10/15

markups with just a selling price

As the manager of Dollar Depot, calculate the amount of the markup and the percent markup on selling price per case if these Softies products cost your store $5.60 per case of 12 boxes

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Math

03/10/15

In the number 4.564 what is the difference in value between the 5 and 6 as a decimal fraction

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Answers •1

Word Problem

03/10/15

$8,000 placed in account with an annual int. rate of 4.5%, how long will it take to quadruple if the int. is compounded annually?

Follows • 2

Answers •1

In the function y = 0.25x + 3.5, y represents the cost of a gallon of milk after a certain number of years, x. How much does the cost of milk increase every yea

if I write 284 on 284 pages, how many# did I write?

Wind and Water Current Problem

how to calculate present value and compound interest

Benito has x apples. He cuts each apple in half and gives each half to a different horse. Which expression represents the number of horses Benito feeds?

y = -4 What is the slope? What is the y-intercept?

calculate the cost of a conference call lasting from 7pm to 8:30pm

Charles owes Betty more than $39. If c is the amount of money that Charles owes Betty, which option best represents this situation?

reduction in greenhouse gas emissions per month if 9 million U.S households substituted chicken, fish, or eggs for red meat and dairy products one day a week

an unfair coin with P(H)=.25 is flipped 100 times. A random variable X= number of heads that occur Find the expected value and standard deviation

3 consecutive negative integers such that 3 times the product of the first and the third exceeds twice the product of the first and 2nd by 32

B. A line with a y-intercept of – 2 and an x-intercept of 3; in standard form

Given Z ~ N(0,1)?

Statistics based question

Simplify problem

Which line is perpendicular to the line y = 1/2x + 2 ?

A board is 5 feet 3 inches long. It will be cut into thirds. How many inches will each piece be?

What is the inequality?

What is the graph of the function and the future value?

math help please.

Which of the following is the correct way, in classical hypothesis-testing, to understand a p-level of 0.01?

Is this a proportional relationship?

markups with just a selling price

In the number 4.564 what is the difference in value between the 5 and 6 as a decimal fraction

$8,000 placed in account with an annual int. rate of 4.5%, how long will it take to quadruple if the int. is compounded annually?

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