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Vladimir [108]
3 years ago
12

What is the value of the expression below when c = 5 and d = 4? 6c2 – 5d + 8

Mathematics
1 answer:
xeze [42]3 years ago
3 0

Answer:

48

Step-by-step explanation:

given that c = 5 and d = 4?

so insert the value of c and d  equals 5 and 4 respectively

6c2 – 5d + 8

6 (5) × 2 - 5 (4) + 8

30 × 2 - 20  + 8

60 - 20 + 8

40 + 8

48

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What is standard form of y=2/5x - 3?
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Answer:

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The population of a particular city is given by the function P(t) = 27,400(1.07)t, where t is the time in years and P(t) is the
otez555 [7]

Answer:

27,400 is the current population

7% is the rate of increase

The new size is:

  • 38,430 is the population if t is an exponent
  • 146,590 is t is NOT an exponent in the formula you typed

Step-by-step explanation:

To find the population in a future year, use the formula:

P(t) = 27,400(1.07)t

Substitute the value t=5 to find the population in 5 years.

P(t) = 27,400(1.07)t\\P(t) = 27,400(1.07)(5)\\P(t) = 146,590


Or if the equation is supposed to have t as an exponent then look below:

P(t) = 27,400(1.07)^t

Substitute the value t=5 to find the population in 5 years.

P(t) = 27,400(1.07)^t\\P(t) = 27,400(1.07)^(5)\\P(t) = 38,430

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A_0 is the starting population which is 27,400 here.

4 0
3 years ago
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