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12.05.2021 •
Mathematics
A vector is used to express a car's change in position, or displacement, by tracking its motion over a large area defined by a coordinate grid. If the car begins at (−3,−5) and ends at (5,9), which of these expresses the car's displacement in vector form?
A
(14,8)
B
(10,12)
C
(8,14)
D
(2,4)
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Ответ:
C(8,14)
Step-by-step explanation:
initial point (-3,-5) and terminal point (5,9)
vector form=(change in x, change in y)
V=(Xf-Xi,Yf-Yi)
V=[5-(-3), 9-(-5)]
V=(8,14)
Ответ:
Ответ:
Area of rectangular base is 18 square centimeters.
The height (given) is 6 centimeters.
The volume of the rectangular prism is 108 cubic centimeters.
Step-by-step explanation:
For the area of the base, multiply the length of AD times length of CD
9cm × 2cm = 18cm² remember that is square unit measure:
cm² means square centimeters.
The height is the distance between the two bases. Given as AW = 6
To get Volume, multiply the area of one base by the height
18cm² × 6cm = 108cm³ 108 cubic centimeters