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The sum of the first 9 terms of an arithmetic series is 144, and the sum of the first 14 terms is 329. Find the first 4 terms of
1. 2 answers
2. 1,314 views
1) What volume of oxygen gas at 28 Celsius and 102 kPa is needed to react completely with 150 g of iron according to the
1. 0 answers
2. 914 views
On his 12th birthday Enoch's grandparent's deposited $25 into a savings account for him. Each month after that up to and
1. 1 answer
2. 1,565 views
What equation was used to get the answer in requirement 3?Consulting to control costs. Requirement 1. Compute Draper's
1. 1 answer
2. 2,401 views
Help me Bobpursley is dumbSerge invests $700 at 5.75% per year, compounded quarterly. When the account is closed, its value will
1. 1 answer
2. 570 views
Serge invests $700 at 5.75% per year,compounded quarterly. When the account is closed, its value will be $950. How long will
1. 3 answers
2. 952 views
Angelica ran in a half-marathon. Thelength of the race was 21.1 km. She ran 1700 m in the first 10 min of the race. In each
1. 1 answer
2. 1,061 views
An alloy of iron and silver has a total mass of 30 grams and a volume of 20.4 centimetre cube Calculate the mass of iron only
1. 1 answer
2. 606 views
3. At the end of a dock, high tide of 14 m is recorded at 9:00 a.m. Low tide of 6 m is recorded at 3:00 p.m. A sinusoidal
1. 6 answers
2. 3,593 views
I can dispense 300 liters of liquid continuously in one hour from a given temp. of 22*c down to 7*c.(delta T=15) How many liters
1. 0 answers
2. 421 views
A support wire to the top of a newly planted tree is 15 m long. It forms an angle of 30 degrees to the ground. On the same side
1. 5 answers
2. 1,889 views
[1 1 1|7][1-1-1|1] [1-1-]|3]
1. 1 answer
2. 436 views
5/9 ,7/18 and 1/2 arranged from the smallest to the largest
1. 1 answer
2. 350 views
The following system is at equilibrium:2X(s)+4Y(g)⇌Z(g) Classify each of the following actions by whether it causes a leftward
1. 1 answer
2. 3,269 views
Write and expression that has a value of 100 and the following restrictions:1. Uses each of the four operations at most once 2.
1. 2 answers
2. 1,011 views
What does the expression of this superhero mean?Which of the following steps of art critique are you conducting for this type of
1. 6 answers
2. 2,614 views
Denise bought some lace to sew around 3 square pillows. Each pillow measured 4 incheson each side. How many feet of lace did
1. 3 answers
2. 536 views
Explain the measures toreduce the problems associated with mining and extraction of metal
1. 1 answer
2. 437 views
State the intercepts, domain and range for y= |0.5x^2-2|.
1. 1 answer
2. 542 views
percentage of water of crystallization in Fe(NO3)2
1. 1 answer
2. 476 views
A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey
1. 3 answers
2. 1,376 views
A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey
1. 4 answers
2. 1,396 views
An observer 150 feet from point C, where a weather balloon has been released. The balloon rises vertically at a rate of
1. 1 answer
2. 879 views
An object's velocity after t seconds is v(t)= 38-2t feet per second.a. How many seconds does it take for the object to come to a
1. 8 answers
2. 4,586 views
Can you define the variable,four more than a number divided by 2 is ten.
1. 2 answers
2. 538 views
A girl standing on a stationary uniform plank 10m long. The plank can move with negligible friction along the surface of the
1. 1 answer
2. 1,211 views
The activity of a sample of 31Si (T1/2 = 9.43×103 s) is 7.88×105 decays per second. What is the mass of sample present?
1. 0 answers
2. 433 views
Given the data set (5, 9), (13, 12), (23, 16), which of the following equations best represents a line of best fit?y = three
1. 4 answers
2. 1,474 views
Determine whether or not the given linear transformation is invertible. If it is invertible, compute its inverse. (If the
1. 1 answer
2. 912 views
Find the 3x4 matrix associated with the derivative transformation D:P3→P2 with respect to B = { 1, x, x2, x3} and B' = {1, x,
1. 0 answers
2. 438 views
Which team will visit a city within its own state for a game
1. 1 answer
2. 445 views
A clock starts at 12:59. What time is it after the minute hand rotates 24 degrees?
