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Jack
Questions (1,128)
Josh has a master’s degree in business administration and supply chain management. What company might be in interested in
1 answer
253 views
Divide in Scientific Notation Practice Complete this assessment to review what you've learned. It will not count toward your
1 answer
125 views
Divide in Scientific Notation Practice Complete this assessment to review what you've learned. It will not count toward your
1 answer
125 views
A rectangular park has an area of 1.36×108 ft2 . The length of the park is 1.6×104 ft. Divide the area by the length to find
9 answers
164 views
Add 7.3×107+1.8×107 . Which is the correct sum?(1 point) Responses
9.1+10^7 9.1×10^14 8.1×10^7 9.1×10^7
7 answers
364 views
Alberto added two very small numbers using a calculator. The calculator displayed the number 6.13E−14 . What is this number in
5 answers
416 views
3.
Malik is a mechanical engineer who works for a large paper manufacturing company. What would be one task that Malik might
29 answers
175 views
Does anyone know all the answers to the Force and Motion Unit Test.
2 answers
392 views
Hi, can I have someone who can help me with the Force and Motion Unit Test please. This is Question3: Drag and drop the
5 answers
225 views
Drag and drop the vocabulary word with it's matching definition. (8 points)
3 answers
179 views
3^-17/8^-14=
1 answer
47 views
12^-5* 12^7
1 answer
63 views
The probability of Kaizer Chiefs beating Orlando Pirates in a soccer match
1 answer
99 views
Could someone please help me with a summary for this Please!
Thank You! Station #1 Answers For HNO2 molecules. It is an acid
1 answer
101 views
PLS HELP
MESOPOTAMIA AND ANCIENT EGYPT . In what present-day countries can the sites of your civilizations be found? 2. What is
2 answers
333 views
What is the main reason you would use an object to help you understand a topic?
Responses It allows you to see something real. It
0 answers
238 views
Given: C is the midpoint of BD. D is the midpoint of CE.
Prove: BD ≅ CE
0 answers
83 views
using the radio of 5/3 meters /second, can Xavier complete a 100 meter race in 55 seconds?
1 answer
90 views
Walter practices piano for 1/4 hour a half hour or 3/4 hour every other day if in line plot shows two x's above each value of
2 answers
251 views
Which of the following characteristics of the us economy can be defined as the concept that buyers through their purchases which
1 answer
213 views
True or False: President Hoover originally believed in Laissez Faire policies- he thought the economy would correct itself and
1 answer
529 views
On the first day of the year, your parents gave you 1 penny. On the second day, they gave you two pennies. On the third day,
1 answer
264 views
−7x−50≤−1 AND−6x+70>−2
1 answer
912 views
Regression equation: H=36.1-0.57T (H is Candle height in cm and T is the burn time in min.
a) comment on the appropriateness of
2 answers
393 views
Hi, same ques. again
1/3log(base5) 3x + log(base5) 4=3 If the starting is this: log(base5)3x^1/3+log(base5)4=3 What would be the
2 answers
262 views
1/3log(base5) 3x + log(base5) 4=3
what I meant is: 1/3=one-third ,log5= log(base5)
1 answer
269 views
Hi guys,
how to solve this: 1/3 log(base5) 3x + log(base5) 4=3 Please help math hero
3 answers
273 views
(6^3n)^3 = (36^9n)^4 exactly what you have meant, this is the equation need to solve.
2 answers
250 views
Solve and simplify for n, note that here n is not equal to 0.
6^3n^3 =36^9n^4 How to do this log-based question? Is anyone can
2 answers
224 views
Calculate the molarity of a concentrated solution of hydrochloric acid that is 47.7% by mass HCl; the density of the solution is
1 answer
290 views
A spinner with 15 equal parts is spun one time what is the probability that the result is a multiple of 6 or 4
2 answers
2,051 views
On a coordinate grid with both the x values and the y values between –6 and 6 represent: a) x > 4
1 answer
203 views
write 3.504 in expanded, word and fraction form
2 answers
409 views
What was the main result of the encomienda system?
0 answers
245 views
You deposit $4000 in an account that pays 8 % interest compounded semiannually. After 2 years, the interest rate is
1 answer
575 views
Why can't the Eukaryotic cell function or exist without the Endomembrane system?
