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Wittaler [7]
3 years ago
11

18x2 - 54x – 20 Expand and simplify

Mathematics
2 answers:
Alina [70]3 years ago
5 0
Here you go. Gffghgftyhvv

slavikrds [6]3 years ago
5 0

Answer:

36x- 54x-20

-18x-20

-38

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3 years ago
8(C - 9) = 6(20 - 12) - 40​
krek1111 [17]

Answer:

All Real Numbers

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3 years ago
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What are the possible vaules of x it (4x-5)2=49?
d1i1m1o1n [39]

\boxed{The\:value\:of\:x\:is\:7.375.}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}

(4x - 5)2 = 49 \\ ⇢8x - 10 = 49 \\⇢8x = 49 + 10 \\  ⇢8x = 59 \\ ⇢x =  \frac{59}{8}  \\ ⇢x = 7.375

Therefore, the value of x is 7.375.

{ \bf{ \underbrace{To\:verify :}}}

(4x - 5)2 = 49 \\ ⇢(4 \times 7.375 - 5)2 = 49 \\ ⇢(29 .5 - 5)2 = 49 \\ ⇢24.5 \times 2 = 49 \\ ⇢49 = 49 \\ ⇢ L.H.S.=R. H. S

Hence verifed.

\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{.}}}}}

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Analyze prism shown, thank you.
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