Algrebra
calculate the answer in the simplest form
4 x (1/5)
(4/5)
There are 20 tickets in a lottery. The number of wins is 5. Calculate the that you will get a winning ticket if you buy
a) First lot
b) second lot
c) last lot
a) (1/4)= 0,25= 25%
b) (1/4)= 0,25= 25%
c) (1/4)= 0,25= 25%
True or flase
the exact value of pi can never be calculated
True
In a 30-60-90 triangle, the length of the hypotenuse is 6. What is the length of the shortest side?
3
solve
(2/5) x (1/4)-1
-9/10
A die is rolled twice. Which event is most or least likely
H1 : The total score will be less than 6
H2: None of the throws show more than 3 points
H: the total score will be 9 or 10
H: at least one roll shows a 6
H: the second roll shows more points than the first roll
H is most likely (15/36)
H least likely (7/36)
That at least one roll shows a 6 means 6 in one or both rolls
true or false
You can use PI to calculate the area or circumference of a circle.
False
Since the exact value of pi can never be calculated, we can never find the accurate area or circumference of a circle.
The price of a nugget is 5 units, which is two more than twice the value of a bronze object. What is the price of the bronze object?
The value of the bronze object is 3/2 units
Calculate the value of the expressions
x+(2/3) och y=(3/5)
A) 2x - 4/y
B) 3x^2-5y^2
-16
Nora gets two questions. For each question there are several answer options, where one answer is correct there are the same number of options for both questions. She doesn't know the answers, so she guesses at random. the probability that she guesses wrong on both questions is (4/9).
a) how many answer options are there to the questions?
b) what is the probability that she guesses correctly on both questions
a) There are 3 answer options
b) the probability is (1/9)
Who was the first group of people to find the value of PI?
The Babylonians
Medina buys a bicycle on installments. The bike costs SEK 5,000. The loan is interest-free but in addition tot he air ticket fee of sek 29 also has a one-off fee of SEK 298. the sum of the loan amount fees divided into 6 equal monthly payments.
a) how much will medina pay in fees
b) how much will each monthly payment be
c) How many percent more does it cost to buy the bike in installments
a). She must pay SEK 472 in fees
b) she just pay SEK 912 a month
c) the bicycle costs 9.4% more in installments.
simplify the expression
x(6+y) + 3xy - 4x^2
Clue:yx = xy
-4x^2 + 6x + 4xy
Yasser has a credit card debt of SEK 2,000 that must be repaid in equal amounts over four months. The monthly interest rate is 2.6%. how much will he pay after the first month
He must pay Sek 552 after the first month
Name as many digits of pi as possible besides the first three digits
3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 8214808651 3282306647 0938446095 5058223172 5359408128 4811174502 8410270193 8521105559 6446229489 5493038196 4428810975 6659334461 2847564823 3786783165 2712019091 4564856692 3460348610 4543266482
To mow a grass field a team of mowers planned to cover 15 hectares a day. After 4 working days they increased the daily productivity by 33×1/3%and finished the work 1 day earlier than it was planned.
A) What is the area of the grass field?
B) How many days did it take to mow the whole field?
CHint: See problem 20 and solve by yourself.
A) 120 hectares; B) 7 days; C) 8 days.