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34kurt
3 years ago
5

Help?.. I’m confused

Mathematics
1 answer:
Hunter-Best [27]3 years ago
6 0

Answer:

umm I'm sorry i dont know how to do this........

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1. Which function represents exponential decay?
MatroZZZ [7]

Answer:

y= 7^-t

Step-by-step explanation:

Equation for exponential decay:

An equation represents exponential decay if a term between 0 and 1 is elevated to the independent variable.

In this question:

First option 4 is elevated, so not exponential decay.

Second option:

7^{-t} = \frac{1}{7^t} = (\frac{1}{7})^{t}

0 < \frac{1}{7} < 1, thus, the second option represents exponential decay.

7 0
3 years ago
What is equivalent to<br> -9(x - 4 ) - 6x
Lapatulllka [165]
The answer would be -15x+36. To solve this equation, you would first use distributive property and distribute the -9 to the values inside the parentheses (or multiply them). So, you would multiply -9 and x and -9 and -4 to get -9x+36-6x. Then, you combine like terms, which are -9x and -6x to get -15x. You can't simplify any further without knowing the value of x. Hope this helps!
4 0
3 years ago
Mary has an equal number of dimes and quarters. If she has $2.10 in all, how many coins of each does she have?
77julia77 [94]

Answer:

Step-by-step explanation:

4 quarters

1 dime

6 0
2 years ago
What is 53.67 to one decimal place
MAXImum [283]
53.67 to one decimal place is 53.7 since you round the .6 to the .7
8 0
3 years ago
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In 3 months, Peter spends $ 450 on groceries. If Peter spends the same amount each month, how much does he spend per month?
Olenka [21]
~Hello There!~

450/3 = 150
He would spend $150 each month

Hope This Helps You!
Good Luck :)
Have A Great Day ^_^

- Hannah ❤
8 0
3 years ago
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