3 years ago

Answer my question please help

Mathematics

1 answer:

Alchen [17]3 years ago

6 0

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Label the place value 7,854.209

yuradex [85]

7(thousands)
8(hundreds)
5(tens)
4(ones)
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2 years ago

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25 POINTS!! Please help with answers !

Allisa [31]

Answer:

1.28/7. 2.-17/7. 3.-11/-3. 4.not sure. 5. cant remeber rest

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2 years ago

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anzhelika [568]

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2 years ago

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What is the formula for the nth term of the given sequence 100, 20, 4, …

Naily [24]

Answer:

$a_n=100 \left(\dfrac15\right)^{n-1}$

Step-by-step explanation:

General equation of geometric sequence: $a_n=ar^{n-1}$

Given:

a₁ = 100
a₂ = 20
a₃ = 4

$\implies a_1=a=100$

$\implies a_2=100 \cdot r=20$

$\implies a_3=100 \cdot r^2=4$

Common ratio:

$r=\dfrac{a_3}{a_2}=\dfrac{4}{20}=\dfrac15$

Therefore:

$a_n=100 \left(\dfrac15\right)^{n-1}$

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1 year ago

Someone answer the whole thing fast plz

Brilliant_brown [7]

Answer:

y = 2x + 54

Step-by-step explanation:

slope of equation:

(y2-y1)/(x2-x1)

= (72-58)/(9-2)

= 14/7

= 2

y = 2x + b

58 = 2(2) + b

58 = 4 + b

b = 54

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3 years ago