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3 years ago

12

A curve along a highway is to be designed for cars moving at 100 kilometers per hour. Find the angle of banking if the radius of

the curve is 200 m.

1 answer:

statuscvo [17]3 years ago

5 0

Answer:

hope this will help you

Step-by-step explanation:

.........

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Find the percent of change from 32 feet to 79 feet. Round to the nearest tenth, if necessary. Then state whether the percent of

mixer [17]

Answer:

71 1/4%

Step-by-step explanation:

I think the change is percentage increase. the method of finding percentage iincrease is increase over percentage increase x 100%

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3 years ago

Graph the linear equation y=7x+1

Kay [80]

Answer:

See attached graph.

Step-by-step explanation:

To graph the equation, use its form y = mx+b to guide you.

Since y = 7x + 1 then m = 7 and b=1. Start on the y-axis at 1. Plot this points. From this point go up 7 units and over 1 units. Plot this point (1,8). Connect the points.

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4 years ago

What is the domain of the function y= (square root) x+6-7

nikklg [1K]

Answer:

the third choice. x>_-6

Step-by-step explanation:

1. When you have the square root of (x+6), it shifts the graph 6 units to the left.

2. So the x values would start and include -6 and continue growing to the right.

3. So the domain (x values) of the equation is x is greater than or equal to -6

4 0

3 years ago

a car show is selling tickets to rise money. adult tickets sell for $5.00 and children under 12 cost $2.00. you need to raise mo

OlgaM077 [116]

Let c = number of children
Let a = number of adults

5a + 2c > 3350

3 0

3 years ago

Brian wants to build a ramp that leads to a storeroom 5 meters above the ground. He wants the ramp to be 10 meters long. What sh

Ugo [173]

Answer:

The angle of elevation is <span><span>26.5650</span><span>(3dp)</span></span>

Explanation:

Let h be the end height of the ramp above the ground , l be the length of the ramp and the angle of elevation is <span>θ∴<span>tanθ</span>=<span>hl</span>=<span>510</span>=0.5∴θ=<span><span>tan<span>−1</span></span><span>(0.5)</span></span>=<span>26.5650</span><span>(3dp)</span></span>[Ans]

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4 years ago