Absolute value - practice problems - page 4 of 7
Direction: Solve each problem carefully and show your solution in each item.Number of problems found: 131
- Minutes 13551
What is the angle of the clock hands: a / at 16 hours 15 minutes b / v 8 hours and 4 minutes
- Inequality 12021
Solve on Z - inequality with absolute value: | x-18 | +4> 1
- Multiplying 11721
What do I get by multiplying the absolute value of -0.7 and the reciprocal number of 10? What do I get by dividing the opposite number by the number -14/8 and the reciprocal number to the number 4?
- Four-digit 10261
Roman likes magic and math. Last time he conjured three- or four-digit numbers like this: • created two new numbers from the given number by dividing it between digits in the place of hundreds and tens (e.g., from the number 581, he would get 5 and 81), •
- Calculate 9221
There are two sloths in the tree's branches. One is 2.5 m from the trunk, and the other is on the other side of the tree, 4 m from the trunk. The sloths head out to get to know each other. Calculate how far from the log they will meet if they climb at the
- Temperature difference 2
The temperature in London on New Year's Day is -2 degrees Celsius. The temperature in Prague on the same day is -14 degrees Celsius. What is the temperature difference between the two cities?
- Determine 8202
An observer watches two boats at depth angles of 64° and 48° from the top of the hill, which is 75 m above the lake level. Determine the distance between the boats if both boats and the observer are in the same vertical plane.
- Lighthouse
Marcel (point J) lies in the grass and sees the top of the tent (point T) and, behind it, the top of the lighthouse (P). | TT '| = 1.2m, | PP '| = 36m, | JT '| = 5m. Marcel lies 15 meters away from the sea (M). Calculate the lighthouse distance from the s
- Cube root
For 13, Sam wrote 2891 instead of the correct cube number. By how much was he wrong?
- Coordinates of square vertices
The ABCD square has the center S [−3, −2] and the vertex A [1, −3]. Find the coordinates of the other vertices of the square.
- Angle's 7852
The hour and minute hands on the clock face make an alpha angle. If you know it's 10 hours and 12 minutes, what is the angle's size?
- Numbers 7841
In the middle between the unknown number and the number 166 is the number a) 164, b) 200, c) 500 d) 1356 What are the unknown numbers?
- Double-digit 7736
How many double-digit numbers lie on the number axis closer to the number 31 than to the number 100?
- Vertices of a right triangle
Show that the points D(2,1), E(4,0), and F(5,7) are vertices of a right triangle.
- Three points
Three points: A (-3;-5), B (9;-10), and C (2;k). AB=AC What is the value of k?
- Temperature 7146
In the evening, Zuzana measured the air temperature at -2.4 °C. In the morning, she measured the temperature three times higher. What temperature did Zuzana measure in the morning?
- Number 6911
On the number axis, point P is the image of the number -2.54, and point Q is the image of the number 10.71. Find which number is the point R such that Q is the center of the line PR.
- Difference in temperatures
The temperature in the number line shows minus 15 degrees celsius and 8-degree celsius. What is the difference between the temperatures?
- Integer
Find the integer whose distance on the numerical axis from number 1 is two times smaller than the distance from number 6.
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