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Serga [27]
3 years ago
8

A pack of gum costs 75 cents. That is 3 cents less than three times what the pack cost 20 years ago. Which equation could be use

d to find the cost of the gum 20 years ago?
Mathematics
2 answers:
Tamiku [17]3 years ago
7 0
75-3×3x=?
I believe that would be the equation. 
babunello [35]3 years ago
7 0
75-3x3x=_______ is your equation
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Population in a Small Town, USA was 5,054 in 2007. The populations increase by 2% annually. Show and explain all work.
kakasveta [241]

Answer: a. f(x)=5054(1.02)^x

b. The population in 2032 will be 8292.

Step-by-step explanation:

Exponential growth equation: y=a(1+r)^x, where a = initial value , r = growth rate, x = time period

Given: a = 5054 , r= 0.02

a. Required exponential growth function: f(x)=5054(1+0.02)^x

f(x)=5054(1.02)^x

b. For 2032, x= 25

f(25)=5054(1.02)^{25}

\approx8291.62\approx8292

The population in 2032 will be 8292.

5 0
2 years ago
Could someone help please
pogonyaev

Answer:

3.5 m/s

Step-by-step explanation

Remove brackets

d = t^2 + 0.2t + 3.3t + .66              

Combine

d = t^2 + 3.5t + .66

The initial velocity  is 3.5

3 0
2 years ago
At the beginning of the month Riley’s balance was $128. What was her balance at the end of the month after all of her deposits a
patriot [66]

Answer:

In order for me to answer this I need to know how much she had left.

Step-by-step explanation:

I can edit my answer once you tell me

8 0
2 years ago
Read 2 more answers
Find the number of permutations of the first 9 letters of the alphabet, taking 4 letters at a time.
Vinil7 [7]

Solution-

First 9 letters of alphabet are- A,B,C,D,E,F,G,H,I

Total number of ways of selection of 4 letters from 9 alphabets = 9C4

=9!÷((4!).(9-4)!) = 9!÷(4!×5!) = (9×8×7×6)÷(24) = 126

The number of ways of arranging these 4 numbers = 4! = 24

∴ Total number of possible permutations = 9C4×4! = 126×24 = 3024

∴ option number 2 is correct.

8 0
3 years ago
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¿Cuál de las siguientes expresiones es equivalente a (5 ∙ 5 ∙ 5 ∙ 5)3?
frosja888 [35]

Answer:

translate: "Which of the following expressions is equivalent to (5 x 5 x 5 x 5)3?"

57???

Step-by-step explanation:

5 0
2 years ago
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