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forsale [732]
3 years ago
8

Please answer this correctly I want helping hand people to answer this correctly

Mathematics
1 answer:
crimeas [40]3 years ago
3 0

Answer:

w = 36

Step-by-step explanation:

You can make a ratio 98 : 84 = 42 : w

\frac{49}{42}=\frac{42}{w}

49w = 1764

w = 36

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your first constant of propotionality is 10

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A graph has a constant of proportionality of 35. Let y represent miles and x represent gallons.
Harman [31]

Answer:

Step-by-step explanation:35x

6 0
3 years ago
Does (-2)^n/( 3^n+1) converge or diverge?
hodyreva [135]
\left|\dfrac{(-2)^n}{3^n+1}\right|=\dfrac{2^n}{3^n+1}

As n\to\infty, the sequence a_n=\left(\dfrac23\right)^n converges to zero.

If you're talking about the infinite series

\displaystyle\sum_{n\ge0}\dfrac{(-2)^n}{3^n+1}

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3 years ago
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NeX [460]
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3 years ago
Abbi has $400 in $5 bills. If she has 38 bills, how many of them are $20?
Sergio039 [100]
F=5 dollar bills
t=twent dollar bills

38 total bills
f+t=38

400 in bills
400=5f+20t

we have
f+t=38
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multipy first equation by -5 and add to second equation

-5f-5t=-190
5f+20t=400 +
0f+15t=210

15t=210

divide both sides by 15
t=14

subsitute
t+f=38
15+f=38
f=23


23 five dolar bills
15 twenty dollar bills
3 0
3 years ago
Read 2 more answers
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