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Questions (1,175)
Calculate the molarity of a Ba(OH)2 solution if 1.90 L is completely neutralized by 0.261 L of 0.505 M HNO3.
4 answers
962 views
An acid having the suffix -ous produces an anion having the ____.
a)suffix -ous b)suffix -ate c)prefix hydro- d)suffix -ite
2 answers
625 views
Given a solution containing 0.242 g of aqueous barium chloride, BaCl2, how many mL of 0.0581 M H2SO4 solution will completely
4 answers
871 views
To calculate the decay rate of a known sample of particles
a) multiply the number of particles by the decay constant b) divide
3 answers
480 views
Let ABCD be a trapezoid with sides AB and CD parallel. let M₁ and M₂ be the midpoints of the nonparallel sides (AD and BC).
3 answers
466 views
In "The Literature of the Americas," Kimberly Koza writes: "By discovering the literature of
our neighbors, we may also learn
4 answers
1,487 views
The first thing “e” wanted to do is to “Calculuize” his favourite game, Super Mario. So, one day, his friend 𝑝𝑖
1 answer
393 views
He wondered what the equation of such a perfect roller coaster
would be. As he dreamed that night, he discovered the following
1 answer
289 views
Ray QS bisects <PQR. Solve for X and find m<PQR
m<PQR= x+3 m<PQS= 4x- 14 can someone help me set up this problem and how to solve
4 answers
283 views
Evaluate the polynomial:
2x3 - 3x2 + 5x + 12 Use symbolic addresses for variables x and answer (holds the result). Assume that
1 answer
340 views
mia messed up my whole grade im 100% screwed DO NOT LISTEN TO HER
1 answer
224 views
State the missing reasons in this flow proof.
Given: angle 5 = 40, angle 2 = 140. Prove: a is parallel to b. Statements: angle 5
5 answers
2,066 views
Which choice most accurately describes voltage?
A. the amount of electrical energy in a circuit B. the amount of electrical
5 answers
1,600 views
which conclusion can be made about isotopes?
isotopes with more neutrons than protons are always unstable. isotopes that are
1 answer
339 views
1.What is the frequency of radiation which has a wavelength of 4.00 x 10⁻⁵ cm.
1 answer
122 views
36f^2+84f+49
Idk what to do?? Thanks for the help!
5 answers
175 views
ok i need help on this question for a test what is 29/8 equivalent to which of the following?
A.3.5 because 29 divided 8 = 3 with
3 answers
355 views
Calcium carbonate is heated in a test tube and it decomposes to produce CO2 that is collected over water in the following setup.
4 answers
424 views
I don't have wings but I can fly, I don't have eyes but I will cry. What am I?
3 answers
354 views
1. Organism A has a DNA length of 100 b.p.; organism B has a linker DNA length of 60 b.p. Which of the statements about their 10
1 answer
279 views
What property is shown by 5( a + 6 ) = 5(a) + 5(6)?
1 answer
258 views
does anyone know these answers?
need help asap 10. "Naett, that is the dry tornado, the hard clasp of lightning" is an example
1 answer
377 views
how many carbon atoms are found in 3.500 moles?
1 answer
178 views
Initially there are 500 bacteria. After 8 minites there are 3400. Estimate the doubling period.
1 answer
178 views
if cos(x) = 5/13 and sin(y) = 3/5 where 0<= x, y <= pi/2 determine:
a) cos(x+y) b) sin(x - y) c) sin2x d) cos2y
1 answer
179 views
Simplify (double angle formulas)
a) cos3xcos2x + sin3xsin2x b) 2cos^2 pi/6 - 1 c) 1 - 2sin^2 pi/12
1 answer
184 views
For the function f(x)=x^3+2x-1, find (f^-1)'(2) (or: find the derivative of the inverse of f(x) at x = 2).
4 answers
388 views
For the function f(x)=x^3-2x^2+2x, what is (f^-1)'(4)?
A. 1/4 B. 1/6 C. 1/34 D. 6 E. 34
4 answers
146 views
Locate the relative extremum and point of inflection as ordered pairs: y = 3x − ln(3x).
