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konstantin123 [22]
3 years ago
12

What is the formula for simple interest?

Mathematics
2 answers:
Afina-wow [57]3 years ago
8 0

Answer:

A = P (1 + rt)

A = final amount

P = initial principal balance

r = annual interest rate

t = time (in years)

Step-by-step explanation: brainliest plz

Mandarinka [93]3 years ago
7 0
A = P(1 + rt)

The answer needs to be 20 characters but this is the formula for simple interest.
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What is the minimum or maximum value of the equation of this equation?<br> f(x) = -(x-8)^2 -30​
Snezhnost [94]

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Answer:

  f(8) = -30 is the maximum

Step-by-step explanation:

The equation is that of a parabola in vertex form:

  y = a(x -h)^2 +k . . . . . . . . (h, k) is the vertex; 'a' is the scale factor

Comparing this form to the given equation, we have ...

  f(x) = -(x -8)^2 -30

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That is, the scale factor is -1, and the vertex is (8, -30).

When the scale factor is negative, the graph opens downward and the vertex is a maximum. The maximum value is -30.

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Step-by-step explanation:

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3 years ago
Please help this is so difficult
White raven [17]

Answer:

B

Step-by-step explanation:

For a line to be parallel it must have the same slope

6x-2y=-5

+5        +5

6x-2y+5 = 0

   +2y       +2y

6x+5  =2y

/2        /2

3x+5/2=y                  So the slope is 3 and we know it can only be either B or D

Now we need to find which line passes through (7,-2) and we find this by plugging 7 into B and D

B. -2= 21-23 TRUE

D. -2 = 21+ 23 FALSE

So the answer is B

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3 years ago
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2 years ago
A store sells small notebooks for $7 and large notebooks for $10 if a student buys 6 notebooks and spends $51 how many of each s
Finger [1]
He bought 3 small notebooks (3*7=21) and 3 large notebooks (3*10=30)
21+30=51
5 0
3 years ago
Read 2 more answers
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