Dena

This page lists questions and answers that were posted by visitors named Dena.

Questions

The following questions were asked by visitors named Dena.

If you were to learn about a new religion, what are the ten questions you would ask a person from that religion? Thank you for using the Jiskha Homework Help Forum. Without knowing what that new religion is, assuming it is already an established one, it i...

how do you convert 12.55 to percent? i get 1,255% is that correct? or should it be 125.5%? If the 12.55 is a decimal, then .1255 is the percent. Per Cent means "per 100". the math problem asked me to find the percent increase of the population in africa f...

Hello, can someone help me by discussing the importance of an administrator’s vision in turning the challenge into an opportunity?

I've tried this problem over and over again, but im not getting the right answers! This is the problem....... Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent. N2O5 ¨ 2 NO2 + 1/2 O2(g) If the rate constant for the decomp...

I don't know the correct answer that's what i have to find. for the first part here is my work..... 6.2e-4/min=0.0372seconds half life: t_1/2=0.693/0.372s =18.6sec*1min/60sec=0.310min (which is not right!)

Write a equation for the following situation: In one U.S. town, the annual consumption, b, of beef (in kg per person) can be estimated by adding 20 to half the years, t, since 1975.

Simplify, 12 divided by 1/4+2/5-2^3

There are 3 spider webs. The 1st web is twice as large as the second web. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot 6 in. How long is each web?

Leo has 8 more markers than colored pencils. He has a total of 32 markers and colored pencils. How many of each kind does he have?

In a quiz program, 3 questions on sprots, 3 questions on general knowledge, and 4 questions on science are printed separately on 10 cards and placed upside down. John is asked to select 2 cards at random. What is the probability of Joohn selecting 2 quest...

The circular path of cars on a ferris wheel can be modeled with the equation x^2-14x+y^2-150y=-49, measured in feet. What is the maximum height above ground of the riders.

You are a contestant on a game show and have the chance to win a car by rolling 5 dice. Each die has three sides that say CAR and three sides that are blank. In order for you to win the car you CAR on all five dice. You have three chanat ces to roll the d...

How would a chemist make up 100g of 10% aqueous solution of HCl (using 12M HCl)

Make up a 500mL solution of 4.8M solution HCl (HCl gmw= 36.5g)

the width of a garden is 4 times it width the wall of her house forms one width of the triangle he uses 45 feet of fencing for the other 3 sides of his garden what are the length and width of his garden. what is the answer

What is the prepositional phrase in this question.? Boulder Dam was the original name of Hoover Dam?

Venus is 0.72 AU from the Sun and Neptune is 30.06 AU from the Sun. Both have similar orbital eccentricities, 0.7 and 1.0 respectively. Predict how long it will take Venus to make one revolution around the sun compared to Neptune. Also predict the orbital...

Carousel Toys has rompers, wooden rocking horses for toddlers, on a 30% markdown sale for $72.09. What was the original price before markdown? Round to nearest cent

A radio cost a company $45 to manufacture. If it sells for $97.65, what is the percent markup based on cost.

325 x .0145= 325 x .062=

Kristy has bi-weekly gross earnings of $1,750. What were her total social security and Medicare tax with holdings for a whole year?

(1.45) 325 x .0145 =

What is the maturity value of a loan for $39,995 at 2.49% for 60 months? Please show work

What is 995.8755 rounded to the nearest whole dollar

What is the rate if the interest is $1,200, the time is 3 years and the principle is $5,000?

Brian invests $4,000 at 12% interest compounded quarterly for 12 years.

what is the answer to 1.46933 x 500,000=

The current population in the United States is 318,968,000. The rate is .72. What will the population be in the United States in 10 years? Show work please.

On the map of the Mauna Loa volcano in Hawaii (distributed in class), determine the distance in miles and in kilometers from the “Patrol Cabin” (at the summit of Mauna Loa) to the “Rest House” (northeast of the summit or Mauna Loa). The scale of the map i...

On a map with a scale of 1:50,000, a measured distance of 7.5 cm. represents an actual distance of: ______ km. is the correct answer 375 km or 7.5cm = 0.00007500km given the map scale of 1:50,000

On a map with a scale of 1:24,000, a measured distance of 1 in. represents an actual distance of ______ ft. is the correct answer 1000 ft

Why would a scale map look like 1:24000 (10') I don't know what that 10 means

Eric Jones develops computer software for a major company. Eric's salary and bonuses total $82,000, but he pays $29,233 in income and social security taxes. If Eric's annual debt repayments are $33,620, what is his debt service-to-income ratio?

With the combustion of methane, CH4, If 150 Liters of carbon dioxide are produced, how many grams of methane required?

A bakery offers a sale price of $3.50 for 4 muffins. What is the price per dozen?

In what present-day countries can the sites of Egypt and Mesopotamia be found?

Answers

The following answers were posted by visitors named Dena.

2cos^2x+sinx-1=0 replace cos^2x by 1-sin^2x 2(1-sin^2x) + sinx -1 = 0 2-2sin^2x +sinx -1 = 0 -2sin^2x+sinx+1=0 2sin^2x - sinx - 1=0 (2sinx + 1)(sinx -1)=0 we will get sinx = -1/2 and 1

I don't know the correct answer that's what i have to find. for the first part here is my work..... 6.2e-4/min=0.0372seconds half life: t_1/2=0.693/0.372s =18.6sec*1min/60sec=0.310min (which is not right!)

I am a student of Axia and a proud member of the I don't know how to answer the Question but thanks to this web sit and all of the early student's writings.I can get my assigment done.Thanks

Buy 2 Get one free Bright white inkjet paper $8.99 Calculate the markdown percent. Round to the nearest cent. Answer If the offer changed to Buy 3 Get 2 free, what would be the new markdown percent? Round to nearest tenth

What will be the total deduction for social security and medicare taxes on Juanita's next weekly paycheck of $720 if she has already earned $10,800 this year? Social Security tax is 6.2% of wages up to $106,800. Medicare tax is 1.45% of all wages.

the two places are 2.5 miles apart. I am having difficulty setting the problem up I believe its 8 miles

2.5 x 250,000 = 625.000 5280 ft in a mile 63,360 inches in a mile 625,000/ 63,360 =9.86 miles and 15.86 kilometers

Thank you Damon

im sorry I meant 2000 ft

So would that be a fraction of the map of ft depth per square inch

if it is 10am in laramie Wyoming ( based on 105 degrees west) what time is it in seoul, south Korea( 135 degrees east)

Okay using Cassidy s example how would I solve the following questions. I just need to understand the concept using her problem. Your parents heard about the success of your business and they want to help you out. Suppose they want to give you an addition...

Nvm, I got it it's 10.5