Scores on a test are normally distributed with a mean of 76 and a standard deviation of 6. Using the z-score table, estimate the probability a randomly selected student scored below a 64.
a. 1.2b. 0.02c. -0.02d. 0.98
12/12/21
At present Asha’s age in years is 2 more than square of Nisha’s current age. When Nisha grows to Asha’s current age, Asha’s age will be 1 year less than 10 times present age of Nisha.
At present Asha’s age in years is 2 more than square of Nisha’s current age. When Nisha grows to Asha’s current age, Asha’s age will be 1 year less than 10 times present age of Nisha. Find the...
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12/12/21
Algebra homework
In a high school graduating class, there are 111 more women than men. Find the number of men if the total number of graduates is 365.
12/11/21
simultaneous equations
mx+3y=24x+(4+m)y=2ma) find the values of m for which these are:i) no solutionii) infinitely many solutionsiii) unique solutionb) solve the equations in terms of m, for suitable values of m.
12/11/21
Six times the sum of a number and 11 is no more than 4 less than twice the number.
I dont understand what to do
12/11/21
Waffle cones have a volume of about 234cm3. If a cone is 14 cm tall, what is the approximate diameter of its base?
I have no idea what it is
12/11/21
simultaneous equations
Find the value of m for which the simultaneous equations mx − y = 5 and 3x + y = 6 have no solution.
12/11/21
Applications of simultaneous equations
Find the value of m for which the pair of simultaneous equations 3x + my = 5 and (m + 2)x + 5y = m have:a) infinitely many solutionsb) no solutions.
12/11/21
Hurry and answer please Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
At an ice cream store, a family ordered 5 banana splits and 6 hot fudge sundaes, paying a total of $54 for their order. The next customer ordered 5 banana splits and 2 hot fudge sundaes and paid...
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12/11/21
Jayda takes her dog Rolo to obedience training once each week. Jayda bought a box of 96 dog treats and split them evenly into b bags. Each bag contains 16 treats.
Write an equation to describe this situation.How many bags of dog treats does Jayda have?
12/11/21
ℎ(𝑥)=3𝑥+4, hello i need help solving the inverse!
ℎ(𝑥)=3𝑥+4a.)Find the inverse function ℎ^−1(𝑥).b.) Graph both h(x) and h^-1(x)
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12/11/21
Algebra help, studying for HiSET math test
Two numbers have a sum of 14 and the larger number is 6 more than the smaller number. What is the value of the smaller number?
12/11/21
Factor each of the following polynomials
a. 𝑥^4 −16 b. 6𝑥^2 −7𝑥−5
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Models & Applications: Monthly Cost
The phone company Ringular has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 190 minutes, the...
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12/10/21
Kristen spent $144 dollars on shirts. Fancy shirts cost $28 dollars and plain shirts cost $15 dollars. If she bought a total of 7 shirts then how many of each kind did she buy?
I need to know how to turn this into an equation and how to solve it with a graph, substitution, and elimination.
12/10/21
Write an equation for a line perpendicular to Y= -3x - 1 and passing through the point (6,-2)
12/10/21
Math 11 applied
For a fruit salad, Damien will buy at least 20 pieces of fruit. He wants to spend no more than $12. Apples cost $0.30 each and oranges cost $0.70 each.Graph the system of inequalities and give an...
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