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Fofino [41]
3 years ago
9

Which table of ordered pairs represents a proportional relationship?

Mathematics
1 answer:
Anna11 [10]3 years ago
6 0

Answer: a

Step-by-step explanation: i took the test

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The sum of the first k terms in the sequence is 118096, find the value of k. The first term is 78732 the common ratio is 1/3.
FrozenT [24]

Answer:

k = 10

Step-by-step explanation:

The sum of k terms of a geometric sequence with first term a1 and common ratio r is given by ...

... Sk = a1·(1 -r^k)/(1 -r)

For the given numbers, this is ...

... 118096 = 78732·(1 -(1/3)^k)/(1 -1/3)

Manipulating this to get the term containing k, we have

... 1 -(2/3)(118096/78732) = (1/3)^k

... 1/59049 = (1/3)^k

Taking logarithms, we get

... -log(59049) = -k·log(3)

... log(59049)/log(3) = k = 10

8 0
2 years ago
Lana sells lampshades for $8 each and paper lanterns for $5 each at a one-day craft fair. She sells k lampshades and (k+5) paper
DENIUS [597]

Answer:

8k + 5k + 25

Or

13k + 25

Step-by-step explanation:

Lana's total sales = 8k + 5(k+5)

Since the expressions are not given in the question;

The equivalent expression could be

= 8k + 5k + 25

Equivalent to

= 13k + 25

3 0
3 years ago
The scale factor from Drawing 1 to Drawing 2 is 41 2 over 3 %. Justify why Drawing 1 is a scale drawing of Drawing 2 and why it
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Answer:

2

Step-by-step explanation:

3 0
2 years ago
I will give the BRAINIEST!!!<br><br>Which of these statements best describes the relation shown? ​
ludmilkaskok [199]

Answer:

i believe the answer is C

Step-by-step explanation:

i dont know its just what i would choose im not the smartests in math

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2 years ago
X^2+X=56<br> Help please!!!!
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The value of x is either +7 or -8
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