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chemistry a semester exam?
6 answers
asked by
:)
270 views
Which demographic challenge is Europe currently experiencing?
A. an aging and decreasing population B. a baby boom C. an unequal
59 answers
asked by
:)
13,837 views
Check my answers please!
1) What is blogging? A- online journaling B- posting in photo galleries C- uploading movies online D-
32 answers
8,265 views
"James is making concrete using cement, sand and grave, in the ratio 1:2:3. James has:
63kg cement 112kg sand 210kg gravel What
5 answers
1,642 views
Which option is the force with the greatest magnitude?
A: the force needed to lift a textbook B: the force needed to lift a
11 answers
asked by
:)
1,377 views
Which parameter stays the same to form the signs GAME, SPORTS, and TRY?
Handshape Non-manual Marker Palm Orientation Location
1 answer
29 views
A particular circuit is made up of a battery, a switch, a buzzer, and wires connecting the components. All of the components are
5 answers
2,037 views
In which situation does the reactive force between two colliding objects cause a physical change?
A: a swing hitting another
5 answers
asked by
:)
1,550 views
The Lion Fable
This story follows a lion who is shy and afraid to act for fear of looking foolish. While the lion watches
1 answer
47 views
Find the dimensions of a rectangle with perimeter 100m. whose area is as large as possible.
7 answers
7,391 views
which would best be used with a persuasive essay about the negative effects of soda?
Photographs Charts xxxxx Video Timeline
10 answers
3,820 views
4. Scientists are concerned about bee species dying off. They are pollinators, and if they are gone, many plant species will die
4 answers
2,219 views
Graph the exponential function y=0.5(6)x . Identify the y-intercept.(1 point)
Responses
3 answers
58 views
How are doubles falling between 61 through 99 (66, 77, 88, and 99) produced?
With a standard fingerspelling direction and palm
1 answer
21 views
1.During the soccer season, Michelle attempted 130 goals and made about 70% of them.
a. How many goals did Michelle make? b. The
5 answers
4,903 views
Which choice correctly describes a characteristic of an electromagnetic wave?
a)An electromagnetic wave moves at the speed of
5 answers
2,212 views
Study the scenario.
A beam of light hits a sheet of metal. If it has enough energy, electrons break free from the metal sheet.
7 answers
3,119 views
Which statement is true regarding a chemical reaction?(1 point)
A. Even if the total number of atoms changes, mass may not be
34 answers
13,467 views
The 1980 Mount Saint Helens eruption was the most destructive volcanic eruption in U.S. history. Which statement best describes
7 answers
999 views
One half of the class got As. One third of the rest got Bs. One quarter of the remainder got Cs. One fifth of the others got Ds.
7 answers
995 views
Just wanted to make sure I did this right.
Use the equation to answer the question. FeCl3 +3NH4OH—-> Fe(OH) 3 +3NH4Cl Which
4 answers
484 views
i need the answers to Research and presentation Unit test texas connexus academy 8th grade PLEASE
6 answers
615 views
When you trip, your foot stops, but your body continues to move forward. Which statement best explains why this happens?
A: An
3 answers
397 views
Use the table to answer the question.
Years, x Value of Car, f(x) 1 29, 750.00 2 25, 287.50 3 21, 494.38 4 18, 270.22 5 ? A car
1 answer
54 views
What is mood in the context of dramatic texts?(1 point)
Responses anticipation a reader may feel as the text’s plot unfolds
1 answer
184 views
Use the sentence to answer the question.
The students were late to the meeting. Which revisions would make the sentence more
3 answers
130 views
Solve the following system of equations using the elimination method.
2x+y=3.5 , −x+2y=2.5 (1 point)
1 answer
29 views
Graph the exponential function y=0.5(6)x . Identify the y-intercept.(1 point)
Responses 1 1 0.5 0.5 0 0 −4 negative 4
1 answer
46 views
Cubs Turn Blue for World Series Celebration"
by Article: DPA/Newscom Jubilant throngs estimated in the millions across the city
3 answers
71 views
Lesson 2, "Sports Nutrition Myths", distinguishes important nutritional facts from fiction. It examines what misinformation
1 answer
68 views
What was the Industrial Revolution?
- 1 point - a) • A process that made it more difficult to mass produce goods and ship them
1 answer
48 views
Which of the following items would be associated with the Cl:claw classifier?