1. 1 answer
2. 465 views
A uniform electric field with a magnitude of 6100 V m−1 points in the positive x direction.Find the change in electric
1. 1 answer
2. 670 views
How do you write 234,567 in roman numeral's
1. 1 answer
2. 578 views
The cost of fencing a square field at ₹ 27.50 per metre is ₹55000 . Find the cost of reaping the field at ₹45 per 100
1. 8 answers
2. 4,834 views
Which career can suit me?
1. 3 answers
2. 504 views
Rafi had a board that was 15 1/2 FEET long he cut three pieces off the board that are each 3 and 7/8 feet long how much of the
1. 4 answers
2. 2,100 views
A clown is rocking on a rocking chair in the dark. His glowing red nose moves back and forth a distance of 0.42m exactly 30
1. 2 answers
2. 2,059 views
How much would the time keeping of a pendulum clock be affected by taking it to the moon? Gravity is 1.6m/s ^2, compared with
1. 1 answer
2. 1,271 views
What force is required to slide a 200 kg box up a 25 degree incline if the coefficient of friction is 0.60?
1. 1 answer
2. 407 views
If the specific heat of ice is 0.5 cal/g degree celsius, how much heat must be released from 5 g of water at 0 degree celsius to
1. 0 answers
2. 662 views
2. X - 7 > 10X > ____ 3. 3x ≤ 21 X ≤ ____ 4.5a - 2 < 18 A<____ 5. 2t+8 ≥ -4(t+1) T ≥ ____ Could someone Please help me I
1. 2 answers
2. 970 views
A gun shoots a bullet at 1200 m/s at an angle of 600 above the horizontal. Neglecting air resistance, determine:a.) its time of
1. 0 answers
2. 460 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
1. 1 answer
2. 634 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
1. 0 answers
2. 642 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
1. 0 answers
2. 572 views
How do I turn this into a algebraic expression, eight more than six times a number added to one more than nine times the number
1. 1 answer
2. 797 views
The driver pushes the accelerator pedal as far down as possible. The car does not accelerate above a certain maximum speed.
1. 2 answers
2. 1,606 views
A 2000 kg starts from rest and gains a velocity of 20 m/s in 5 s. What force wad applied on it?
1. 1 answer
2. 426 views
A card is drawn from a shuffled deck of 52 cards. What's th probability that the card is a spade or a face card?
1. 1 answer
2. 617 views
You have three toonies and two loonies in your pocket. You pull one coin out and then pull out another (without replacing the
1. 1 answer
2. 1,458 views
5t^2-7t=1 find exact solution
1. 1 answer
2. 432 views
A pool is 12m long and 7m wide it is surrounded by a 3m paved area on all sides the whole complex is enclosed by a 2m high fence
1. 1 answer
2. 638 views
a car driver accelerates to a speed of 35 miles per hour and then takes her foot off the gas pedal even though she does not
1. 1 answer
2. 789 views
Prove that 140 * 141 * 142 * ... * 159 * 160 is divisible by 4321.
1. 0 answers
2. 666 views
How would I find out what the height of the pile would be after 5 minutes?A machine starts dumping sand at the rate of 20
1. 2 answers
2. 1,442 views
If 12 ft^2 of material is available to make a box with a square base and an open top, find the largest possible volume of the
1. 1 answer
2. 894 views
a) Find the linear approximation of the function f(x)=4cos(3x^2) near x = 0b) Use the approximation found in part (a) to
1. 1 answer
2. 1,020 views
determine the submerged depth of a cube of steel 0.3m on each side floating in mercury given the specific gravities of steel and
1. 5 answers
2. 3,353 views
A 238U nucleus is moving in the x-direction at 4.8×105m/s when it decays into an alpha particle (4He) and a 234Th nucleus. The
1. 4 answers
2. 2,421 views
There are some animals in a farm.there are 50 goats. the ratio of goats to sheeps is 1:4. find sheep
1. 1 answer
2. 752 views
1/4 of Peter's money is the same as 2/3 of James money, James has $60. How much do they have altogether?
