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MAXImum [283]
3 years ago
10

Alan spent 3 hours building a model for his science project. This was 60% of the total time he spent on the project. How many ho

urs did he work on the project?
Mathematics
2 answers:
Vikentia [17]3 years ago
6 0

Answer:

1.8 hours i hope this helps

Step-by-step explanation:

strojnjashka [21]3 years ago
5 0

Answer:

5 total hours

Step-by-step explanation:

3 ÷ 60% = 5

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The following equation is often referred to as Euler's Formula; e^pii+1=0 Use what you know about complex numbers to show that t
Sav [38]

Answer:

\large \boxed{e^{i\pi}+1=0}

Step-by-step explanation:

Hello, please consider the following.

For any x real number,

e^{ix}=cos(x)+i\cdot sin(x)\text{, right? So}\\\\e^{i\pi}=cos(\pi)+i\cdot sin(\pi)\\\\e^{i\pi}=-1+i\cdot 0=-1\\\\\text{ We add 1 to both sides of the equation.}\\\\\large \boxed{e^{i\pi}+1=0}\\

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

6 0
2 years ago
What inequality is equivalent to |x-4| <8?
Furkat [3]

Answer:

x<《-4,12》

Step-by-step explanation:

inequalities:

x-4<8, x-4>0

-(x-4)<8, x-4-<0

intersections:

x<12, x>4

x>-4, x<4

x<[4,12》

x<《-4,4》

x<《-4,12》

5 0
3 years ago
Please answer correctly !!!!!! Will mark brainliest !!!!!!!!!
Harlamova29_29 [7]

Answer:

-2 = not in domain

0= in domain

3= in domain

7 0
3 years ago
Use a graphing calculator to determine which equation for the line of regression, Pearson product-moment correlation value (r),
Ipatiy [6.2K]
The best answer is:
B) y = 6.1x + 74.5, r = 0.48
<span>Predicted test score for 4 hours of study equals 99.
See the attachment for graph
</span>

6 0
3 years ago
If you have $20,000 in assets and $50,000 in liabilities, what is your net worth?
Irina-Kira [14]
Answer is 30,000 ......................................
4 0
3 years ago
Read 2 more answers
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