(2 points) tennis ball basketball bowling ball
5 answers
34 views
A ball is thrown off a low cliff to the beach below. It is thrown into the air with an initial upward velocity of 5 meters per
1 answer
35 views
Elke has a fair spinner with 4 equal-sized sections labeled 1, 2, 3, and 4. Elke plans to spin the spinner 100 times. Predict
3 answers
126 views
How would the number 67 be correctly produced in ASL?
Using a standard fingerspelling direction while signing 6, then 7 Using a
1 answer
17 views
How are doubles falling between 61 through 99 (66, 77, 88, and 99) produced?
With a standard fingerspelling direction and palm
1 answer
19 views
The population of Norson, the largest city in Transitania, is 50% of the rest of the population of Transitania. The population
2 answers
882 views
How do you solve these types of problems?
What is the remainder when 732^500 is divided by 10? The remainder of a division
1 answer
449 views
A chemist has 80 pints of a 20% iodine solution. How many pints of iodine must be added to produce a solution that is 33.1/3%
1 answer
632 views
i have been working on this forever...and i cant figure it out...but its on motorcycle safety...and its two words...but it
4 answers
982 views
A sailboat sails west from port for 5.3 km and experiences a shift in the wind direction. The wind blows the sailboat 2.5 km
2 answers
1,200 views
What are the steps in creating a drop cap two lines tall?
4 answers
334 views
At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts
1 answer
928 views
What are the three sections of the Mail Merge Helper dialog box?
1 answer
389 views
At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts
1 answer
415 views
At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts
1 answer
410 views
At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts
1 answer
399 views
x(-2x-8)
uqh help ! i fiqured it would just be -2x-8x but nopee
1 answer
291 views
I remember hearing something about how the Mayans predicted that it took so many days for the sun to orbit the sun and then Nasa
1 answer
366 views
Hi it's me again. I realize that my last question didn't make much sense, so I will try to explain it again. Her it goes.....
A
1 answer
414 views
The element in an incandescent light bulb that releases light energy is _____.
I think its C a thin tungsten filament. Am i
5 answers
1,004 views
what expression represents (2x^3)(8x^5)/4x^6?
5 answers
1,334 views
find algebraically the equation of the axis of symmetry and the coordinates of the vertex of the parabola whose equation is
1 answer
400 views
how do you think the Emancipation proclamation will affect people’s attitudes towards the war?
1 answer
470 views
Figure 6-43 shows a "conical pendulum", in which the bob (the small object at the lower end of the cord) moves in a horizontal
3 answers
1,052 views
How do you reverse the expirement of a Iron Nail which is placed into a cup of Copper Sulfate????
1 answer
852 views
A 0.46 kg object connected to a light spring with a spring constant of 18.0 N/m oscillates on a frictionless horizontal surface.
2 answers
550 views
the ratio of the area of a smaller triangle to the area of a larger triangle is 1:4. if the are of the smaller triangle is 30,
2 answers
800 views
If 26.4 L of H2 reacted with 13.2 L of O2 at STP, what is the volume of the gaseous water collected assuming that none of it
1 answer
462 views
How many grams of CO are needed to react with an excess of Fe2O3 to produce 233.4 gFe?
Fe2O3 (s) + 3CO (g) --> 3CO2 (g) + 2Fe (s)
3 answers
610 views
Marc is visiting washington dc he wants to know the height of the washington monument the length of the monument shadow is 111
4 answers
1,053 views
On a sunny day object A has a shadow of length 3 meters and a meter stick has a shadow 1.5 meters while object b has a shadow of
2 answers
498 views
A side 2.8m long makes an angle of 25 degrees with the ground how high is the top of the slide above the ground .
2 answers
644 views
Liola drives 13 km up a hill that is at a grade of 10 Degrees what horizontal distance to the nearest tenth of kilometer has she
3 answers
1,631 views
a 30 feet ladder resting against a building makes a 60 angle with the ground . find the Height from the ground at which the
4 answers
3,367 views
an airplane over the pacific sights an atoll at a 11 degrees angel angle of depression. if the plane is 410 m above water how
3 answers
1,869 views
A lookout spots a fire from a 36 meter tower the angel of depression from the tower to the fire is 21 degrees . To the nearest
2 answers
814 views
Find the angle of elevation of the sun when a tree that is 10 yd tall cast a shadow 14 yds long
4 answers
1,545 views
Sand is being dropped at the rate of 10 cubic meter per minute onto a conical pile. If the height of the pile is always twice
11 answers
10,179 views
A spherical balloon is being inflated so that its volume is increasing at the rate of 5 cubic meter per minute.At what rate is
6 answers
2,098 views
A rectangle has a perimeter of 10 meters. Express the area A of the rectangle as function of the width x.