1. 2 answers
2. 464 views
Car 1 has 6 times the mass of car 2, but only 0.4 as much kinetic energy. What is the ratio between the speeds of the two cars
1. 1 answer
2. 2,208 views
Only three canoes are offered, the Iroquois, Chippewa, and Winnebago, which cost $1,100,$1,400, and $2,100, respectively. Each
1. 0 answers
2. 490 views
Blood samples from 10 persons were sent to each of two labs for cholesterol determination. The measurements are recorded below:T
1. 0 answers
2. 613 views
vacuum cleaner was purchase on the installment plan with 12 monthly payments $36.98 each. If the cash price was $415 and there
1. 1 answer
2. 647 views
Malinda Levi borrows 90 day note. On the 30th day, Malinda pays on the note. If ordinary interest is applied, what is
1. 0 answers
2. 574 views
Find the discount (ordinary interest) and proceeds on a promissory note for $2,000 made by Barbara Jones on February 10, 2007,
1. 1 answer
2. 986 views
Myrna Lewis wishes to have $4,000 in four years to tour Europe. How much must she invest today at 8% interest compounded
1. 1 answer
2. 498 views
charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that much since opening the account. Nancy
1. 0 answers
2. 569 views
Nancy Tai has recently opened a resolving charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that
1. 0 answers
2. 631 views
Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it
1. 1 answer
2. 1,082 views
I have 18 blue marbles, 16 green marbles, and 22 red marbles in a bag. What is the chance I will pick a green if I pick a marble
1. 1 answer
2. 569 views
Bentley Plastics Ltd. has annual fixed costs of $450,000 and variable costs of $15 per unit. The selling price per unit is $25.W
1. 2 answers
2. 712 views
Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes
1. 3 answers
2. 9,437 views
the longer legs of a right triangle is 20 cm more than twice the length of the shorter leg. The length of the hypotenuse is 22
1. 1 answer
2. 2,538 views
A brick with a mass of 6kg is dropped vertically from a certain height.it takes 4,5 seconds for the brick to reach the
1. 2 answers
2. 1,219 views
Riverside Oil Company in eastern Kentucky produces regular and supreme gasoline. Each barrel of regular sells for $21 and must
1. 0 answers
2. 816 views
Chad buys peanuts in 2 pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2 pound bags of peanuts
1. 3 answers
2. 705 views
In what ways can climate change impact biodiversity, and what measures can be taken to preserve it?
1. 0 answers
2. 4,314 views
Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland.
1. 7 answers
2. 2,632 views
If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will
1. 2 answers
2. 817 views
13.Which of the following statements correctly states how human activity and biodiversity affect one another?A.As humans develop
1. 14 answers
2. 4,364 views
3. A nonnative species of animal is introduced into a healthy ecosystem. In its new environment, this species has no predators,
1. 15 answers
2. 4,112 views
Study the animal in the image below. What can you infer about the animal from this image?( the image is a frog that is
1. 9 answers
2. 3,470 views
A biologist made population counts of four different species of animals in an ecosystem. What can you infer from these numbers
1. 13 answers
2. 2,221 views
There is a mosquito on a human. What type of relationship is that?A. Predation B. Commensalism C. Mutualism D. Parasitism
1. 5 answers
2. 1,061 views
Study the image below. Future changes in the meadow area are likely to occur as the result of the process of _________________.(
1. 6 answers
2. 3,608 views
14.If a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear.
1. 91 answers
2. 10,529 views
The particle wavelength of your lecturer in 3.091 on his way from the office to 10-250 (200 yards, 1 yard = 0.9144 m) has been
1. 48 answers
2. 773 views
The human eye responds to a light stimulus (generates a sensation of "light") upon receiving light energy of 10eV (and more). If
1. 9 answers
2. 900 views
I don't even know where to start with this. -_-As A and B range over all ordered pairs of distinct coprime positive integers,
1. 0 answers
2. 1,007 views
I don't even know where to start with this. -_-As A and B range over all ordered pairs of distinct coprime positive integers,
1. 0 answers
2. 457 views
A museum increases its admission price by 10 percent. As a result, total revenues increase by 10 percent. This implies that,
1. 1 answer
2. 483 views
When alkali metals are heated with hydrogen they form--------hydrides
1. 2 answers
2. 535 views
An automobile travels 30 km due east on a level road . It then turns due north at an intersection and travels 40km before
1. 1 answer
2. 918 views
A surveyor, standing 80 ft. from the base of a building, measures the angle of elevation to the top of the building to be 75
1. 1 answer
2. 992 views
Books: Over the summer, you read 20 books. Eight of these books were biographies.a. Find the ratio of biographies to the total
1. 5 answers
2. 1,010 views
Guys! I have 2 essays due this week, 1 tomorrow and another on Friday.The first essay is an expository piece. (The relationship
1. 2 answers
2. 932 views
Convert the following parametic equation into a polar equation:x=t y=(2t-4)/3
1. 1 answer
2. 368 views

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