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Llana [10]
3 years ago
9

I need help with 20 and 21

Mathematics
1 answer:
7nadin3 [17]3 years ago
6 0
Https://us-static.z-dn.net/files/d63/6f064638901e33bea26f4fc25a74aa69.jpg

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The product of a negative 11 cubed and negative 11 squared
bekas [8.4K]

Answer:

121 and 1331

Step-by-step explanation:

Because 11x11=121 and 11x11x11=1331

5 0
3 years ago
49. When a store releases a new cell phone to customers, it expects its sales to decrease by 5% each month after the initial mon
pishuonlain [190]

Answer:

C) f(x)= 682 • 0.95^x

Step-by-step explanation:

The formula for Exponential Decrease is given as:

y = a(1 - r)^x

Where

y = f(x)

a = Initial size of the population = 682

r = Growth rate = 5% = 0.05

x = Time is years

Therefore, our equation can be written as:

f(x) = 682 × (1 - 0.05)^x

f(x) = 682 × (0.95)^x

Therefore, the exponential function that models this situation x months after the initial month is

option C)

f(x) = 682 • 0.95^x

8 0
3 years ago
Two different functions are represented.
Crank

Answer:

Neither function A nor function B has an x-intercept.

Step-by-step explanation:

Function A has a y-intercept at (0, 5).

Function B is defined for negative numbers as well as positive numbers, but not for x=0.

These observations eliminate all answer choices but the first one.

7 0
3 years ago
Read 2 more answers
Please do any of them or all i really need this done
stepan [7]
1. 3.75+4.50=8.25- 5.25= $3 profit

She made 8.25 off selling bracelets to others, which adds money to her "account", but also spent money on crafting supplies, which results in her subtracting from her "account."
6 0
3 years ago
The number 432 is what percent of 480?
Dimas [21]

Answer: 9/10

Step-by-step explanation:

4 0
3 years ago
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