1 answer
170 views
I was having trouble figuring this out, but would thrift shops be included in the GDP, especially since they could be considered
1 answer
270 views
How to calculate the atoms of each element in Fe2 (SO4)3?
And an explanation on how to calculate for other formulas.
2 answers
215 views
A tablet computer costs $189.69. It is marked up 30%.
What is the final price of the tablet computer after it is marked up?
2 answers
244 views
Zoe's pizza cost $12.99. She gave a tip of $2.00.
What percent did Zoe leave as a tip?
1 answer
261 views
A real estate agent sells a house for $92,000. She receives a 6% commission on the sale of the house.
How much did she earn on
5 answers
323 views
Every person at the park received a ticket. Of those tickets, only 45 were winning tickets. In a random sample of 25 people, 2
1 answer
243 views
how do you do this question with distributive property
3(4-2)+2(6-1) , the answer is 16 but for some reason i got 1 higher when i
1 answer
174 views
Will the following salt, NaNO2, dissolve in water to make an acidic, basic or neutral solution? (HNO2 Ka = 4.0 x 10-4)
1 answer
475 views
A small bug with a mass of 8g is sitting on the edge of a vinyl record spinning at 25 revolutions per minute (rpm). The radius
1 answer
292 views
A car rounds a curve on a level road. The radius of curvature of the road curve is 48 m, and the coefficient of friction between
1 answer
230 views
An airplane turns by banking the wings such that the lift of the wings has a component in the direction of the centre of the
3 answers
306 views
A rubber stopper with a mass of 50.0 g attached to a string is being rotated in a vertical circle with a radius of 0.72 m at a
3 answers
322 views
Show that if a, b, c, and d are integers, where a ≠ 0, such
that a ∣ c and b ∣ d, then ab ∣ cd.
3 answers
321 views
what mass of solute is needed to prepare 400 mL of 0.850 M CuSO4 from CuSO4.5H2O
2 answers
112 views
I need some help for this question:
Why did the British want to expand control into the Ohio Valley in the mid-1700s to force the
1 answer
193 views
cosx-sinx=1/4, find cosxsinx
1 answer
81 views
Is Al2 paramagnetic according to the MO theory?
1 answer
102 views
Which molecular orbital is the LUMO for P2?
1 answer
153 views
Maria wanted to bring back 5 million grains of sand from her trip to the beach. Each grain of sand weighs approximately 6.7 x
2 answers
314 views
Which statement is a correct description of the difference between these two numbers?
a:One of the numbers in standard form is
1 answer
123 views
Question 1 (1 point)
Which statement is NOT true?
1 answer
77 views
Divide 6.1 x 1020 by 3.2 x 105. Express your answer in scientific notation.
4 answers
228 views
find m angle 1
a. 103 degrees b. 13 degrees c. 77 degrees d. 26 degrees
1 answer
54 views
How excatly do you find the point of consumption on a CPF? Is it simlar to finding the point of production on a PPF?
1 answer
82 views
What is the bond order of the C-O bond in HCO2- ?
1 answer
87 views
1 evaluate -5g - 6 for g= -2
4**** 16 10 -13 2 write an algebraic expression for the sum of 3 coins and c coins c+3**** c/3 3c
1 answer
80 views
A circle has a circumference of 43.96 cm and a radius of 7 cm.
What number represents the ratio of the circumference to the
1 answer
99 views
A mixture of gases is heated and rises to the top of its container. Which statement best explains this result?
4 answers
201 views
Explain how humans use technology to store (potential) and/or use (kinetic) energy.
1 answer
103 views
“The army had nearly disbanded on several occasions during the winters of the war because of the weaknesses of the Continental
1 answer
95 views
The Bay of Pigs invasion was held in response to which event? (6 points)
The establishment of the Warsaw Pact The placement of
3 answers
74 views
The Bay of Pigs invasion was held in response to which event?
