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lidiya [134]
3 years ago
8

Which irrational number is between 9 and 10?

Mathematics
1 answer:
sp2606 [1]3 years ago
3 0
Turn the question around.

9^2 = 81
10^2 = 100

Which of those numbers listed under a the square root is between 81 and 100?
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Please help me with this for 20 points
astra-53 [7]

Answer:

\large a)\ f(x)=\dfrac{5}{9}(x-32)\\\\b)\ f^{-1}(x)=\dfrac{9}{5}x+32\\\\9^oC=48.2^oF

Step-by-step explanation:

C=\dfrac{5}{9}(F-32)\\\\a)\ f(x)=\dfrac{5}{9}(x-32)\\\\b)\ C=\dfrac{5}{9}(F-32)\\\\\text{solve for F}\\\\\dfrac{5}{9}(F-32)=C\qquad\text{multiply both sides by 9}\\\\5(F-32)=9C\qquad\text{divide both sides by 5}\\\\F-32=\dfrac{9}{5}C\qquad\text{add 32 to both sides}\\\\F=\dfrac{9}{5}C+32\\\\f^{-1}(x)=\dfrac{9}{5}x+32

c)\ \text{Put}\ x=9\ \text{to}\ f^{-1}(x):\\\\f^{-1}(9)=\dfrac{9}{5}(9)+32=\dfrac{81}{5}+32=16.2+32=48.2\\\\9^oC=48.2^oF

4 0
3 years ago
The marching band at your school has 1.5 times as many trumpets as flutes. Which statement is true? these are the answers.
devlian [24]
The first one is the correct ratio.
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3 years ago
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Find the 14th term of the geometric sequence 2,4,8
murzikaleks [220]

Answer:

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Step-by-step explanation:

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2 years ago
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Will this happen in avenger 4?
Marizza181 [45]

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4 0
3 years ago
This is due in 10 minutes help!!!!!
Paul [167]

Answer:

option 1

<h3>10</h3>

Step-by-step explanation:

using distance formula

=> root{ ( x2 - x1)² + (y2-y1)²}

=> root {(-5-1)² + (2+6)²}

=> root {(-6)² + (8)²}

=> root {36 + 64}

=> root {100}

=> 10 units

3 0
3 years ago
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