Mathematics, 11.11.2020 05:30 cooltez100
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1. In 2009 research showed that the United States and Japan topped the charts in number of social media and blog users, with a combined number of 188,610 users. The number of social media and blog users in the U. S. was 2,378 more than three times the number of social media and blog users in Japan. Write a system of equations that models the number of social media and blog users for the U. S. and Japan. Let x represent the number of users in the U. S., and let y represent the number of users in Japan.
Write the equations and solve. How many users are there in each country?
2. Currently, Jacob’s mother is three more than nine times as old as Jacob. In eleven years, his mother will be five more than three times his age. Write a system of linear equations that models this situation. Let j represent Jacob's age, and let m represent his mother's age.
Write an equation that relates Jacob and his mother's current ages. Solve the system of equations.
What are their ages?
3. Solve the systems of equations.
(Screen shot 1)
4. The sum of seven times a number and three times a second number is 54. If the first number is two more than the second number, what are the two numbers? Write a system of equations that can be used to find the numbers. Let x represent the first number, and let y represent the second number. Solve the system of equations. The two numbers are?
5. Screen Shot 2
Answers: 1
Mathematics, 21.06.2019 13:30
The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?
Answers: 3
Mathematics, 21.06.2019 22:00
Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.
Answers: 1
Mathematics, 21.06.2019 23:30
Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x
Answers: 1
PLEASE ANSWER QUICKLY
Answer correctly, I will report false answers!!! (False answers=goofy answers...
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