3 answers
78 views
How many atoms of chlorine (Cl) are in a molecule of phosphorus trichloride, PCl3?
a 3 b 2 c 1 d 0
2 answers
215 views
Which element does NOT have similar chemical properties to neon (Ne)?
a F b Xe c He d Ar
5 answers
184 views
Based on the information from the periodic table, which mistake did Darnell make on his diagram?
a Nitrogen should have eight
2 answers
191 views
Based on the information from the periodic table, which atom is shown in the diagram?
a beryllium b carbon c boron d nitrogen
1 answer
174 views
Simplify completely using exponent rules: x^5 x ^−3
2 answers
189 views
Simplify using exponent rules: 2x^2 x x^0
4 answers
155 views
2^5 is the same thing as 10. true or false
2 answers
218 views
Is x^−6
the same as 1/x^6
1 answer
58 views
Is x^3+x^3 = x^6?
2 answers
118 views
Simplify using exponent rules: x^4×x^10
3 answers
127 views
Which of the following genres includes texts that are composed of facts and data?
2 answers
238 views
What are the typical characteristics of the genre of science fiction? Select the two correct answers
3 answers
197 views
Which genre would an author choose to use if he or she were writing about the life of an agriculturist
7 answers
270 views
Starting in the year of 1989, I grew up in the rural town of Stratham in a classic colonial house near a farm. Every morning, my
4 answers
343 views
Read the following:
Though the mist was deftly creeping I saw the house’s outline was clear And followed along each road while
1 answer
197 views
How can the potential energy of an Olympic ski jumper be increased?
Responses A. by decreasing the length of the skis that the
1 answer
260 views
Who did the Creek and Cherokee align with during the American Revolution?
A. The American Colonists B. The British C. The Spanish
1 answer
120 views
What happened to William McIntosh after signing the Treaty of Indian Springs?
A. He was awarded land in Indian Territory for his
1 answer
178 views
Where did the Cherokee live in Georgia?
A. Coastal Plain B. Okefenokee Swamp C. Blue Ridge Mountains D. Barrier Islands
1 answer
104 views
Who was the leader of the Cherokee who thought the U.S. Supreme court would protect their rights to their land?
Major Ridge
1 answer
113 views
Who was the president of the United States that refused to enforce the ruling of the Supreme Court in Worcester v. Georgia?
Respo
1 answer
122 views
Simplify the expression and write your answer in Scientific Notation.
(5.8 x 10^−9 ) / (2.3 x 10^4 ) A. 2.5 x 10^−5 B. 13.3 x
3 answers
147 views
Simplify by adding the expressions and putting your answer in Scientific Notation.
(5.6 x 10^−6 ) + (1.5 x 10^−6 ) 7.1 x 10^0
1 answer
151 views
Simplify the expression and write your answer in Scientific Notation.
(7.4 x 10^11 ) x (8.2 x 10^−5 ) 60.68 x 10^6 6.07 x 10^7
2 answers
156 views
In what ways are the Delaware, Washington, Kansas, and Alaska constitutions similar and different to the U.S. constitution?
1 answer
148 views
Wanda has three times more shirts than her brother, Will.
The equation a = 3b, where a represents the number of shirts Wanda has,
1 answer
118 views
Using the line of best fit to approximate the temperature and sales correlation, what would be the approximate amount of sales
1 answer
137 views
Using the line of best fit to approximate the temperature and sales correlation, what would be the approximate amount of sales
1 answer
158 views
How do you find the solution to a systems of equations graphically?
1 answer
105 views
How could you check to see if the point (5, 6) is the solution to the Linear System of equations?
1 answer
121 views
2x + y = -8 y = 2x +4
1 answer
41 views
10x + 3y = -11 8x + 2y = -6
1 answer
50 views
The point (5, −3)
is a solution to which system of equations?
3 answers
54 views
The sum of two numbers is 22. Three times one number increased by five is 35. What are the two numbers?
1 answer
74 views
A company owns two dealerships, both of which sell cars and trucks. The first dealership sells a total of 164 cars and trucks.
3 answers
168 views
How many solutions does the system of equations have?
y = −2x +12 4y + x −20 = 0
4 answers
87 views
The point (5, −3)
is a solution to which system of equations? y=x−8 2x+y=7 y = x + 2 y = x + 5 y = x + 2 , , y = x + 5 y =
4 answers
75 views
R ≈ B >G
4 answers
67 views
Select the correct answer from each drop-down menu.
Tyanna counts the number of albums of each genre in her music collection. The
1 answer
125 views
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