6 answers
5,603 views
The sum of two positive numbers is 100. Let one of the numbers be x and express the product P of the two numbers as a function
4 answers
3,397 views
limit of ln(sin x) as x approaches pi to the left
2 answers
846 views
Find two positive numbers whose product is 100 and whose sum is a minimum.
5 answers
3,093 views
After blast-off, a space shuttle climbs vertically and a radar-tracking dish, located 1000 meters from the launch pad, follows
3 answers
1,960 views
A piece of wire 10 feet long is cut into two pieces. One piece is bent into the shape of a circle and the other into the shape
4 answers
3,294 views
A jogger runs 145m. in a direction 20.0 degrees east of north (displacement of vector A) and then 105m. in a direction 35.0
5 answers
3,605 views
A motorist traveling with a constant speed of 15m/s passes a school-crossing corner, where the speed limit is 10m/s. Just as the
4 answers
1,987 views
A motorist traveling with a constant speed of 15m/s passes a school-crossing corner, where the speed limit is 10m/s. Just as the
7 answers
13,489 views
Identify whether the underline pronoun is personal, intensive, or reflexive in questions 1–3.
1. In the early 1840s,
11 answers
4,912 views
In “Sinners in the Hands of an Angry God,” Edwards establishes various conclusions and then applies those conclusions to his
4 answers
817 views
2. Read the following words:
sautnterd, walked, danced What is the best way to group these words on a classification chart to
7 answers
1,184 views
1. Which of the following is greater than 4.3 x 10^9
a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the
2 answers
562 views
1. Which of the following is greater than 4.3 x 10^9
a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the
5 answers
548 views
1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)?
a. 16.32 x 10^6 b. 1.632 x 10^7 c. 16.32 x 10^9 d. 1.632 x 101^0 2. What
84 answers
20,217 views
Francis ate 2/3 of a large pizza. Janette ate 1/4 of the same pizza. How much pizza did Francis and Janette eat in all?
4 answers
418 views
help?
Give the slope and y-intercept of the given line and then graph it. 8. 2x-3y=6 9. y=-2x 10. y=3 11. x+2=0
1 answer
281 views
entify if the problem shown below is an example of the commutative, associate or distributive property. Explain your answer.
(2 +
5 answers
153 views
A football is thrown directly toward a receiver with an initial speed of 15.8 m/s at an angle of 17° above the horizontal. At
2 answers
556 views
If the heat of combustion for a specific compound is -1310.0 kJ/mol and its molar mass is 75.45 g/mol, how many grams of this
4 answers
474 views
In forming thier goverment,how many executives did rome decide to have? Please reply and thanks in return :)
1 answer
380 views
Given the identity x^4-2x^3+ax^2-2=x(x-1)(x+1)Q(x)+4x^2+bx+c , where Q(x)is a polynomial,
(i)state the degree of Q(x) (ii)find
1 answer
344 views
If 4x^3-6x^2+1=(x-2)Q(x)+ax-3 for all values of x ,where Q(x) is a polynomial in x ,find
(i)the value of constant a (ii)Q(x)
4 answers
1,635 views
where do the negatives go on the x/y axis of grid?
1 answer
372 views
The bottom of a ladder is placed 4 feet away from a house and it reaches a height of 16 feet on the side of the house. What is
2 answers
1,130 views
Density is given in ____.
a.Pa/cm3 b.N/m2 c.g/s2 d.g/cm3 I cant rremember, c?
1 answer
396 views
Archimedes' principle states that the buoyant force on an object is equal to the density of the fluid it displaces.
true?
2 answers
802 views
How did the belief in Manifest Destiny contribute to the westward expansion of the United States?
a.Americans believed expansion
5 answers
1,014 views
Rock Climbing
Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have
3 answers
525 views
Chapultepec was a heroic victory for Mexican forces against American troops who sought to capture Mexico City.
true?
7 answers
676 views
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