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AnnyKZ [126]
3 years ago
9

IT’S TIMED NEED HELP ASAP! If you don’t know please don’t answer

Mathematics
2 answers:
Andreas93 [3]3 years ago
7 0

Answer:

x = 12

Step-by-step explanation:

We know that LM and RS are the same because of they have the same mark, we can make a algebraic equation:

9x + 27 = 135

9x = 108

x = 12

enot [183]3 years ago
4 0

Answer:

12.2 or 12 2/9

Step-by-step explanation:

You set them equal to each other and solve

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Answer:

y = 288 - 60x

Step-by-step explanation:

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3 years ago
Suppose that 10 < n < 11. A possible value for n is
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10 < n < 11 \\
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Possible value can be easily obtained by generating an arithmetic mean

n = \frac{10 + 11}{2}  = 10.5
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Find the approximate perimeter of the trapezoid? PLSSS HELPPP
choli [55]

Answer:

49

Step-by-step explanation:

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side 3 = |16-4| = 12

side 4: \sqrt{(18-12)^2 + (4-16)^2} \\ \sqrt{36+144} \\ = \sqrt{180} \\ = 13,4

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2 years ago
My mystery number has 5 tens and 29 ones?
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If ƒ(x ) = 3x + 1 and ƒ -1 = , then ƒ -1(7) =
Elden [556K]
F(x) = 3x + 1

let f(x) = y

y = 3x + 1

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3x = y - 1

x = (y - 1)/3

From y = f(x),  x = f⁻¹(y) 

<span>x = (y - 1)/3
</span>
 f⁻¹(y)  = (y - 1)/3

f⁻¹(7)  = <span>(7 - 1)/3 = 6/3 = 2

</span>f⁻¹(7)<span> = 2</span>
6 0
2 years ago
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