0 answers
199 views
find the area of a rectangle with a length of (x^2+2x-3) and a width of (x+6)
2 answers
246 views
The low temperature during 4 days in August were 83 degrees, 80 degrees, 82 degrees, and 83 degrees.
What was the mean low
1 answer
248 views
When P(x) is divided by (x-1) and (x+3), the remainders are 4 and 104 respectively. When P(x) is divided by x^2-x+1 the quotient
1 answer
246 views
Sketch a graph of a fifth-degree polynomial f(x) such that f(x) < 0 when x< -2 or 4 < x < 7, and f(x)>0 when -2<x<0, 0<x<4 or
1 answer
241 views
Sketch a graph of a fifth-degree polynomial f(x) such that f(x) < 0 when x< -2 or 4 < x < 7, and f(x)>0 when -2<x<0, 0<x<4 or
1 answer
487 views
When P(x) is divided by (x-1) and (x+3), the remainders are 4 and 104 respectively. When P(x) is divided by x^2-x+1 the quotient
1 answer
913 views
You have 300 feet of fence. You need to build a garden, where 3 walls are fence and the 4th wall is your house. What is the
1 answer
378 views
A flower shop plans to make an outdoor garden sales area. It is in a rectangle on the main store. The garden area will be fenced
1 answer
289 views
Suggest two things that one can do before writing the test or examination to reduce anxiety or stress
2 answers
407 views
A bag contains 4 blue marbles, 10 green marbles, and 11 yellow marbles. You draw a marble, put it back in the bag, and then draw
1 answer
541 views
Based on the chemical reaction below, answer the following questions:
2NH3 + 3CuO ---> 3Cu + N2 + 3H2O 1. How many grams of CuO
1 answer
411 views
Based on the chemical reaction below, answer the following questions:
2NH3 + 3CuO ---> 3Cu + N2 + 3H2O 1. How many grams of CuO
1 answer
598 views
Hannah’s favorite toy character is sold wearing one of many outfits. An outfit consists of one shirt, one pair of pants, and
2 answers
885 views
What information is represented in a chemical formula
1 answer
384 views
How would you do this problem, I am stuck.
Find the Taylor series of f(x)=1/x centered at x=2.
1 answer
587 views
The students make a line plot named "Candles Sold." Which of the following is a good scale for their line plot?
1 answer
299 views
1. Rewrite the following passage in first person AND in third person omniscient: EighteenFiona on his left, was called. Jonas
0 answers
427 views
The sum of the lengths of the sides of one triangle equals the sum of the lengths of the sides of a second triangle. Are the two
2 answers
1,934 views
Lea is reading a book that is 165 pages. She reads 15 pages each day. Which equation can be used to determine the number of
0 answers
311 views
tanh^-1x=ln((1+x)/(1-x))/2
1 answer
283 views
If you roll a number cube (die), what is the percent of rolling a one or two?
6 answers
488 views
The product of b and 8 is less than 20.
1 answer
186 views
Hi. I'm new here. I don't use brainly any more because it's not working and I hate the moderators. I don't know much about this
2 answers
352 views
Could i get some help please? thank you
The Peace Corps carries forth the idea that Americans have a vast ability to help the
0 answers
305 views
State the integers represented by -4 < x < 2
1 answer
241 views
rip so hard to win like this 3 2 1 Let It Rip like that
1 answer
187 views
Passage: Not much can be achieved by the naked hand or by the unaided intellect. Tasks are carried through by tools and helps,
0 answers
392 views
An excess of silver nitrate solution was added to 10.0cm3of sodium chloride solution, and 0.717g of silver chloride was
1 answer
1,466 views
Which period is older than the Triassic period?
Cambrian Cretaceous Jurassic Paleogene
0 answers
1,070 views
There are some goats, cows, and sheep on a farm. 2/5 of the animals were goats. There are 3 times as many sheep as cows. If
2 answers
1,355 views
The measure of angle X is 9 degrees more than twice the measure of angle Y. If angle Upper X and angle Y are supplementary
1 answer
1,283 views
Explain why the demand for workers increases as they become more productive, even though higher productivity means a worker will
1 answer
346 views
what woukd the shaded region be if one circle had the radius of 9 and the other circle had a radius of 4?
