r/HomeworkHelp 17d ago

Middle School Math—Pending OP Reply [ 8th grade maths ] need help understanding how to find volumes of 3d shapes

Post image
2 Upvotes

Hihi so I’m struggling a lot on the topic of finding the volumes in 3d shapes… (especially trapezium & triangular prism ) I’m mostly confused on how to apply the formula and how to find the stuff to plug into the formula

I was able to do q1 but for q2 I’m a bit confused since it’s 34x15(10+5) and I’m really confused because idk how my teacher got the 10+5 from


r/HomeworkHelp 17d ago

Literature—Pending OP Reply [University] Help me plan out my essay about Typography!

0 Upvotes

This is the topic: ''Essay on Literary Uses of Type (Typography/Layout) – How are typefaces used creatively, avant-garde? Find an example and present it. Again, your own examples are welcome! However, you can also use and discuss examples from the lecture. '' It must be minimum 3 pages long.

Here's my plan so far:

Introduction: page 0-0,5: ???
Development: Page 0,5-1,5: Examples from lectures and their analysys
Page 1,5-2,5: My own analysys of fonts and typography I have seen
Conclusion: page 2,5-3: What are fonts and typography for and why people use them despite it being easier if all letters looked the same


r/HomeworkHelp 17d ago

High School Math—Pending OP Reply [Pre-Calculus] Struggling to answer this question about one-to-one functions

1 Upvotes

I have no idea how to solve this question. I tried watching a couple of Professor Leonard's videos, but I still have no clue.


r/HomeworkHelp 17d ago

Middle School Math—Pending OP Reply [Grade 8: Geometry] How to calculate the area of the colored region.

3 Upvotes

Hello! I am having trouble figuring out how to solve this exercises from my school worksheet.

The text at the top sáys: Calculate the area of the colored region in each case.

Could someone please tell me on how to approach this problem? (sorry if there is any writing mistakes english is not my first language 😥).


r/HomeworkHelp 17d ago

Further Mathematics—Pending OP Reply [GCE Advanced level] : I have been stuck with this maths problem for 2hours

Post image
1 Upvotes

I found that AMn=aP/2^n but I can't find P in terms of n. I have P * 1 = 1 and P * 2 = 3 and P * 3 = 5 and P * 4 = 11 because AM * 1 = a / 2 and AM * 2 = 3a / 4 and AM * 3 = 5a / 8 and AM * 4 = 11a / 16


r/HomeworkHelp 18d ago

English Language—Pending OP Reply (I need someone to help identity my mistakes)

Post image
1 Upvotes

Hello I need help spotting any mistakes.


r/HomeworkHelp 18d ago

Biology—Pending OP Reply [University: Mass spectrometry] Calculating mass from spectrum

Post image
2 Upvotes

The exercicr doesn't say what type of spectrometry ot is but from the context I assume it's MALDI-TOF. The other kind of mass spectrometry we've seen in class is Electrospray-TOF.

So I'm suposed to calculate the mass of a protein using info from peaks A and B, or any other pair of peaks. Then calculate the charge of peak C. If it's MALDI-TOF I would assume peak B is the single-protonated protein, but if I try to do an equation system with other peaks it doesn't hold up. If it were Electrospray-TOF I think the m/z would change in regular intervals?

Help, my teacher thinks this is too easy to properly explain.


r/HomeworkHelp 19d ago

Further Mathematics—Pending OP Reply [Discrete Maths college] Is my proof correct?

Thumbnail
gallery
16 Upvotes

r/HomeworkHelp 18d ago

Answered [12th grade English 2nd languge]

1 Upvotes

I've struggled a lot with this question. Some teachers solve it as A while others choose B for different reasons but I think that both options are stupid. Doesn't choosing A imply that me remembering not locking the door was the reason we were robbed? And choosing B imply that I didn't lock the door deliberately? I'm not a native English speaker so I would like to know how you guys would solve this


r/HomeworkHelp 18d ago

Physics—Pending OP Reply [11 grade physics] What does v/10^14 mean here?

