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Peter
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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
0 answers
878 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 answer
1,536 views
What equation was used to get the answer in requirement 3?
Consulting to control costs. Requirement 1. Compute Draper's
1 answer
2,368 views
Help me Bobpursley is dumb
Serge invests $700 at 5.75% per year, compounded quarterly. When the account is closed, its value will
1 answer
543 views
Serge invests $700 at 5.75% per year,
compounded quarterly. When the account is closed, its value will be $950. How long will
3 answers
924 views
Angelica ran in a half-marathon. The
length of the race was 21.1 km. She ran 1700 m in the first 10 min of the race. In each
1 answer
1,026 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 answer
575 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
6 answers
3,561 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
0 answers
400 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
5 answers
1,858 views
[1 1 1|7]
[1-1-1|1] [1-1-]|3]
1 answer
417 views
5/9 ,7/18 and 1/2 arranged from the smallest to the largest
1 answer
333 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 answer
3,231 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.
2 answers
979 views
What does the expression of this superhero mean?
Which of the following steps of art critique are you conducting for this type of
6 answers
2,574 views
Denise bought some lace to sew around 3 square pillows. Each pillow measured 4 incheson each side. How many feet of lace did
3 answers
501 views
Explain the measures toreduce the problems associated with mining and extraction of metal
1 answer
416 views
State the intercepts, domain and range for y= |0.5x^2-2|.
1 answer
514 views
percentage of water of crystallization in Fe(NO3)2
1 answer
446 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
3 answers
1,340 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
4 answers
1,363 views
An observer 150 feet from point C, where a weather balloon has been released. The balloon rises vertically at a rate of
1 answer
834 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
8 answers
4,546 views
Can you define the variable,
four more than a number divided by 2 is ten.
2 answers
509 views
A girl standing on a stationary uniform plank 10m long. The plank can move with negligible friction along the surface of the
1 answer
1,159 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?
0 answers
411 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
4 answers
1,450 views
Determine whether or not the given linear transformation is invertible. If it is invertible, compute its inverse. (If the
1 answer
876 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,
0 answers
420 views
Which team will visit a city within its own state for a game
1 answer
412 views
A clock starts at 12:59. What time is it after the minute hand rotates 24 degrees?
1 answer
429 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 answer
631 views
How do you write 234,567 in roman numeral's
1 answer
556 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
8 answers
4,780 views
Which career can suit me?
3 answers
486 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
4 answers
2,065 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
2 answers
2,023 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 answer
1,240 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 answer
392 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
0 answers
630 views
2. X - 7 > 10
X > ____ 3. 3x ≤ 21 X ≤ ____ 4.5a - 2 < 18 A<____ 5. 2t+8 ≥ -4(t+1) T ≥ ____ Could someone Please help me I
2 answers
946 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
0 answers
442 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 answer
605 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
0 answers
615 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
0 answers
548 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 answer
765 views
The driver pushes the accelerator pedal as far down as possible. The car does not accelerate above a certain maximum speed.
2 answers
1,573 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 answer
402 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 answer
592 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 answer
1,429 views
5t^2-7t=1 find exact solution
1 answer
414 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 answer
614 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 answer
770 views
Prove that 140 * 141 * 142 * ... * 159 * 160 is divisible by 4321.
0 answers
645 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
2 answers
1,412 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 answer
870 views
a) Find the linear approximation of the function f(x)=4cos(3x^2) near x = 0
b) Use the approximation found in part (a) to
1 answer
986 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
5 answers
3,317 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
4 answers
2,398 views
There are some animals in a farm.there are 50 goats. the ratio of goats to sheeps is 1:4. find sheep
1 answer
714 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?
2 answers
433 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 answer
2,172 views
Only three canoes are offered, the Iroquois, Chippewa, and Winnebago, which cost $1,100,$1,400, and $2,100, respectively. Each
0 answers
474 views
Blood samples from 10 persons were sent to each of two labs for cholesterol determination. The measurements are recorded below:
T
0 answers
581 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 answer
624 views
Malinda Levi borrows 90 day note. On the 30th day, Malinda pays on the note. If ordinary interest is applied, what is
0 answers
541 views
Find the discount (ordinary interest) and proceeds on a promissory note for $2,000 made by Barbara Jones on February 10, 2007,
1 answer
963 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 answer
474 views
charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that much since opening the account. Nancy
0 answers
545 views
Nancy Tai has recently opened a resolving charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that
0 answers
607 views
Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it
1 answer
1,058 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 answer
554 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
2 answers
687 views
Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes
3 answers
9,396 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 answer
2,506 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
2 answers
1,175 views
Riverside Oil Company in eastern Kentucky produces regular and supreme gasoline. Each barrel of regular sells for $21 and must
0 answers
779 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
3 answers
684 views
In what ways can climate change impact biodiversity, and what measures can be taken to preserve it?
0 answers
4,287 views
Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland.
7 answers
2,608 views
If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will
2 answers
795 views
13.Which of the following statements correctly states how human activity and biodiversity affect one another?
A.As humans develop
14 answers
4,323 views
3. A nonnative species of animal is introduced into a healthy ecosystem. In its new environment, this species has no predators,
15 answers
4,067 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
9 answers
3,436 views
A biologist made population counts of four different species of animals in an ecosystem. What can you infer from these numbers
13 answers
2,162 views
There is a mosquito on a human. What type of relationship is that?
A. Predation B. Commensalism C. Mutualism D. Parasitism
5 answers
1,025 views
Study the image below. Future changes in the meadow area are likely to occur as the result of the process of _________________.
(
6 answers
3,573 views
14.If a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear.
91 answers
10,479 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
48 answers
738 views
The human eye responds to a light stimulus (generates a sensation of "light") upon receiving light energy of 10eV (and more). If
9 answers
868 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,
0 answers
979 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,
0 answers
425 views
A museum increases its admission price by 10 percent. As a result, total revenues increase by 10 percent. This implies that,
1 answer
457 views
When alkali metals are heated with hydrogen they form--------hydrides
2 answers
511 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 answer
891 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 answer
963 views
Books: Over the summer, you read 20 books. Eight of these books were biographies.
a. Find the ratio of biographies to the total
5 answers
969 views
Guys! I have 2 essays due this week, 1 tomorrow and another on Friday.
The first essay is an expository piece. (The relationship
2 answers
900 views
Convert the following parametic equation into a polar equation:
x=t y=(2t-4)/3
1 answer
358 views
Josh fires a catapult 18 ft above the ground with an initial velocity of 25 ft/sec. The misslie leaves the catapult at an angle
3 answers
565 views
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