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Gnesinka [82]
3 years ago
13

For the function f(1) = Pere, if P = 7 and r= 0.07, then what is the value of f(7)

Mathematics
2 answers:
Kipish [7]3 years ago
7 0

Answer:I think b

Step-by-step explanation:

Elis [28]3 years ago
3 0

Answer:

A. 11.4

Step-by-step explanation:

f(t) = Pe^{rt}

Data:

P = 7

r = 0.07

Calculation:

\begin{array}{rcl}f(t) & = &Pe^{rt}\\f(7)& = & 7 e^{(0.07 \times 7)}\\ & = & 7 e^{0.49}\\& \approx & 7 \times 1.632\\ & \approx & \mathbf{11.4}\\\end{array}

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shepuryov [24]

Answer:D) 1 hr

Step-by-step explanation:

Given

Pump A and B can fill tank in \frac{6}{5} hr

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Let A be the total hr taken A therefore rate of A=\frac{1}{A} /hr

Let B be the total hr taken B therefore rate of B=\frac{1}{B} /hr

Let C be the total hr taken C therefore rate of C=\frac{1}{C} /hr

\frac{1}{A}+\frac{1}{B}=\frac{5}{6}-----1

\frac{1}{B}+\frac{1}{C}=\frac{1}{2}-----2

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Adding 1,2 & 3

2(\frac{1}{A}+\frac{1}{B}+\frac{1}{C})=\frac{5}{6}+\frac{1}{2}+\frac{2}{3}

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thus time taken by A,B and C combined is 1 hr

7 0
3 years ago
BRAINLIEST IF correct
ycow [4]

Answer:

1.

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Step-by-step explanation:

8 0
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ryzh [129]

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Step-by-step explanation:

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yawa3891 [41]
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