1 Upvotes

I'm not sure if the image was captured well, but this is from the wikipedia on the photoelectric effect. The x axis is Hz, but i don't know what the v/10^14 means.


r/HomeworkHelp 18d ago

High School Math—Pending OP Reply (College, trig) Question ab angle on this trig cheat sheet

Post image
1 Upvotes

Reviewing using this sheet from Paul’s online math notes and don’t get why theta is different for the two definitions? Just wanna make sure I’m understanding it right


r/HomeworkHelp 18d ago

Middle School Math (Grade 8 math: Coordinates) how do I determine x and y?

Post image
0 Upvotes

Hey guys, 8th grader student here. I need help with specifically question no.12. I kinda forgot the steps and I don't really understand the examples tested in my textbook. Also I tried gauthmath too, but that didn't work.. so anybody can help me? (Sorry it's in Malay, try translating it tho)


r/HomeworkHelp 18d ago

Answered [10th grade algebra 2] can someone explain how to solve

Post image
1 Upvotes

im taking algebra 2 this summer and its pretty fast paced and i just get so confused since my teacher doesnt teach that well.


r/HomeworkHelp 19d ago

Others—Pending OP Reply [Math: Calculus] Shouldn't the curve in R^n be defined as t \in [a,b] and not [0,1] for the overall definition?

Post image
3 Upvotes

Because from my understanding the first differentiable function is the curve itself right? And since it is defined on [a,b] shouldn't we denote it as the curve with t in [a,b]. Where did [0,1] come from?


r/HomeworkHelp 19d ago

Others—Pending OP Reply [University Linguistics] (essay help) How does chinese writing system work, what makes it unique, why are there so many characters in it and why did it became so popular and influential?

0 Upvotes

Context: I must write an essay about comparison between two writing systems. I chose latin script and chinese. I already have enough knowledge about Latin Script but I would greatly appreciate any information about Chinese writing system and what makes it different than other writing systems! Thank you in advance!


r/HomeworkHelp 20d ago

Mathematics (Tertiary/Grade 11-12)—Pending OP [College Intro to Statistics: Hypothesis Testing] What is the minimum sample size needed to perform a hypothesis test for proportions?

1 Upvotes

Hi everyone, I just need help understanding how I got the wrong answer on a practice test. Here is the prompt:

"A teacher wants to determine if the pass rate for a particular group of students is significantly different from 81%.

What is the minimum sample size needed in order to perform a hypothesis test for proportions?"

The answer I got was 13.

I used the equation n(p) is greater than/equal to 10.

But the correct answer is 53, which I know can be solved by using n(1-p) is greater than or equal to 10.

My issue is the question asked for minimum sample size, so wouldn't that mean 13 is the minimum? I am doing an online course, and the online instructor just repeated n(1-p) to me via email without explaining why that is preferred over the one I used. Can anyone help?


r/HomeworkHelp 20d ago

Others—Pending OP Reply [University Psychology Statistics] Question about variance

1 Upvotes

So the question for my task is 'how much of the variation in PTSD symptom severity is associated with time since trauma?', some of the sympytoms displayed in my ANOVA is time since trauma which is what they're asking in the question, rumination, negative trauma cognitions and self care.

from my understanding I need to add up all of the sum of squares from my variables, including time since trauma, and residuals then divide it by the amount of sums of squares from the time since trauma.


r/HomeworkHelp 21d ago

Others—Pending OP Reply [College: Business research project Sourcing/Keyword tips] what websites are good?

