Questions in mathematics

Questions in mathematics

[Jawaban] Solve for x. \[ 3x - 1 = 3x + 7 \]

[Jawaban] Davis knows that the area of his square-shaped bag is 81 ft². What is the length of any side of the bag?

[Jawaban] Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 25 birds. How many more robins did she see than cardinals?

[Jawaban] Round 67,000 to the nearest ten thousand.

[Jawaban] According to the 2000 US Census, 138,053,563 Americans are male and 143,368,343 Americans are female. About what percent of the population is male? Round to the nearest percent.

[Jawaban] Bicycles: An assembly line worker at Rob's Bicycle factory adds a seat to a bicycle at a rate of 2 seats in 11 minutes. Write a proportion relating the number of seats \(s\) to the number of minutes \(m\). At this rate, how long will it take to add 16 seats? 19 seats?

[Jawaban] Of 350 male athletes at a high school, some play only basketball, some play only baseball, and some do both. If 250 males play basketball, and 120 play both sports, how many of the males play baseball? A. 100 B. 220 C. 130 D. 120

[Jawaban] 0.1 is 1/10 of what number? 0.09 is 1/10 of what number?

[Jawaban] Find the first five terms of [tex]n^2 + 5[/tex].

[Jawaban] If 5 choc ices cost 330p, how much do 9 choc ices cost?