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iragen [17]
3 years ago
10

A car drives 215 km east and then 45 km north. What is the magnitude of the car’s displacement? Round your answer to the nearest

whole number.

Mathematics
2 answers:
anzhelika [568]3 years ago
8 0

Answer:

220

Step-by-step explanation:

edge

elena55 [62]3 years ago
4 0

Answer:

Displacement = 219.66 km

Step-by-step explanation:

Displacement is the shortest length between the initial and final position.

Thus, the displacement can be calculate if we measure the starting point and final point of the Car drive. It is the straight line joining both the point.

Thus, Displacement = \sqrt{(215)^2+(45)^2} =219.66 \ km

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Always because the higher the negative he less its and the same for he positive side 
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3 years ago
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A. 5/18<br><br> B. 4/9 <br><br> C. 1/2<br><br> D. 5/9
schepotkina [342]

|\Omega|=9\cdot8=72\\ |A \cap B|=5\cdot4=20\\\\ P(A \cap B)=\dfrac{20}{72}=\dfrac{5}{18}\Rightarrow \text{A}

5 0
2 years ago
You design a tree house using a coordinate plane in which the coordinates are measured in feet. The vertices of the floor are (-
Nikitich [7]

Answer:

Perimeter = 28 yards

Area = 49 square yards.

Step-by-step explanation:

Distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Let as consider the vertices of the floor are A(-2,-3), B(-2,4), C(5,4) and D(5,-3).

Using distance formula, we get

AB=\sqrt{(-2-(-2))^2+(4-(-3))^2}=\sqrt{(-2+2)^2+(4+3)^2}=\sqrt{0+7}^2=7

Similarly,

BC=\sqrt{(5-(-2))^2+(4-4)^2}=7

CD=\sqrt{(5-5)^2+(4-(-3))^2}=7

AD=\sqrt{(5-(-2))^2+(-3-(-3))^2}=7

It is conclude that, AB=BC=CD=AD.

From the given points it is clear that all sides lie on either vertical or horizontal lines.

Since all sides are equal, and adjacent sides are perpendicular, therefore, the base is a square with edge 7 yards.

Perimeter of square floor is

P=4a=4(7)=28\text{ yards}

Area of square floor is

A=a^2=7^2=49\text{ sq. yards}

Therefore, the perimeter is 28 yards and the area is 49 square yards.

7 0
2 years ago
Which expression is equivalent to 1/5 divided by 1/2?
anygoal [31]
Answer B! Hope this helps
8 0
3 years ago
Jessii Vee is 1 5/8 gallons of paint to paint her room so he has 5/6 gallons of paint. How many more gallons of paint does she n
irakobra [83]

Answer:

3 1/2 gallons of paint

Step-by-step explanation:

1 5/8 - 5/6 = x

Turn the mixed number into an improper fraction:

1 5/8 = 13/8 = x

13/8 - 5/6 = x

make the denominator the same:

13/8 * 3 = 104/24

5/6 * 4 = 20/24

Subtract:

104/24 - 20/24 = 84/24

Simplify:

84/24 divided by 6 = 14/4

14/4 divided by 2 = 7/2

Turn into a mixed number:

3 1/2


Hope this helps!!!                                                   ~Carley

3 0
2 years ago
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