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Elodia [21]
2 years ago
14

Drake buys a ring that costs $8,000, which depreciates at a rate of 9.5% per year.

Mathematics
1 answer:
Alex73 [517]2 years ago
4 0

Answer:

$1129.93

Step-by-step explanation:

100 - 9.5 = 90.5

8000 - 90.5 = 7909.5

7909.5 ÷ 7 = 1129.93

i hope this helps

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Mark is 15 years younger than Ashley. The sum of their ages is 55. Write a set of equations to determine Mark (M) age and Ashley
shusha [124]
A+M=55
A-15=55
is the correct equations.
4 0
3 years ago
Remove all perfect squares from inside the square root 25x^4
Serga [27]
The answer:

the main rule:
for all value positive of a real  b,  √b²= b, and   √b*c=   √b * √c, if c is a real positive

let A=√25x^4,  we know that  25x^4=5² * x² * x² 
therefore,  
√25x^4= √5² * x² * x² =√5² √x² √x² = 5* x*x= 5x²

the final answer is A=√25x^4=5x²
5 0
2 years ago
HLEP PLEASE PUT THEM IN THE CORRECT ORDER TRUE OR FALSE
Fittoniya [83]

Answer:

1. False

2. True

3. True

Step-by-step explanation:

3 0
2 years ago
The derivative of a function f(x)=2-7sinx is--------
Setler [38]

Answer: -7cos(x)

Step-by-step explanation:

d/dx (f(x))= -7cos(x)

7 0
2 years ago
Question 1<br> What is the solution of n² - 49 = 0?<br> 0 +7<br> 07<br> -7<br> O no solution
Sphinxa [80]
Hey there!

This can be written as n^{2}-(7)^{2}

This is in form of \fbox{a^{2}-b^{2}} , it can be expanded as \fbox{(a-b)(a+b)}

=> (n-7)(n+7)=0
=> n -7 = 0 or n + 7 = 0
=> n = 7 or n = -7

So option 7 , -7 are correct.

Hope this is clear :)
Have a good day:)
7 0
2 years ago
Read 2 more answers
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