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aksik [14]
3 years ago
7

Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .

Mathematics
1 answer:
iris [78.8K]3 years ago
7 0

Formula for the area of a quarter circle: A = (pi x r^2) / 4

A = (pi x 2^2) / 4

A = (pi x 4) / 4

A = 4pi / 4

A = 1pi = 3.14 square miles

Hope this helps! :)

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What is f(5) if f(1) = 3.2 and f(x + 1) = (f(x))?
scoray [572]

Answer:

The value of f(5) is 3.2.

Step-by-step explanation:

It is given that f(1) = 3.2 and

f(x+1)=f(x)

Substitute x=1 in the above equation.

f(1+1)=f(1)

f(2)=3.2

Substitute x=2 in the given equation.

f(2+1)=f(2)

f(3)=3.2

Substitute x=3 in the given equation.

f(3+1)=f(3)

f(4)=3.2

Substitute x=4 in the given equation.

f(4+1)=f(4)

f(5)=3.2

Therefore the value of f(5) is 3.2.

5 0
3 years ago
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A toxic radioactive substance with a density of 7 milligrams per square centimeter is detected in the ventilating ducts of a nuc
uysha [10]
For this case we have an equation of the form:
 y = A * (b) ^ t
 Where,
 A: initial amount
 b: decrease rate
 t: time in years.
 Substituting values we have:
 7 = A * (0.5) ^ ((1/20) * t)
 For t = 45 years we have:
 7 = A * (0.5) ^ ((1/20) * 45) 
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 A = 7 / ((0.5) ^ ((1/20) * 45))
 A = 33.3
 Answer:
 
the density of the substance when it was deposited 45 years ago was:
 
A = 33.3 milligrams per square centimeter
5 0
3 years ago
Fill in the table using the function rule y = 4 + 6x
xenn [34]

Answer:

10x

Step-by-step explanation:

5 0
3 years ago
Whats 900+102520253​
zhannawk [14.2K]

Answer:

102521153

Step-by-step explanation:

The answer I found was 102521153.

8 0
3 years ago
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1. the shape is a parallelogram. what is the measure of KL?
aleksklad [387]

Answer:

1. KL = 29

2. angle J = 127 degree

3. angle of K = 53 degrees

Step-by-step explanation:

SInce it is a parrallelograme, one thing that will help you is to remember that opposits are the same.

1. KL = JM since they are opposite => KL = 29

2. angle J = angle L since they are opposite => angle J = 127 degrees

3. Since we know that angle J and L are both equal to 127 degree and since the sum of the angles of a parralelogram is 360 degrees, so the sum of the angles of K and M is:  360 - 127 - 127 = 106 degrees.

Since K's and M's angles are equale => 106 / 2 = 53 degrees.

8 0
3 years ago
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