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defon
3 years ago
13

The athletic department at pi high is planning circular track it is 400 m long. The area inside will be planted with sod. How mu

ch sod do I need?
Mathematics
1 answer:
dybincka [34]3 years ago
3 0

Answer:

15,400tds^2

Step-by-step explanation:

440 = Pi x 2r (Diameter = 2 x radius)

Radius = 440/2 x Pi

Area of circle = Pi x (440/2 x Pi)^2

Area of circle = 15406.i9 yds^2

= 15,400 yds^2 (nearest 100 yd^2)

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Work out 9 x £40.60 thank you
RUDIKE [14]

Answer:

365.4

Step-by-step explanation:

i dont know what £ means..... sorry i just did 9x40.60

8 0
3 years ago
AREA OF CIRCLES HELP PLS​
Lera25 [3.4K]

Answer:

432 ft²

Step-by-step explanation:

First lets find radius (r);

r = d/2

r = 24/2

r = 12

Now let's find the area;

A = π(12)²

A = 3(144)

A = 432 ft²

Hope this helps!

6 0
3 years ago
What is the distance between (8, -3) and (4, -7)?<br> Choose 1 answer
Mila [183]

Answer:

Option C √32 is correct

Step-by-step explanation:

Here,

x₁ = 8

x₂ = 4

y₁ = (-3)

y₂ = (-7)

Now,

By Using Distance Formula

<em>D = √(x₂ - x₁)² + (y₂ - y₁)²</em>

<em> </em><em> </em><em> </em><em> </em>= √(4 - 8)² + [(-7) - (-3)]²

= √(-4)² + [(-7) + 3]²

= √16 + (-4)²

= √16 + 16

<u>D = √32</u>

Thus, The distance between (8, -3) and (4, -7) is √32

<u>-TheUnknown</u><u>S</u><u>cientist</u>

3 0
3 years ago
Read 2 more answers
The amount of money Chaz earned for walking dogs is given in the table. Can the relationship be described by a constant rate? Ex
mojhsa [17]

Answer:

Yes, the relationship can be described by a constant rate of $18.75 per dog

Step-by-step explanation:

see the attached figure to better understand the problem

Let

x ----> the number of dogs

y ---> the amount of money earned

we have the points

(6,112,50), (8,150), (11,206.25)

step 1

Find the slope with the first and second point

(6,112,50), (8,150)

m=(150-112.50)/(8-6)=18.75

step 2

Find the slope with the first and third point

(6,112,50), (11,206.25)

m=(206.25-112.50)/(11-6)=18.75

Compare the slopes

The slopes are the same

That means, that the three points lies on the same line

therefore

Yes, the relationship can be described by a constant rate of $18.75 per dog

7 0
3 years ago
Answer and will mark brainliest
AysviL [449]
3(x+6)>8-(x-7)
3x+18>8-x+7
2x+18>15
2x>-3
X>-3/2
6 0
3 years ago
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