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PilotLPTM [1.2K]
3 years ago
6

Mark purchased a new stereo that sells for

Mathematics
1 answer:
nekit [7.7K]3 years ago
4 0

120 a month (1250-650 = 600, 600 divided by 5 = 120)

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Translate the following sentence into equations <br> •Three less than "x" is equal to 13
Vikentia [17]
3 less then x.......x - 3
is equal to 13...= 13

x - 3 = 13 <==
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3 years ago
PLEEASE COME TO MY CLASS AND CRASH IT WITH DN JOKES OR MUSIC
Grace [21]
Ok bet I got you say less
3 0
3 years ago
Read 2 more answers
Write the recursive formula then determine the next term of 3,10,24,52
Schach [20]

Answer:

  • f[1] = 3
  • f[n] = 2·f[n-1] +4
  • 108

Step-by-step explanation:

We observe that first differences of the given numbers are ...

  10 -3 = 7

  24 -10 = 14

  52 -24 = 28

That is, each difference is 2× the previous one. This suggests an exponential relation that has a base of 2.

We notice that doubling a term doesn't give the next term, but gives a value that is 4 less than the next term. So, we can get the next term by doubling the previous one and adding 4.

Then our recursive relation is ...

  f[1] = 3 . . . . the first term

  f[n] = 2×f[n-1] +4 . . . . double the previous term and add 4

The next term is 2·52 +4 = 108.

7 0
3 years ago
The number of phone calls between two​ cities, N, during a given time period varies directly as the populations p 1 and p 2 of t
kherson [118]

Answer:

∴73,563 calls are made between two cities with populations of 100,000 and 160,000 that are 435 miles apart.

Step-by-step explanation:

Given that,

The number of phone calls between two cities (N )

  • directly proportional as the value of populations p_1  and p_2  of two cities.
  • Inversely varies as the magnitude of distance (d).

N\propto\frac{p_1p_2}{d}

N=k.\frac{p_1p_2}{d}

Given that,

N=18,000, d=310 miles,  p_1=15,500 and p_2=180,000

18,000=k.\frac{15,500\times 180,000}{310}

\Rightarrow k=\frac{18,000\times310}{15,500\times 180,000}

\Rightarrow k=\frac{31}{15,500}

Now,

N=? , d=435 miles,  p_1=100,500 and p_2=160,000

N=\frac{31}{15,500}.\frac{100,000\times 160,000}{435}

\Rightarrow N\approx 73,563

∴73,563 calls are made between two cities with populations of 100,000 and 160,000 that are 435 miles apart.

5 0
3 years ago
What is 7/9 divided by 1/3
irakobra [83]

Answer:

\frac{21}{9}

Step-by-step explanation:

\frac{7}{9} (divide)\frac{1}{3} = \frac{7}{9}*\frac{3}{1} = \frac{21}{9}

4 0
3 years ago
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