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nirvana33 [79]
3 years ago
12

Solve the two-step equation. - 2/3 x - 21/4 = 27/4

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
6 0

Answer:

x = -18

I hope this helps!

klemol [59]3 years ago
6 0

Answer:

X- (-18)

Step-by-step explanation:

Hope this helps:)

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The vertex of the graph of y = -4(x + 3)2 + 2 is ( , )
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Step-by-step explanation:

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Read 2 more answers
Find the missing length indicated.<br> A) 48 <br> B) 36 <br> C) 100 <br> D) 64
alexandr402 [8]

Answer:

Option D) 64

Step-by-step explanation:  

see the attached figure with letters to better understand the problem

<em>In the right triangle BCD find BC</em>

Applying the Pythagoras Theorem

BC^{2}=48^{2}+36^{2}\\BC^{2}=3,600\\BC=60\ units

<em>In the right triangle ABC</em>

cos(C)=BC/AC

substitute the values  

cos(C)=60/(x+36) -------> equation A

<em>In the right triangle BDC</em>

cos(C)=CD/BC

substitute the values

cos(C)=36/60 -------> equation B

equate equation A and equation B

60/(x+36)=36/60\\ \\(x+36)*36=60*60\\ \\36x+1,296=3,600\\ \\36x=3,600-1,296\\ \\36x=2,304\\ \\x=64\ units

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