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Lisa

Questions (1,537)

Every year your firm employs 12% more employees. If your firm started with three employees, how many people will be employed
1. 1 answer
2. 54 views
Peter made a deposit of R11000 into his savings account. Four years later he made a deposit of R1000. How much is in his account
1. 1 answer
2. 55 views
Calicut ate the final amount earned on a R2500 investment at a rate of 3% compound interest per year for half a year.
1. 1 answer
2. 35 views
Mr Mphanya makes an initial investment of R5000 for a period of 3 years. Find the value of the investment after 3 years, if the
1. 1 answer
2. 46 views
Suppose that an investment of R8000 earns interest at a rate of 15% compounded per year. How much interest will the investment
1. 1 answer
2. 54 views
Suppose you borrow R30000 from the bank for 6 semesters at an interest rate if 12,51% compounded yearly. What is the total
1. 1 answer
2. 48 views
The ABC Building society opened an account with a balance of R215 at the beginning of the year and closed it at the end of the
1. 1 answer
2. 26 views
At what annual simple interest should R96 be invested for 1 year and 5 months, so as to produce the same interest earned if R75
1. 1 answer
2. 50 views
40/150 simplest form
1. 1 answer
2. 25 views
A six sided number cube is to be rolled 30 times how many times do you expect to roll an even number
1. 1 answer
2. 25 views
45/150 in percent form
1. 1 answer
2. 21 views
15 tshirts 10 short sleeve blouses what is relative frequency of t shirts in decimal form
1. 1 answer
2. 34 views
Hazel has 15 t shirts and 20 short sleeve blouses what is the relative frequency of her tshirts write in decimal form
1. 1 answer
2. 29 views
The ratio of North America, butterflies to South America, butterflies. At a butterfly park is 5 third, the ratio of South
1. 1 answer
2. 81 views
Bob needs to mix 2 cups of liquid lemonade. Concentrate with 3.5 cups of water to make lemonade. Bob has 6 cups of lemonade
1. 1 answer
2. 76 views
Bob needs to mix 2 cups of liquid lemonade. Concentrate with three point five cups of water to make lemonade
1. 1 answer
2. 95 views
You make a large bowl of salad to share with your friends. Your brother eats one third of it before they come over
1. 1 answer
2. 101 views
What fractional portion of the original bowl of salad does each frame receive
1. 1 answer
2. 52 views
If one honeybee makes one twelve teaspoon of honey during its lifetime, how many honey bees are needed to make one half teaspoon
1. 1 answer
2. 120 views
You make a large bowl of salad to share with your friends. Your brother eats 1/3 of it before they come over. You want to divide
1. 1 answer
2. 86 views
How many tenths are therein 4/5
1. 1 answer
2. 49 views
Jackson wants to divide a 3/4 pound box of trail mix into small bags each of the bags will hold 112 pound of trail mix. How many
1. 1 answer
2. 100 views
Which is the best example of a thermal conductor?
1. 1 answer
2. 90 views
Why do restaurants wash their dishes with hot water?
1. 1 answer
2. 226 views
What is the fifth term of the geometric sequence? 5, 15 , 45,
1. 1 answer
2. 112 views
Write the explicit formula for the geometric sequence. Then find the fifth term in the sequence.a1 = –4, a2 = 8, a3 = –16
1. 1 answer
2. 121 views
What is a possible value for the missing term of the geometric sequence?
1. 1 answer
2. 82 views
Kaylee is painting a design on the floor of a recreation room using equilateral triangles. She begins by painting the outline of
1. 1 answer
2. 303 views
What is the equation of thr function y=6/x translated 5 units to the left and 4 units up
1. 1 answer
2. 135 views
A group of college students are volunteering for Help the Homeless during their spring break. They are putting the finishing
1. 1 answer
2. 183 views
A drama club is planning a bus trip to new york city to see a broadway play. The cost per person for the bus rental varies
1. 2 answers
2. 267 views
A ball with mass of 2kg rolls from rest , down an incline of 10° neglecting friction. Calculate the kinetic energy after it has
1. 1 answer
2. 231 views
What fraction of 5 is 1/3.
