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MATH SOLVE
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A chemist weighed out 101. g of potassium. Calculate the number of moles of potassium she weighed out.Round your answer to 3 significant digits.
General
6 months ago
WILL GIVE MEDAL AND FAN! your anniversary is usually when you are given _____ by a companyA. an awardB. a job review and possible increase in payC. an evaluationD. a promotion
General
6 months ago
Find constants a and b such that the function y = a sin(x) + b cos(x) satisfies the differential equation y'' + y' − 7y = sin(x).
General
6 months ago
PLEASE ANSWER ASAP1. The length of a bookshelf is 5 ft. The length of a model of this bookshelf is 3 ft. Find the scale factor of the model to the bookshelf. Enter your answer in the box.2. A rectangular garden has a length of 8 ft and a width of 4 ft. A smaller garden was made, using a scale factor of 34 . Find the dimensions of the smaller garden. Enter your answers in the boxes.
General
6 months ago
You work two jobs. You earn $11.90 per hour as a salesperson and $10.50 per hour stocking shelves. Your combined earnings this month are $178.50. Let x represent the number of hours worked stocking shelves and let y represent the number of hours worked in sales. Graph the equation that models this situation
General
6 months ago
If 1 Chinese yuan equals 0.1558 U.S. dollars, then 1 U.S. dollar equals approximately how many Chinese yuan? A. 0.4185 B. 0.1558 C. 6.1558 D. 6.4185
General
6 months ago
What is the area of sector GPH? the angle inside the circle measures 80º and the radius from p to h is 15
General
6 months ago
If the public debt of the United States in 2002 was $6,228,235,965,597.16 and the budget deficit in 2003 was $554,995,097,146.46, what was the public debt in 2003? A. $11,778,186,937,061.76 B. $5,673,240,868,450.70 C. $5,549,950,971,464.60 D. $6,783,231,062,743.62
General
6 months ago
The population of a city in 2005 was 18000. By 2010, the city’s population had grown to 45,000. Economists have determined that the growth is exponential. If they are correct, what is the projected population for 2015?
General
6 months ago
From 1980 to 1990, the consumer price index (CPI) increased from 82.4 to 130.7. If a gallon of apple juice cost $0.95 in 1980 and the price of apple juice increased at the same rate as the CPI from 1980 to 1990, approximately how much did a gallon of apple juice cost in 1990? A. $0.56 B. $0.82 C. $1.51 D. $1.31
General
6 months ago
Help will medal!!!!Kevin plans to put concrete on a rectangular portion of his driveway. The portion is 10 feet long and three inches high. The price of concrete is $98 per cubic yard. The total cost of the concrete Kevin needs is $72.59. Which of the following is closest to the width of the portion of the driveway on which Kevin plans to put concrete?[1 foot = 12 inches; 1 yard = 3 feet] 3 feet 6 feet 8 feet 10 feet
General
6 months ago
You are an accountant doing an audit for a law firm. A paralegal worked for a client for 5 hours per day for 3 days. The client was billed $50 per hour, and the paralegal was paid $30 per hour. After the paralegal’s wages were paid, what was the amount made by the law firm?
General
6 months ago
Choose the BEST answer.1. What is a Web page? (1 point)A single page of a Web site that consists of an HTML documentThe entry page of the Web siteWeb page that is located in the same group of Web pages or Web Site as thdocument2. What is a home page? (1 point)A single page of a Web site that consists of an HTML documentThe entry page of the Web siteWeb page that is located in the same group of Web pages or Web Site as thdocument3. What is the object of storyboarding? (1 point)To help you visualize your Web site before writing any pages in HTML. To help prevent duplicati
General
6 months ago
help please.1. Oatmeal costs $1.73/lb. How much would 2.6 lb of oatmeal cost? (Points : 1) $1.50 $4.48 $4.50 $4.58Question 2. 2. What percent of $520 is $494? (Points : 1) 5% 11% 26% 95%
General
6 months ago
1. Your total restaurant bill is _____. (1 point)Captionless Image* the items purchased minus sales tax, and plus tip. the items purchased plus sales tax and tip. the items purchased minus sales tax, and plus tip. 2. A check is _____. (1 point)Captionless Image* required to be paid by your bank when presented a promissory note (I.O.U.) not able to be forged 3. There are several different ways to pay for items. In most modern economies, which is not a way to pay? (1 point)Captionless Image* credit cards bartering cash
General
6 months ago
please help 1. another term for adding money to an account is A) additionalB) submissionC) contributeD) payment2. which situation allows you to have the most saved A) having a set amount set aside for savings each time you are paidB) having a set minimum or percentage for saving whichever is greaterC) having a percentage set aside for savingsD) having a percentage set aside for savings when your pay is higher and hours are more
General
6 months ago
Evaluate the expression Arcsec(sqrt 2). Do not use your calculator to answer this question. Do not express answer in decimals.
General
6 months ago
Solve the triangle.A = 48, a = 32, b = 27I am completely blanking on how to do this, so if you could please do a step by step process, that would be greatly appreciated :)
General
6 months ago
Tim Worker estimates his taxable income will be $7,000. He is paid twice a month or 24 times a year. Because Tim has only one source of income, he uses the Tax Tables to estimate how much will be deducted from his pay for withholding.
General
6 months ago
In a 30-60-90 triangle, what is the length of the hypotenuse when the shorter leg is 7 in? Enter your answer in the box.
General
6 months ago
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