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maw [93]
3 years ago
8

Suppose that a cell phone monthly rate plan costs the user 5 cents per minute beyond a fixed monthly fee of $20. This implies th

at the relationship between monthly cost and monthly number of minutes is linear. Write an equation in words that relates total monthly cost to monthly minutes used.
Mathematics
1 answer:
Gala2k [10]3 years ago
3 0

Answer:

y= .05x + 20

Step-by-step explanation:

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1) The deer population in a national park is expected to decline over time. The park
Lorico [155]

Answer:

Here's what I find.

Step-by-step explanation:

You have 800 deer at the end of Year 1, and you expect the population to decrease each year thereafter.

a) i) The recursive formula

Let dₙ = the deer population n years after the initial measurement.

d_{n} = d_{n - 1}r^{n}

For this situation,

d_{n} = d_{n - 1}(0.5)^{n}

a) ii) Definitions

n = the number of years from first measurement

r = the common ratio, that is, the deer population at the end of one year divided by the population of the previous year.

a) iii) First term of sequence

The first term of the sequence is d₀, the population when first measured.

b) The function formula

The formula for the nth term of a geometric series is

d_{n} =d_{0}r^{n - 1}

c) Value of d₀

Let n = 2; then d₂ = 800

\begin{array}{rcl}800 & = & d_{0}(0.5)^{2 - 1}\\800 & = & d_{0}(0.5)\\\\d_{0} & = & \dfrac{800}{0.5}\\\\& =&\mathbf{1600}\\\end{array}

4 0
3 years ago
E Math
murzikaleks [220]
Yes, since 3 times 1.5 is 4 and 2 times 1.5 is 3.


In first trails there are 3 cups of peanuts mixed with 2 cups of raisins.
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Sam has striped and spotted socks in his draw in
mojhsa [17]

Answer:

14 spotted socks

Step-by-step explanation:

Sam has 3 units of striped socks and 6 of them.

Find one unit.

3 units = 6

1 unit = 6 ÷ 3 = 2

Sam has 7 units of spotted socks.

7 units = 2 x 7 = 14

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2 years ago
Paulina used 4. 1/2 yards of cloth. 1. 3/8 yards of white cloth 2. 3/4 yards of blue cloth to make a. Costume.How much cloth she
NemiM [27]
2 + 3/8 + 6/8 = 16/8 + 9/8 =


25/8
4 0
3 years ago
Read 2 more answers
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