1. 1 answer
2. 106 views
What is the degree of the mononmial 3x^2y^3
1. 1 answer
2. 86 views
Do does the rule y = -5x^6 and exponential function
1. 1 answer
2. 96 views
(3×10^6)(8×10^-4)
1. 2 answers
2. 63 views
(3×10^6)(8×10^4)
1. 1 answer
2. 61 views
Does the table represent an exponential function
1. 1 answer
2. 118 views
Simplify (4xy^2)^3(xy)^5
1. 2 answers
2. 163 views
Is the following statement always never or sometimes true a number raised to a negative exponent is negative
1. 1 answer
2. 135 views
Evaluate 1/2a^-4b^2for a=-2 and b=4.
1. 2 answers
2. 82 views
Simplify. Write in scientific notation (9×10^3)^2
1. 1 answer
2. 75 views
Simplify. Write in scientific notation 0.5(8×10^5)
1. 2 answers
2. 90 views
Write in standard notation 6.12×10^3
1. 1 answer
2. 58 views
Write in scientific notation 0.0042
1. 2 answers
2. 140 views
Simplify mn^4/p^0q^2
1. 2 answers
2. 58 views
Counter claim quick check
1. 2 answers
2. 743 views
What is the purpose of an argument
1. 1 answer
2. 161 views
What is used to support a claim
1. 1 answer
2. 239 views
Why did democracy work in Athens but not in the United States?
1. 0 answers
2. 130 views
A block of wood of density 0.6g/cm, weighing 3.0N in air, floats freely in a liquid of density 0.8g/cm. Calculate the volume of
1. 0 answers
2. 173 views
the shape is enlarged by a factor of 2 is the image congruent to the original image
1. 1 answer
2. 121 views
A circle is inside a square.The radius of the circle is decreasing at a rate of 4 meters per day and the sides of the square are
1. 2 answers
2. 157 views
An inverted pyramid is being filled with water at a constant rate of 25 cubic centimeters per second. The pyramid, at the top,
1. 1 answer
2. 159 views
Julia is in the cereal aisle at the grocery store and is looking at the cereal options. The probability that the cereal is in a
1. 2 answers
2. 258 views
Show that ∑ ((log 𝑛)^𝑞/𝑛^𝑝)converges for −∞ < 𝑞 < ∞ and 𝑝 > 1.
1. 1 answer
2. 223 views
Show that ∑ ((log 𝑛)𝑞 /𝑛 𝑝 ) ∞ 𝑛=2 converges for −∞ < 𝑞 < ∞ and 𝑝 > 1.
1. 1 answer
2. 241 views
Urea (CH4N2O) is a common fertilizer that is synthesized by the reaction of ammonia (NH3) with carbon dioxide. NH3 + CO2 =
1. 1 answer
2. 476 views
O is a dibasic acid H2X .G is a solution containing 1.00g of NaOH in 250cm³ solution.1) calculate the concentration of G in
1. 1 answer
2. 465 views
O is a dibasic acid H2X .G is a solution containing 1.00g of NaOH in 250cm³ solution.1) calculate the concentration of G in
1. 1 answer
2. 579 views
Hydrogen gas reactions with nitrogen to form ammonia according to the following chemical equation:H2(g) + N2(g) --> NH3(g) How
1. 1 answer
2. 533 views
The Parkside basketball team scored 54 points out of two-point and three-point shots (ignoring free throws for this problem).
1. 1 answer
2. 298 views
The marginal profit for selling x souvenir hats is modeled by P'(x)=5-0.02x dollars. If fixed cost is 250 dollars, how do you
1. 1 answer
2. 400 views
On one production line in a small custom chip factory, marginal costs decrease rapidly as more chips are made. The marginal cost
1. 2 answers
2. 443 views
The marginal profit for selling x souvenir hats is modeled by P'(x)=5-.02x dollars. If fixed cost is 250 dollars, how do you
1. 10 answers
2. 438 views
On one production line in a small custom chip factory, marginal costs decrease rapidly as more chips are made. The marginal cost
1. 0 answers
2. 438 views
Which form of mechanical weathering can produce the most significant and rapid changes on the earth’s surface
1. 1 answer
2. 270 views
A golfer hits a shot to a green that is elevated 3.20 m above the point where the ball is struck. The ball leaves the club at a
1. 1 answer
2. 614 views
If the mid-Atlantic Ocean is spreading at 3.0 cm per year, how many years has it taken for it to reach its present width of
1. 1 answer
2. 895 views
2FePO4+3Na2SO4--->Fe2 (SO4)3+2Na3PO4
1. 1 answer
2. 260 views
What are welfare payments of consumer subsidies?
