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levacccp [35]
2 years ago
11

What is the value of u?

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
8 0

Answer:

4\sqrt{2

Step-by-step explanation:

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A hot cup of coffee is put outside on a cool day. The temperature of the coffee, C in degrees Celsius, is a function of time, t
MArishka [77]

9514 1404 393

Answer:

  • units for 20: minutes
  • units for 30: degrees Celsius

Step-by-step explanation:

The problem statement tells you the function value is in degrees Celsius, and the function argument is in minutes.

units for 20: minutes

units for 30: degrees Celsius

4 0
3 years ago
X-y=9<br>2x+5y=4<br>solve by subsitution <br>show work
Alex73 [517]
The answers are..................... y= -2, and x= 7
4 0
3 years ago
What is perform the indicate operation​
aksik [14]

Answer:

Many techniques will simplify your work as you perform operations with algebraic fractions. As you review the examples, note the steps involved in each operation and any methods that will save you time.

4 0
2 years ago
Can someone explain step by step how to do #16?
bekas [8.4K]
You want to make the denominator of the fractions to be equal to each other.

(2/n+8)+(4/n+1) multiply n+1 by n+8, and multiply n+8 by n+1

(4n+32/n^2+8)+(2n+2/n^2+8) Now that the denominators are equal we can solve the numinator by adding like terms.
4n+2n=6n, 32+2=34

Your final answer is 2(3n+17)/n^2+8

8 0
3 years ago
Is 2×2×5×5×7×7 a square number ? explain your answer.
givi [52]
Yes because you end up with 4,900 which is 70x70
8 0
2 years ago
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