Question

pleh

Answer 1

1. Describe the vector as an ordered pair. Round the coordinates to the nearest tenth. Diagram is not drawn to scale.

Diagram (1 point)<–1.1, –4.9>
<5.1, –22.2>
<-4.9, –1.1>
<22.2, –5.1>






2. Use compass directions to describe the direction of the vector. Diagram is not drawn to scale.

Diagram (1 point)85° south of west
85° north of west
85° north of east
85° south of east






3. What is the description of angle4 as it relates to the situation below?

Diagram (1 point)angle4 is the angle of elevation from the person to the radar tower.
angle4 is the angle of depression from the radar tower to the person.
angle4 is the angle of depression from the person to the radar tower.
angle4 is the angle of elevation from the radar tower to the person.






4. Find the magnitude and direction of the vector. Round the length to the nearest tenth and the degree to the nearest unit. Diagram is not drawn to scale.

Diagram (1 point)about 21 mi; 566.5° south of east
about 21 mi; 566.5° south of west
about 566.5 mi; 21° south of east
about 566.5 mi; 21° south of west






5. Write the resultant of the two vectors as an ordered pair.

<–6, 5> and <6, –5> (1 point)<0, 0>
<–12, –10>
<12, 10>
<1, 1>






6. Find the value of x. Round the length to the nearest tenth. Diagram is not drawn to scale.

Diagram (1 point)41.2 yd
5.5 yd
14.1 yd
5.1 yd






7. Find the value of x. Round the length to the nearest tenth.

Diagram (1 point)7.2 ft
6.9 ft
13.9 ft
9.7 ft






8. To find the height of a pole, a surveyor moves 140 feet away from the base of the pole and then, with a transit 4 feet tall, measures the angle of elevation to the top of the pole to be 44°. To the nearest foot, what is the height of the pole? (1 point)145 ft
149 ft
135 ft
139 ft






9. Miguel is driving his motorboat across a river. The speed of the boat in still water is 14 mi/h. The river flows directly south at 2 mi/h. If Miguel heads directly west, what are the boat’s resultant speed and direction? Diagram is not drawn to scale.

Diagram (1 point)8 mi/h; 14.1° south of west
14.1 mi/h; 8° north of west
14.1 mi/h; 8° south of west
8 mi/h; 14.1° north of west

Answer 2

@tomorrow do you know how to explain any of these??

Answer 3

you there?

Answer 4

@whydoihavetosignup1