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IgorC [24]
3 years ago
13

Dr. Horton is studying an endangered fox whose population is declining. The population decrease is represented by the function f

(x) = 6500(1 - 0.10)* - 40. She using this equation to study the population decline from year to year, with x representing each year. ACADE a) Calculate how many foxes there were in year 3 and in year 8. You must show a your work and explain each step. uestio​
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
6 0

Answer:

5900 (rounded)

Step-by-step explanation:

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Bill and susan have ages that are consecutive odd integers.The product of their ages 438.Which equation could be used to find bi
zhuklara [117]

Answer:

4 x^{2} + 8 x - 435=0

Step-by-step explanation:

Let x be any natural number

Let the age of Bill= 2 x+ 1  years (Since age is odd integer)

Than, age of a Susan= 2 x + 3 years

Since ages are consecutive odd integers

According to question

(2 x+1)(2 x+ 3)= 438

4 x^{2} + 8 x + 3 = 438

4 x^{2} + 8 x + 3 - 438 =0

4 x^{2} + 8 x - 435=0

This equation can be used to find the ages of both

Hence, the correct answer is 4 x^{2} + 8 x - 435=0

5 0
3 years ago
Find the area of a circle with a diameter of 12 inches. Use 3.14 for pi.
denis-greek [22]
Aloha there! :) The answer to your question is 113.04 sq inches.


Hope I helped! =D
4 0
3 years ago
Read 2 more answers
What is the area of the figure?
wel

Answer: 448

Step-by-step explanation:

6 0
3 years ago
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Find the length and width of a rectangle that has the given perimeter and a maximum area. perimeter: 244 meters
MissTica
We know that

[perimeter of rectangle]=2*(<span>length+width)
</span>
Let
x-----------> length
y-----------> width
so
P=2*(x+y)-----------> 244=2*(x+y)-----> x+y=122-------> y=122-x

Area=x*y-------> x*(122-x)----> 122x-x²

find the derivative function and equals to zero

122-2x=0-----> 122=2x----------> x=61 m
y=122-x------> y=122-61---------> y=61 m

<span>the maximum area is given by a square
</span>
the answer is
is a square of side 61 m


6 0
3 years ago
Which are solutions of the equation (x + 5)(x – 3) = 0? Check all that apply.
djverab [1.8K]

Answer:x=-5 and x=3

Step-by-step explanation:

(X+5)(x-3)=0

X+5=0 or x-3=0

X=-5 or x=3

6 0
3 years ago
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