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Arturiano [62]
3 years ago
11

What is the equation

Mathematics
1 answer:
erastova [34]3 years ago
6 0
Thats figure is made of 2 triangles and 1 rectangle
so we will find the area of triangles and rectangles then add them

Triangle Area=1/2*x/2*2=x/2

multiply by 2 as we have two triangles=2*x/2=x
Area of a rectangle=x*2=2x
Add them=x+2x=14(given area of trepaziod
3x=14

hope i am correct

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Vinvika [58]
525 divided by 150 is 3.5

3.5= 3 hours and 30 mins

answer is b
8 0
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Answer:

A. 165 ft²

Step-by-step explanation:

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The distribution of passenger vehicle speeds traveling on a certain freeway in California is nearly normal with a mean of 73.7 m
Schach [20]

Answer:

A) 90.32%

B) 90.11%

C) 81.546 miles per hour

D)77.93%

Step-by-step explanation:

Given data:

speed  = 73.7 miles/hour

standard deviation = 4.77 miles /hour

a) P(X< 80) = P(z< \frac{80 - 73.7}{4.77}

                   = P (z< 1.31)

                   = 0.90320  = 90.32%

b) P(60 < X< 80) = P(\frac{60 - 73.7}{4.77} < z< \frac{80 - 73.7}{4.77})

                   = P (-2.872< z< 1.31)

                   = P (z<1.31) - P(z<-2.87)

                   = 0.90320 - 0.00205

                   = 0.90115  = 90.11%

c) P(X <X) = 0.95

    z = 1.645

\frac{x - 73.7}{4.77} = 1.645

x = 81.546  miles per hour

d)P(X< 70) = P(z> \frac{70 - 73.7}{4.77})

                   = P (z> -0.775)

                   = 0. 0.7793  = 77.93%

4 0
3 years ago
What is the perimeter of this shape?
DerKrebs [107]
The answer is 34

You would just add 4+4+1.5+1.5+10+10+3 and you should get 34
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3 years ago
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