0 answers
213 views
A blue and a green billiard ball, each with a mass of 0.15 kg, collide directly. Before the collision, the blue ball had a speed
5 answers
2,496 views
Evaluate the following expression: [5 - (5 - 7(6 - 3) + 4)] + 2
1 answer
262 views
A recent forest fire near Littleville destroyed four-fifths of the trees in Bigtree National Forest. The forest covers 4920
2 answers
730 views
I have a very important test (mathematics).
I need help with quadratic equations and trapezoid calculator, I can't understand
1 answer
398 views
Consider the function below.
A(x) = x squt (x + 12) Find the local maximum value I tried to plug in f(-12) in to A(x) results = 0
2 answers
466 views
A 210 degrees of a sector of radius 5cm is bent on form cone. For the fone formed find a.the base radius of the cone b.the
1 answer
879 views
An urn contains white and green balls. Six balls are randomly drawn from the urn in succession, with replacement. That is, after
1 answer
762 views
x^2+9x+20=0
Solve using quadratic formula
1 answer
527 views
Hi, can you help me create an attention grabber in which someone breaks the law to honor their loved one?
0 answers
324 views
I really need help!!! I was out of school for a week because I was visiting my grandmother and I missed school I took vacation
6 answers
544 views
What mass of CH3CH3 will contain 18.65 g of carbon?
I'm getting so confused with this Q. Any help is very much appreciated.
1 answer
332 views
Simplify. Express each answer with positive exponents.
5a(-2ab^2)(-3b^3)
1 answer
503 views
For the gaseous compound C3H8, calculate the partial pressure of C3H8 in a gaseous mixture of equal masses of C3H8 and CH4 at
2 answers
605 views
For the gaseous compound C3H8, calculate the density of the gas in g L–1 at 0 °C and 1 atm.
I'm pretty sure I have to us
2 answers
1,013 views
Exactly 500 cm3 of nitrogen is collected over water at 25°C and 755 mmHg. The gas is saturated with water
vapour. Calculate the
1 answer
650 views
By means of ion/electron part equations, write fully balanced equations for the following reaction: the production of hydrogen
2 answers
470 views
150.0 mL of 0.105 M aluminium sulfate is mixed with 250.0 mL of 0.198 M barium chloride. What mass of barium sulfate would be
6 answers
470 views
What is the molarity of a solution which contains 10.0 mg aluminium ions per cm3 solution?
Thanks to anyone who helps
1 answer
304 views
Consider the following two equations used in the preparation of KMnO4:
2 MnO2 + 4 KOH + O2 → 2 K2MnO4 + 2 H2O 3 K2MnO4 + 4 CO2
1 answer
779 views
A solution is made by dissolving 6.4 g of bromine (Br2) in enough CCl4 to make 80 mL of solution. What is the molarity of the
1 answer
761 views
An aqueous solution labelled 35.0% w/w HClO4 has a density of 1.251 g cm¯3. What is the molarity of the solution?
My answer is
2 answers
1,127 views
a) Fe2O3 b) Ca3P2
How many atoms of each element are contained in 200 g of each of the above compounds?
2 answers
442 views
How many moles of ammonia will contain 1.55 x 1021 atoms of hydrogen?
Thanks for any help
2 answers
494 views
How many grams of H are in 1 mole of methane?
I don't understand this. I got 16.1 but it's wrong. Any help is much appreciated
3 answers
383 views
Which of the following is NOT a spontaneous reaction?
a. Ice melting at 25 °C under atmospheric pressure b. Water freezing at 25
2 answers
765 views
A student in a lab heats up 50 g of water using a Bunsen burner and an insulated cup to ensure no heat loss to surroundings. The
1 answer
635 views
The enthalpy of atomisation is the enthalpy change upon breaking the bonds of 1 mole of a gaseous compound into its atom
1 answer
1,318 views
In the decomposition of CaCO3 a gas is produced: CaCO3 (s) → CaO (s) + CO2 (g). Predict the change in entropy for this
1 answer
814 views
Calculate the enthalpy change for the reaction: Zn (s) + S (s) + 2 O2 (g) → ZnSO4 (s) ΔH = ? kJ by using the following data:
Z
2 answers
3,576 views
The partial pressures of the four gases contained in a 6 L cylinder at 100 °C were: CO2 = 63.1 atm; H2 = 21.1atm; CO = 84.2
3 answers
985 views
If 200 cm3 of H2 gas contained in a cylinder under a pressure of 1200 mmHg are forced into a cylinder whose volume is 400 cm3
1 answer
827 views
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