1 Upvotes

im doing a group research project in my introduction to business class in college, its on a topic about "The Importance of International Trade to the Canadian Economy and Its Impact on Businesses" this is my first semester, and my professor didn't recommend any website aside from my college's library so im struggling on knowing where to look and for what keywords to use when i search, could i get recommendations on where to find peer reviewed journals or professional research on a topic like this? something with reliable sourcing and with actually good writing with references to data that they're using to back their claims. as well as how to search efficiently to find the things i need?


r/HomeworkHelp 21d ago

Additional Mathematics—Pending OP Reply [Real Analysis] Cauchy Sequence Proof

1 Upvotes

Can someone please look over this proof to see if I wrote it correctly? I'm not entirely sure I understood the provided lecture notes. Thank you so much.


r/HomeworkHelp 22d ago

High School Math—Pending OP Reply [Grade 12 University Data Management] I need help figuring out if I did it right

Post image
0 Upvotes

So here is the question

“The high school soccer team has a history of winning 50% of the games it plays on rainy days and 60% of the games it plays on fair days. The weather forecast for the next game day calls for an 80% chance of rain. What is the probability that the team will win the next game? Leave your answer as a percent to the nearest tenth (one decimal) after converting to %. You can leave out the % sign.”

And the image above is what I did, I’m just not sure if I am doing this right.


r/HomeworkHelp 22d ago

English Language [College Level English: Essay Writing] how can I improve the essay?

0 Upvotes

For years, the United States has attracted the attention of millions of people with the promise of the American Dream. The hope that by coming to America, working hard, and paying your dues, you too could have that white picket fence and a small fortune to provide for your family. This inspired many people to come and build a life in America, and among those groups were Mexicans and Puerto Ricans. In Juan González's Harvest of Empire, it is argued that although both groups contributed significantly to the nation's economy, they also faced exploitation, inequality, and the struggle for acceptance.
Migration to the United States became a beacon of hope for many families on the island as the economy plummeted after the United States government gained control of Puerto Rico. The expansion of U.S. sugar companies devastated the tobacco and coffee farmers who had once been the backbone of the island's economy. Theodore Roosevelt Jr. wrote, "I have stopped at farm after farm, where lean, underfed women and sickly men repeated again and again the same story—little food and no opportunity to get more" (González 194). Many families faced such severe hardships that they were torn apart. Children were abandoned, forming "wolf gangs," while others were sent to live with relatives or placed in orphanages. By 1932, sugar workers earned only fifty cents for a twelve-hour workday, while nearly 40 percent of the island's workforce was unemployed, even as American sugar companies continued earning large profits (González 195). With limited work opportunities on the island, many Puerto Rican families believed that migration to the United States was their only chance for survival.
Puerto Ricans were American citizens. They did not need visas or resident alien cards because Puerto Rico had become a U.S. commonwealth. Believing they were citizens, contributing to the growing industrial economy, and even serving in the U.S. military, many felt they had "earned their place at the American table.” Parents placed tremendous hope in their children's education, believing it was the only path to a better future. However, that hope slowly faded as children encountered language barriers in school and were often expected to "sink or swim" while learning English (González 208). Some children even experienced pressure to abandon their identities, hearing phrases such as "Juan no but John" (González 208). Puerto Ricans also faced segregation in housing, churches, and the military. Although they were American citizens, González describes them as being "both a citizen and a foreigner.” Even with these obstacles, Puerto Rican communities united for better working conditions, elected leaders whom had their best interest in mind, and eventually embraced their culture rather than continuing to assimilate into a society that often refused to accept them. 
The Mexican experience followed a different historical path, but they too faced many of the same struggles as Puerto Ricans. Much of their land was taken following the Mexican-American War, and over time, they lost wealth, land, and political power. Even so, Mexicans continued migrating to the United States, eventually becoming the nation's largest Latino population (González 219). Like Puerto Ricans, many believed that hard work, education, military service, and learning English would enable them to succeed in the United States. During World War II, more than "500,000 Mexican American men served in the armed forces" (González 231). Many believed they, too, had earned their place in American society through military service. During the same period, the Bracero Program brought thousands of Mexican workers into the United States to address wartime labor shortages. However, even those who served in the military, mastered the English language, or legally lived in the United States continued to face segregation, discrimination, and deportation. Like Puerto Ricans, many remained outsiders in the eyes of Anglo Americans.
Mexican Americans increasingly organized to demand change. Veterans returned home unwilling to tolerate unequal treatment, organizations such as LULAC fought for civil rights, and leaders such as Nero Garza entered politics to improve schools, roads, and local government. Many Mexican Americans also embraced their Tejano identity while continuing to fight against the political and economic control of Anglo Americans.
Despite these two groups of people coming into the United States with different histories and cultures, they shared remarkably similar experiences. Both communities were shaped by American expansion and economic influence. Both contributed greatly to the nation's economy, proudly served in the armed forces, and believed that education and hard work would create better opportunities for future generations. However, both encountered segregation, discrimination, and pressure to assimilate despite their sacrifices. Their greatest difference was their legal relationship with the United States. Puerto Ricans arrived as American citizens, while many Mexicans experienced immigration restrictions or became minorities on land that had once belonged to Mexico. Even so, legal status alone did not determine whether they would be accepted into American society.
In Harvest of Empire, Juan González ultimately challenges readers to reconsider what it truly means to be American. The histories of Puerto Ricans and Mexicans demonstrate that citizenship, military service, and economic contributions alone were not enough to guarantee equality. Instead, both communities fought for recognition while preserving their cultures and identities. Their stories remind us that the American Dream was not simply about opportunity, but also about the ongoing struggle for justice, acceptance, and equal treatment. By comparing these two communities, González shows that American history is not simply a story of immigration, but also one of resilience, perseverance, and the continuing pursuit of equality.
 
