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Harrizon [31]
3 years ago
13

The surface area of an oil spill gets 131% larger every day, represented by the function s(x) = (1.31)x − 1. On the first day, i

t covered an area of 21 square meters. Which function would be used to find the area of the oil spill on the 47th day?
Mathematics
1 answer:
scoray [572]3 years ago
6 0

Answer:

The correct option is B.

Step-by-step explanation:

It is given that the surface area of an oil spill gets 131% larger every day, represented by the function

Where x is number of days.

On the first day, it covered an area of 21 square meters. It means the initial area is 21 square meters.

The function is defined as

Where is initial value and b is growth factor.

It means the function of new area is the product of initial area and increasing area function. The required function is

Therefore option B is correct.

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Maria made blueberry muffins for a bake sale. Each muffin cost her about $0.25 to make. She spent $8.75 to make all of the muffi
Marat540 [252]

Answer: $17.50.

Step-by-step explanation;

If each muffin cost her $0.25 to make and she spent $8.75 making all muffins, then you can divide this amount to find out how many muffins she made (8.75/0.25), this is 35 muffins. If she sold each muffin for $0.50, multiply the number of muffins (35) by their price ($0.50), this is $17.50. Therefore, <em>Maria received $17.50 from selling her muffins</em>.

7 0
3 years ago
Write a rule for the nth term of the arithmetic sequence. d=2, a12=18. Please explain!
Anastasy [175]
1.an = 3n - 1 2. an = 2(2n - 3) 3.an = 4^n 4.an = (2/3)^n 5. an = (-1)^n(n + 5) 6. an = (-1)^n + 1(n + 6) 7. an= n+3/2n-1 8. a1 = -5 and an = an-1 - 3 for n ≥ 2 9. a1 = -6 and an = -2an-1 for n ≥ 2 10.a1 = 4 and an = 3an-1 + 2 for n ≥ 2 11. Find a8 when a1...
3 0
3 years ago
Read 2 more answers
PLEASE ANSWER AS FAST AS YOU CAN!!! 20 POINTS!! Find the area of the following shape. You must show all work to receive credit.
monitta

Answer:

12

Step-by-step explanation:

Im going to divide this up to make it easier

first im going to do the triangle on top which we need the formula for that which would be

(4*2) / 2 which is( base * height )/2 then 4*2 = 8 /2 = 4

then ill deal with the rectangle just below that triangle

which is 3*2 which is 6

then last is triangle which is 2*2 which is 4 / 2 so 2

then add all together

4 + 6 + 2 = 12

8 0
3 years ago
The solution to -2(1–4x) = 3x + 8 is <br> a) 6/11<br> b)2<br> c)-10/7<br> d)-2
amm1812
B
x=2 skdkdjjwwoananaanausid
5 0
3 years ago
Kwans The Kenningy account balance was $20 his ending balance is zero dollars what integer represents the changing in his accoun
77julia77 [94]

The integer number that represents the changing in his account balance from beginning to end is of -20.

<h3>Which numbers belong to the set of integer numbers?</h3>

Non-decimal numbers, either positive or negative numbers, also zero, belong to the set, which can be represented by:

Z = {..., -3, -2, -1, 0, 1, 2, 3, ...}

A change can be represented by the <u>final value subtracted by the initial value</u>. For this problem, we have that:

  • The initial balance is of $20.
  • The final balance is of $0.

Hence the change in the balance is:

0 - 20 = -20.

And the integer is -20.

More can be learned about integer numbers are brainly.com/question/17405059

#SPJ1

6 0
2 years ago
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