Suatu zarah bergerak sepanjang satu garis lurus melalui suatu titik tetap O. Lajunya, v ms-1 , diberi oleh v = 2t^2 + 9t +16, dengan t ialah masa dalam saat selepas meninggalkan titik tetap O. Cari masa apabila laju ialah 6ms-1.

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?