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julsineya [31]
2 years ago
13

the function 56-4y=-5x can be used to determine the total amount of money in a coin jar,y,after money is added for x days. what

is the rate of change in dollars with respect to the number of days?
Mathematics
1 answer:
notka56 [123]2 years ago
4 0

Answer:

23

Step-by-step explanation:

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How many solutions are there to the equation below 15x+11=8x
Svetradugi [14.3K]

Answer:

There is one solution

Step-by-step explanation:

15x+11=8x

Subtract 15x from each side

15x-15x +11 = 8x-15x

11 = -7x

Divide by -7

11/-7 = -7x/-7

-11/7 =x

There is one solution

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Is a graph a proportional​
Bogdan [553]

Answer:

How to tell the difference: A proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin.

Step-by-step explanation:

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The question is in the image below.
sineoko [7]

Answer:

The Recursive Formula for the sequence is:

\:a_n=\frac{1}{5}\left(a_{n-1}\right)     ; a₁ = 125

Hence, option D is correct.

Step-by-step explanation:

We know that a geometric sequence has a constant ratio 'r'.

The formula for the nth term of the geometric sequence is

a_n=a_1\cdot r^{n-1}

where

aₙ is the nth term of the sequence

a₁ is the first term of the sequence

r is the common ratio

We are given the explicit formula for the geometric sequence such as:

a_n=125\left(\frac{1}{5}\right)^{n-1}

comparing with the nth term of the sequence, we get

a₁ = 125

r = 1/5

Recursive Formula:

We already know that

  • a₁ = 125
  • r = 1/5

We know that each successive term in the geometric sequence is 'r' times the previous term where 'r' is the common ratio.

i.e.

a_n=ra_{n-1}

Thus, substituting r = 1/5

\:a_n=\frac{1}{5}\left(a_{n-1}\right)  

and a₁ = 125.

Therefore, the Recursive Formula for the sequence is:

\:a_n=\frac{1}{5}\left(a_{n-1}\right)     ; a₁ = 125

Hence, option D is correct.

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3 years ago
What is m3 + 9n when m = 4 and n = 5
WINSTONCH [101]
I believe the answer is 57
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What is three-eighths plus one-half?
tankabanditka [31]

7/8, One should first make all the fractions have the same denominator so 3/8 and 1/2=4/8 so then add 3/8+4/8=7/8
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3 years ago
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