1. 0 answers
2. 298 views
Which are structures in eukaryotic cells?Select all that apply. mitochondria DNA nucleus plasmid
1. 4 answers
2. 2,813 views
1/4 multiply 2540/1
1. 1 answer
2. 199 views
How many kilo calories (kcal) are required to change 1 kg of 0°C ice to 0°C water?
1. 1 answer
2. 684 views
How many Joules of heat are required to raise the temperature of 0.6 kg of water by 28 °C?
1. 1 answer
2. 391 views
Consider an airplane with a total wing surface of 100 square meters (m2). At a certain speed the difference in the air pressure
1. 1 answer
2. 1,858 views
How did Drs. Peter and Mary Grant verify Darwin’s theory of natural selection?(1 point)by studying a different group of
1. 13 answers
2. 9,228 views
A student performs the reaction below in three experiments studying initial concentrations and initial rates. The data is
1. 1 answer
2. 1,226 views
According to scientists the point at which substance boils, melts and freezes are properties of those substances. True or False?
1. 1 answer
2. 317 views
What is the set of quantum numbers for the last three electrons in an iodine atom?
1. 4 answers
2. 1,068 views
Through which parts of the Roman empire did the invaders spread? Which parts did they not enter?
1. 0 answers
2. 813 views
A student drops a 0.33-kg piece of steel at 42 ∘C into a container of water at 22 ∘C. The student also drops a 0.51-kg chunk
1. 1 answer
2. 1,887 views
A student drops a 0.33-kg piece of steel at 42 ∘C into a container of water at 22 ∘C. The student also drops a 0.51-kg chunk
1. 0 answers
2. 515 views
Determine the global extrema for f(x) = logX /x over [1,10]
1. 1 answer
2. 419 views
Determine the equation of the tangent at the point x=1 on the curve y= (x^x)^X
1. 1 answer
2. 258 views
if y=e^3x sin 2x, then determine a simplified expression for d^2 y/ dx^2 - 4 dy/dx + 9y.
1. 1 answer
2. 349 views
Determine the points on the graph of y= cos2x - cos x,x E [0,2pi], where the tangent is horizontal .
1. 3 answers
2. 614 views
Determine the equation of the tangent line to y=x^2 (1+In x) at the point where x = e.
1. 1 answer
2. 385 views
Determine the equation of the tangent to y= f(x) at the point where x= -1.
1. 1 answer
2. 302 views
Suppose f(x)= 1/u^3 , where u=x^3 + 2. Determine a simplified expression for the slope of all tangents to y = f(x).
1. 1 answer
2. 267 views
For the curve y=2x^3, the equation of the tangent that crosses a point (x,y) is y=8x + b. Determine the value of b
1. 1 answer
2. 484 views
Determine a formula for the product rule in the case where we are asked to differentiate the product of four functions. That is
1. 1 answer
2. 284 views
solve 12y=17-9x using the elimination method
1. 1 answer
2. 597 views
The ratio of cups of flour to cups of cooking oil in a cake mix is 3:8 The ratio of cups of cooking oil to cups of water is 6 to
1. 2 answers
2. 2,157 views
What was the question that the scientist started with in the problem effects of oil contamination on ocean seaweed...
1. 1 answer
2. 404 views
Suppose that a new drug is being investigated to combat some form of cancer. In phase II trials, researchers look for evidence
1. 1 answer
2. 545 views
A contractor is interested in the total cost of a project for which he intends to bid. Heestimates that materials will cost
1. 1 answer
2. 1,115 views
Consider the series 1/4+1/6+1/9+2/27+4/81+....Does the series converge or diverge? Is the series arithmetic, geometric, neither,
1. 3 answers
2. 1,617 views
How many significant figures are in the following number: 1.00200?
1. 1 answer
2. 550 views
Imagine a 24 hour clock with minute and hour hands. How do the rotational speeds of these hands compare to a regular clock’s
1. 2 answers
2. 620 views

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