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Gwar [14]
3 years ago
11

HELP ON GEOMETRY!!!!!!!!!!!!!

Mathematics
1 answer:
jeka943 years ago
5 0
What do you need help with
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Select the recursive and explicit formula for the Arnold family 2 answers
MariettaO [177]

Answer: The first and last options are correct

Explanation:

The recursive formula is written in terms of the previous term of the sequence. From the information given,

the Arnold's are going to save a nickel on the first day of the month and double the amount each day of the month. Thus, the recursive formula would be

A(n)\text{ = a}_{n\text{ - 1}}\text{ }\times\text{ 2}

where

an - 1 defines a previous term

To write the explicit formula, we would apply the formula for finding the nth term of an arithmetic sequence which is expressed as

An = ar^(n - 1)

where

a is the first term of the sequence

n is the number of terms

r is the common ratio between consecutive terms

Thus,

r = 2 because the amount is doubling each day

n = number of days

a = value of 1 nickel = $0.05

By substituting these values into the formula,

the explicit formula is

A(n) = 0.05(2)^n - 1

7 0
1 year ago
Suppose that all of the points on the circular dartboard shown are equally likely to be hit by a dart. If the radius of the shad
jekas [21]
This must double your chances so if i round the nearest whole number would be 8 any questions?
6 0
3 years ago
Read 2 more answers
If each cube in the rectangular prism measures 1 cubic inch, what is the volume of the prism?
algol13
The answer for that is A. 40 cubic in
3 0
3 years ago
Let f(x)=2x+2. Solve f^-1(x) when x=4
Gre4nikov [31]
F⁻¹(x) stands for the invers of function f(x). The inverse of f(x) is equal to x. We need to solve for x.

solve for x
f(x) = 2x + 2
2x + 2 = f(x)
2x = f(x) - 2
  x = \dfrac{f(x)-2}{2}
f⁻¹(x) = \dfrac{x-2}{2}

Determine the value of f⁻¹(x) when x = 4
f⁻¹(x) = \dfrac{x-2}{2}
f⁻¹(4) = \dfrac{4-2}{2}
f⁻¹(4) = \dfrac{2}{2}
f⁻¹(4) = 1
When x = 4, the value of f⁻¹(x) is equal to 1
4 0
3 years ago
1)Alexpleyadefn
Anarel [89]

Answer:

Step-by-step explanation:

answer to the question:

download it here! bit.lif.123214

im kidding. im not one of the virus givers xdd. but they do need to be stopped

8 0
3 years ago
Read 2 more answers
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