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Elenna [48]
1 year ago
5

Help me find the arc

Mathematics
1 answer:
zhuklara [117]1 year ago
4 0
121 km is the answer to the question
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Help me with 6 and 7 please
Kazeer [188]
#7 is B!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


5 0
3 years ago
Evey month the bank withdraws $15 from netsy checking account as a service fee . Betsy had budgeted $75 for the next few fees se
Nadusha1986 [10]
15x≤75
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3 0
3 years ago
What is (1-i)^3 <br> Please explain how you got that
My name is Ann [436]

\bf (1-i)^3\implies ~\hfill \begin{array}{cccccccl} 1^3&+&3(1)^2(-i)^1&+&3(1)^1(i)^2&+&(-i)^3\\\\ 1&+&(-3i)&+&(3i^2)&+&(-i^3)\\\\ 1&-&3i&+&3i^2&-&i^3 \end{array} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{let's recall that}}{i^2=-1\qquad \qquad i^3=-i} \\\\[-0.35em] ~\dotfill\\\\ 1-3i+3(-1)-(-i)\implies 1-3i-3+i\implies -2-2i

6 0
3 years ago
Show work and Evaluate 3/4 + 2/5
frez [133]

Answer:

23/20

Step-by-step explanation:

Find the common denominator of the 2 fractions (It's 20):

3/4 + 2/5            

Multiply both numerator and denominator by 5 for the first fraction and multiply by 4 for the second fraction:    

15/20 + 8/20        

Add the fractions together:

23/20

5 0
2 years ago
Find the value of x^2+1/x^2 when <br>x-1/x=3​
BaLLatris [955]

Answer:

sorry i couldnt help

Step-by-step explanation:

:(

4 0
3 years ago
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