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Fiesta28 [93]
3 years ago
7

EZ 25 POINTS!!!!!

Mathematics
1 answer:
alexandr1967 [171]3 years ago
4 0

Answer: 9

Step-by-step explanation:

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99 Points for correct answer!!!!!!!!!
3241004551 [841]

The equation given is:

15x - 3y = 21


Slope intercept form is:

y = mx + b


15x - 3y = 21

-15x -15x

-------------------

-3y = -15x + 21

/-3 /-3 /-3

---------------------

y = 5x -7


The answer is: y = 5x - 7


Hope I helped!


-Char

3 0
3 years ago
NEED HELP HERE ASAP<br><br> 6. Find the cube roots of 27(cos 330° + i sin 330°).
VLD [36.1K]
<span>we have that

the cube roots of 27(cos 330° + i sin 330°) will be
</span>∛[27(cos 330° + i sin 330°)]

we know that
e<span>^(ix)=cos x + isinx
therefore
</span>∛[27(cos 330° + i sin 330°)]------> ∛[27(e^(i330°))]-----> 3∛[(e^(i110°)³)]
3∛[(e^(i110°)³)]--------> 3e^(i110°)-------------> 3[cos 110° + i sin 110°]

z1=3[cos 110° + i sin 110°]

 cube root in complex number, divide angle by 3
360nº/3 = 120nº --> add 120º for z2 angle, again for z3
<span>therefore
</span>
z2=3[cos ((110°+120°) + i sin (110°+120°)]------ > 3[cos 230° + i sin 230°]

z3=3[cos (230°+120°) + i sin (230°+120°)]--------> 3[cos 350° + i sin 350°]
<span>
the answer is 

</span>z1=3[cos 110° + i sin 110°]<span>

</span>z2=3[cos 230° + i sin 230°]

z3=3[cos 350° + i sin 350°]<span>

</span>
7 0
3 years ago
What is 8241 divided by 173 with the remainder as a fraction
AURORKA [14]
Base on the question where as asking to divide 8241 by 173 and the remainder should be a fraction, base on my calculation and further research, I would say that the answer would be 1 and 110 over 8241.  I hope you are satisfied with my answer and feel free to ask for more if you have questions 
3 0
3 years ago
Read 2 more answers
theresa baked cookies to share with her friends. she split the cookies into 8 equal groups. if each friend got 6 cookies, how ma
spin [16.1K]

Answer:

48

Step-by-step explanation:

6 x 8 = 48. Simple as that. She made enough to send 6 cookies to 8 different groups.

7 0
3 years ago
Read 2 more answers
I need the answer for this question
joja [24]
3x+3=192 is the equation
To solve the equation, you would subtract 3 from both sides, 3-3 cancels out, so 192-3= 189. Then, you are left with 3x=189 so you divide both sides by 3, 3x divided by 3 cancels out, so you do 189 divided by 3 which is 63.
Answer to equation: x=63
Equation: 3x+3=192
8 0
3 years ago
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