- Dans un agrandissement ou une réduction de rapport k les longueurs sont
- Box 1 contains 5 red balls and 2 white balls.Box 2 contains 4 red balls and 3 white balls.(a) A box is chosen at random and a ball is drawn. Find the probability that the ball is red
- On a particular day, there are 64 flights scheduled between these two cities.Find the probability that more than 6 of the flights on this particular day will have a flight time of more than 80 minutes.
- A company produces bags of sugar whose masses, in grams, can be modelled by a normal distribution with mean 1000 and standard deviation 3.5. A bag of sugar is rejected for sale if its mass is less than 995 grams.(a) Find the probability that a bag selected at random is rejected. [2](b) Estimate the number of bags which will be rejected from a random sample of 100 bags. [1](c) Given that a bag is not rejected, find the probability that it has a mass greater than 1005grams.
- The value of a car is given by the function C = 40 000(0.91)t, where t is in years since 1 January 2023 and C is in USD($).(a) Write down the annual rate of depreciation of the car. [1](b) Find the value of the car on 1 January 2028. [2]Alvie wants to buy this car. On 1 January 2023, he invested $15 000 in an account that earns 3% annual interest compounded yearly. He makes no further deposits to, or withdrawals from, the account.Alvie wishes to buy this car for its value on 1 January 2028. In addition to the money in his account, he will need an extra $M.(c) Find the value of M.
- Find, correct to the nearest 10 years, the time taken after the plant's death for 25 % ofthe carbon-14 to decay.
- Sketch the graph of f , showing clearly the value of the x-intercept and the approximate position of point P.
- Would the Manager like to open the discussion, and tell us a little bit about this case ?
- Well everybody, I think it's time we got started. Good afternoon. Thanks for coming.
- I'd like to begin by explaining the issue at stake today. You will probably be aware that
- So, to sum up today's meeting, we' en général over the arguments for and against each project.
- what do angles in a quadrilateral add up to
- There are 3 different cheeses at the deli. Yasuko buys 3/4 of a pound of each. There are also 4 different meats. She buys 1/2 of a pound of each. How much total food did Yasuko buy at the deli?
- A sign language club made $627.50 from selling popcorn at a festival. The popcorn cost the club $95.00. Which expression represents the amount of money that was raised for each member of the club?
- At a farmers market, Samuel bought 3 pounds of apples for x dollars per pound and 2 bags of spinach for y dollars each. The next day he returned and bought 5 pounds of apples for x dollars per pound and 3 bags of spinach for y dollars each. Which expression represents the total amount he spent at the market on both days?
- Yuri's sister Karina is 12 years old. In the equation below, y represents Yuri's age in years.12=3y-2
- Tamir buys tickets to two concerts this season. One has a face value of $32.50, and one has a face value of $26.50. He uses a coupon and gets both tickets at 1/4 off. If he pays with a $50 bill, how much change should Tamir receive?
- A recipe that makes 4 servings calls for 2/3 cup of flour. uses a large container of flour to make 20 servings of the recipe. What number represents the change in the amount of flour from the large container?
- Juan is rewriting the expression 12d-26c as a product. Which statements about the expression are accurate and relevant to his rewriting the expression? Check all that apply.
- Half of a number minus seven is one and five-tenths.