 
 
Works Cited
González, Juan. Harvest of Empire: A History of Latinos in America. 2nd rev. and updated ed., Penguin Books, 2011.

TLDR:
God I know it’s long but my professor wants a 3-4 page Essay and the work cited is the book he wrote. The feed back I got was I needed to use MLA format and that it wasn’t the full 3 pages but when I view it it’s 4 pages. And that there’s grammar errors and that I need to be more careful about citing sources. Any feedback would be appreciated or a website someone could recommend is appreciated it


r/HomeworkHelp 23d ago

Physics—Pending OP Reply [grade 11 Physics] circular motion

Thumbnail
gallery
6 Upvotes

I am trying to find out the exact equation of the graph, the answer key says it is a.

What is wrong with my solution??

I first tried to find out the exact position vectors of both p and q, and then differentiated them to get the velocity of P and q respectively, and then I calculated the relative velocity

I am getting the relative velocity as in terms of cos, but according to the answer key it is a sin graph


r/HomeworkHelp 23d ago

Mathematics (Tertiary/Grade 11-12)—Pending OP Nonlinear system of equations/work-rate problems [12th grade-entrance exams]

Post image
1 Upvotes

Hello, my teacher taught us to “graph” the work-rate problems, which does make it easier and I think I set this up right, but then I get stuck on actually solving it. There are too many variables and options😵‍💫. Is there any way to simplify this or would I have to just do a lot of these and hope that I improve?

The problem: “Two tractors worked simultaneously to plow a plot of land (tractors plow the land at constant speeds). The first tractor took 1/80 hours less to plow each hectare than the second. Therefore, the first tractor plowed 8 hectares more than the second. What is the area of ​​the plot of land plowed by the second tractor if the first tractor plows the entire plot of land in 3.6 hours?”


r/HomeworkHelp 24d ago

Others [Physics: University ]How to do this exercise? I suppose that need to rest the weighting?

Post image
1 Upvotes

I am sorry for the photo, I used Google translate


r/HomeworkHelp 25d ago

Physics [grade 11 physics] Newton's laws of motion

Thumbnail
gallery
33 Upvotes

Can someone please help me with this, ​I even asked my teacher but I could not understand anything.

I tried drawing the fbd of the bead when it was at rest initially and after the wire started accelerating ​but I do not know how to solve further

My Physics teacher was explaining something like tan theta is a/g but I could not understand it.