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3 years ago

11

stadium floor that is in the shape of a circle has a diameter with length of 210 yards. which of these measurements is closest t

o the area

1 answer:

kenny6666 [7]3 years ago

3 0

Answer:

You have no choices but the area of that floor is 34,618.5 yds

Step-by-step explanation:

A = π r²

A = 3.14 (105²)

A = 34,618.5

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How do I solve the equation (x+3)^1/2-1=x

konstantin123 [22]

Answer:

Step-by-step explanation:

$(x+3)^{\frac{1}{2} } -1=x\\(x+3)^{\frac{1}{2} } =x+1\\squaring\\x+3=x^2+2x+1\\\\x^{2} +2x-x+1-3=0\\x^2+x-2=0\\x^2+2x-x-2=0\\x(x+2)-1(x+2)=0\\(x+2)(x-1)=0\\x=-2,1$

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3 years ago

Subtract to find the value of 15(2/3-2/5)

Sav [38]

Answer:

$4$

Step-by-step explanation:

Simplify the expression

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3 years ago

A 16-ounce bag of cereal costs about $2.88. What is the unit rade of the cereal?

VLD [36.1K]

Answer:

18 cents per ounce

Step-by-step explanation:

The first step is to identify the unit. In this case, you are told you have 16-ounces. Therefore, your unit is an ounce.

To find the price of one ounce, just divide your price of $2.88 by 16.

Unit rate = $2.88 / 16 = 0.18 or 18 cents per ounce.

4 0

3 years ago

Read 2 more answers

A person on a runway sees a plane approaching. The angle of elevation from the runway to the plane is 11.1° . The altitude of th

Gnoma [55]

Answer:

The horizontal distance from the plane to the person on the runway is 20408.16 ft.

Step-by-step explanation:

Consider the figure below,

Where AB represent altitude of the plane is 4000 ft above the ground , C represents the runner. The angle of elevation from the runway to the plane is 11.1°

BC is the horizontal distance from the plane to the person on the runway.

We have to find distance BC,

Using trigonometric ratio,

$\tan\theta=\frac{Perpendicular}{base}$

Here, $\theta=11.1^{\circ}$ ,Perpendicular AB = 4000

$\tan\theta=\frac{AB}{BC}$

$\tan 11.1^{\circ} =\frac{4000}{BC}$

Solving for BC, we get,

$BC=\frac{4000}{\tan 11.1^{\circ} }$

$BC=\frac{4000}{0.196}$ (approx)

$BC=20408.16$ (approx)

Thus, the horizontal distance from the plane to the person on the runway is 20408.16 ft

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3 years ago

David rented a truck for one day there was a base base fee of $19.99 and there was an additional charge of $.84 for each mile dr

MissTica

196 Miles

184.63-19.99=164.64

164.64/.84= 196

7 0

3 years ago