Construct a 90% confidence interval of the mean drive-through service times at dinner for Restaurant X. | sec

Q: Sarah got 95% on her term work in chemistry and 85% on her final exam. What will her final grade be…

A: Sarah got marks on her term work in chemistry = 95% Sarah got marks on her final exam work in…

Q: by the ea vation 2xy +X=Y". XP |3D

A:

Q: A used car bought in 2019 was worth $8,000. Each year its value depreciates by 4.5%. What is the…

A:

Q: scarf worth $24.99 +  shirt for $35.50 + jeans for $67.85 with a 35% percent off every item.

A: The prices of scarf, shirt and jeans are $24.99, $35.30 and $67.85 respectively. It is given 35% off…

Q: How do u turn 45% into a number

A:

Q: A bank account increases the amount of money in the account by 4% each year. Initally, $1,500 is…

A: Recall: Formula for Future value     FV=PV1+rn We have, PV=$ 1,500, r=4%=0.04, n=5 years

Q: One digit is 61.5% of another digit. The sum is 56651.56.  what are the digits?

A:

Q: A lambo sells for $48,000 if the price deprecates at 18% rate per year , how old will it be before…

A:

Q: Alex takes an auto loan of amount $25,000. He has to repay X at the end of each month for the first…

A: Solution:

Q: If the original price of a necklace is 79.95 and the price gets decreased by 60% whats the new…

A: We have given that,original price of the necklace = $79.95decrease percentage = 60%We have to find…

Q: Does x=7? 2x+13=40

A: No

Q: The price of a​ four-star meal, only 150​$ per couple decades​ ago, has since increased 400​%. The…

A:

Q: X-3 x+2 17. 8. 11

A:

Q: Find the monthly PMT on a 140,000 house in which 20,000 down taken at 6% over 30 years.

A:

Q: Quick Service Gas Station has its regularly-priced $160 tune-up on sale for 25% off the regular…

A: Given that, the regular price is $160 and offer on regular price is 25%.

Q: Sales last year for a department were $124,560. This year planned sales are forecast to increase by…

A: The sales of last year is $ 124,560.   The increment of 4.2 % in $ 124,560 is:

Q: Joe invests $500 into an account earning interest compounded monthly. Determine the rate if there…

A: The formula for the compounded amount is given by A=P1+rnnt where A is the compounded amount, P is…

Q: A car cost $17,000. The car's depreciates at a rate of 2.5%. How much is the car worth after 3…

A: NOTE: Refresh your page if you can't see any equations. . the initial value of the car is a=17000…

Q: The markup on a tv should be 56% based on selling price of the seller paid 176$ for one then how…

A: Mark-up =Profit/cost Here, mark-up=56%=0.56 cost=$176 Profit=Mark-up*cost         =0.56×176=98.56…

Q: A state legislature plans 10% motor vehicle tax cuts for each of the next 3years. What will the…

A:

Q: Lance Lopez went to his bank to find out how long it will take for $1450 to amount to 2325 at 12%…

A: To find how long it takes for amount $1450 to amount to $2325 at 12% interest, formula used is:…

Q: A man bought a hat for ₦70.00 and sold it for₦85.00 . calculate the percentage gain(to the nearest…

A: We know that profit gain=selling price(SP)-cost price(CP). Then percentage gain=SP-CPCP×100

Q: 2500. It has decreased in value 12% each year since it was purchased if he brought it four years…

A: Present value of the motorcycle, P.V = 2500 time since he purchased the motorcycle, t = 4 years rate…

Q: A ​​600% off​ sale' begins today at​ Wanda's Women's Wear. What is the sale price of​ women's wool…

A:

Q: Express 4/10 as a percent

A:

Q: The value of a new sports car (Lamborghini) appreciates at a rate of 3% per year. If the vehicle was…

A: Given that, The value of a new sports car appreciates at a rate of 3% per year. ⇒If the vehicle was…

Q: You put $399 per month in an investment plan that pays an ApR 6%. How much money will you have after…

A: Given: PMT=$399 APR=6% money after 15 years =?

Q: During February of 2019, it snowed 3.2" in Kansas City. This is about 22% less than the amount of…

A: Given Snowfall in February=3.2”

Q: Suppose that a computer store just announced an 5% decrease in the price of a particular computer…

A:

Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.