Which expression represents the phrase, "half the sum of 10 and a number"? 12x+10

12 (10+x)

12+10+x

12 (10) + x

What is the reciprocal of 1 7/13?

5 (3 2) = 15 10 is an example of the associative property for addition. True False

A poll was conducted in which every 49th student entering a school is polled. There were 496 students that entered the school on the day of the poll. Which type of sampling was used? systematic stratified cluster convenience

A bag had 100 mangoes. 2/5 are rotten and 1/3 are green. How many mangoes are ripe?

Jackson can lay 6000 ft2 of tile in 3h. What is Jackson's tile-laying rate?

In triangle ABC, the measure of the angles are 2x, x, and 3x respectively. What is the measure of angle B?

A diderenca do carro azul 1/2e so verde 1/4

Convert the following measurements. 13 miles to yard

The coordinates A (0, 0), B (0, 3), C (3, 3) and D (3, 0) are graphed and connected together. What 3-dimensional shape will be created when this shape is rotated about the y-axis?

29. New grass seeds grow rapidly. A grass seed has grown to 0.3 millimeters tall. Tomorrow it will be 0.9 millimeters tall, the next day it will be 1.5 millimeters tall, and on the next day it will be 2.1 millimeters tall.