Divide and simplify.
−2/17÷−1/2
To divide and simplify -2/17 ÷ -1/2, we can proceed as follows:
Recall that dividing by a fraction is the same as multiplying by its reciprocal. The reciprocal of -1/2 is -2/1 or -2.
Therefore, we can rewrite the expression as:
-2/17 × -2
Multiplying -2/17 by -2 gives us:
(-2 × -2)/(17 × 1) = 4/17
So, -2/17 ÷ -1/2 simplifies to 4/17.
At West High School, 2/5
of the students play a sport. Of the students who play a sport, 1/4
play football. What fraction of the students at West High School play football?
Responses
A 110
1 10
B 13
1 3
C 15
1 5
D 23
2 3
E 29
To determine the fraction of students at West High School who play football, we need to multiply the fractions related to playing a sport and playing football.
The fraction of students at West High School who play a sport is 2/5.
The fraction of students who play a sport and play football is 1/4.
To find the fraction of students who play football, we multiply 2/5 and 1/4:
(2/5) * (1/4) = (2 * 1) / (5 * 4) = 2/20 = 1/10
Therefore, the fraction of students at West High School who play football is 1/10.
The corresponding answer is A: 1/10.
Write a 7th grade essay on
An invention you could not live without
Title: An Invention I Could Not Live Without
Introduction:
In today's rapidly advancing world, we are surrounded by numerous technological inventions that have become an integral part of our daily lives. Among them, there is one invention that I could not imagine living without. This invention has revolutionized the way we communicate, access information, and connect with people across the globe. The invention I am referring to is none other than the smartphone.
Body:
First and foremost, the feature that makes the smartphone indispensable is its ability to connect us with the world. Whether it's staying in touch with friends and family or networking professionally, a smartphone allows us to communicate effortlessly through calls, text messages, and various messaging applications. It has become a lifeline, allowing us to stay connected no matter where we are.
Moreover, smartphones have transformed the way we access and consume information. Gone are the days when we had to rely on physical books or be limited to the information available in our immediate surroundings. With just a few taps on a smartphone, we have access to a vast sea of knowledge, right at our fingertips. From educational resources and news updates to tutorials and research materials, the smartphone enables seamless and instant information retrieval.
In addition, the smartphone functions as an all-in-one entertainment device. Whether it's listening to music, watching videos, or playing games, it provides a plethora of options to keep us entertained during long commutes or leisure time. Moreover, it serves as a portable camera, capturing precious moments and enabling us to instantly share them with others. The smartphone has indeed replaced multiple standalone gadgets and consolidated them into one convenient device.
Furthermore, smartphones have become an indispensable tool for organization and productivity. With a myriad of helpful applications, they help us manage our schedules, set reminders, create to-do lists, and even track our health and fitness goals. From academic purposes to professional endeavors, a smartphone eliminates the need for bulky planners and notebooks, offering a compact and efficient solution.
Conclusion:
In conclusion, the smartphone is an invention that has transformed the way we live our lives. It has become an essential tool for communication, information access, entertainment, organization, and productivity. The convenience it offers, the connectivity it provides, and the endless possibilities it presents are unparalleled. It has become an irreplaceable part of our lives, enabling us to navigate through this fast-paced, technology-driven world. As a 7th grader who has grown up in the digital age, I cannot imagine my life without the remarkable invention of the smartphone.
−0.539 ÷ (−0.11) =
Responses
A 5.45.4
B 4.94.9
C −4.9−4.9
D −5.4
To divide -0.539 by -0.11, we can proceed as follows:
-0.539 ÷ (-0.11) = 0.539 ÷ 0.11
By dividing 0.539 by 0.11, we get:
0.539 ÷ 0.11 = 4.9
Therefore, -0.539 ÷ (-0.11) is equal to 4.9.
The corresponding answer is B: 4.9.
Reynold has 3/10
of the race left to run.
Which value is equivalent to 3/10
?
Responses
A 0.030.03
B 33%33%
C 32%32%
D 0.3
To determine the value equivalent to 3/10, we can convert the fraction to a decimal or a percentage.
Option A: 0.03 - This decimal represents 3 hundredths, which is equivalent to 3/100 or 3%.
Option B: 33% - This percentage represents 33 hundredths, which is equivalent to 33/100 or 33/100.
Option C: 32% - This percentage represents 32 hundredths, which is not equivalent to 3/10.
Option D: 0.3 - This decimal represents 3 tenths, which is equivalent to 3/10 or 30/100 or 30%.
Therefore, the value equivalent to 3/10 is represented by option D: 0.3.
In Jamie's class, 1/5
of the students are boys. What percent of the students in Jamie’s class are boys?
Responses
A 1.5%1.5%
B 5%5%
C 15%15%
D 20%20%