# Line - practice problems

#### Number of problems found: 410

- Danny

Danny made a mistake in the following problem. Line 1: 21 + 35 ÷ 7 + 6(2) Line 2: 21 + 5 + 6(2) Line 3: 21 + 11(2) Line 4:21 + 22 Line 5: 43 On what line the mistake was made? Only input the number of the first incorrect line. - Figure 2

Figure A maps to figure B with a scale factor of 0.75. The length of the line AB segment in figure A is 10. What is its length on the image in figure B? - Polygon 3

Polygon ABCD is dilated, rotated, and translated to form polygon QWER. The endpoints A, B are at (0, -7) and (8, 8), and the endpoints QW are at (6, -6) and (2, 1.5). What is the scale factor of the dilation? - Equilateral 75284

Given are 6 line segments with lengths of 3 cm, 4 cm, 5 cm, 7 cm, 8 cm, and 9 cm. How many equilateral triangles can make from them? List all the options. - Estimate linear fx

Which of the following is the best estimate for the temperature at 11 pm if the temperature continues to drop at the same rate? time; temperature °C 3 PM; 32 6PM; 30 12PM; 20 - Intersection of Q2 with line

The equation of a curve C is y=2x² - 8x +9 and the equation of a line L is x + y=3. (1) Find the x-coordinates of the points of intersection of L and C. (ii) show that one of these points is also the - Equal distance

Find the equation for all the points (x, y,) that are equal in distance from the points A(5,-2) and B(-2,10)? - Water 63

Water was heated at the rate of 6°c per minute for 14 minutes. It then cooled at the rate of 8°c per minute. What will be its temperature after 24 minutes if its original temperature was 40°c? - The slope

Find the slope of the line that passes through the following two points: (-3, 16) and (-5, 30) Give your answer as a number, rounded to the nearest tenth, if necessary. - Which 12

Which table shows a proportional relationship between x and y? A) x 3 9 10 15 y 1 3 4 5 B) x 2 3 5 6 y 3 4 7 9 C) x 1 5 8 10 y 15 75 120 150 D) x 4 6 8 10 y 6 8 10 12 - Same fractions

Remembering that 2/2 is equal to 1. 3/3 is equal to 1. Where is the fraction 4/4 located on the number line? - Perpendicular 73574

The two lines of the triangle are perpendicular to each other and are 27 cm and 36 cm. Calculate the length of the sides of the triangle and the length of the third line. - Triangle 73464

The given line is a BC length of 6 cm. Assemble a triangle so that the BAC angle is 50 ° and the height to the side is 5.5 cm. Thank you very much. - Divide line segment

Find the point P on line segment AB, such that |AP| = r |AB| . Coordinates of endpoints: A = (−2, 0, 1), B = (10, 8, 5), ratio r = 1/4. - Calculate 73024

Calculate the permille descent of the railway line in the section of 7.2 km by 21.6 m. - Z score transformation

The annual salary of an entry level statistics major (in thousands of dollars) is normally distributed with mean of 75 and standard deviation of 12. X ∼ N ( μ = 75, σ = 12 ). What is the minimum salary a statistics major should aim for in order to earn am - A hiker

A hiker plans to hike up one side of a mountain and down the other side of points a mountain, each side of the mountain formed by a straight line. The angle of elevation at the starting point is 42.4 degrees, and the angle of elevation at the end is 48.3 - Parallelogram 72044

Assembly parallelogram ABCD: AB = 4.8cm, va = 3cm, BC = 4cm. Calculate the circuit. Make a sketch. - Cross-section 71254

The steel conductors of the long-distance power line have a cross-section of 5 cm². Calculate the resistance of a steel wire with a length of 2 km if the resistivity of the steel is 13 * 10-8 kΩ · m. - Divided 71124

We divided line AB into two parts in a ratio of 3: 5. The longer part was 6 cm longer than, the shorter part. How long in cm was the whole line?

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