19.11.2020

Evaluate 8-2.
A. -16
B. -64
C. -1/64
D. 1/64

. 0

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09.07.2023, solved by verified expert
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I'm assuming you meant to write 8^(-2) or Evaluate 8-2. A. -16 B. -64 C. -1/64 D. 1/64, №18010367, 19.11.2020 10:53 where the -2 is the exponent over the 8.

If my assumption is correct, then we use the rule Evaluate 8-2. A. -16 B. -64 C. -1/64 D. 1/64, №18010367, 19.11.2020 10:53

So,

Evaluate 8-2. A. -16 B. -64 C. -1/64 D. 1/64, №18010367, 19.11.2020 10:53

Choice D.  1/64
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P Answered by PhD

The solution is in the following image

The solution is in the following image
Mathematics
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y=2x+15

where y=Value of coin

x=Age in years

Value of coin after 19 years=2*19+15

=$53

Therefore, Value after 19 years=$53

Mathematics
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The answer is in the image 

The answer is in the image 

Mathematics
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F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Mathematics
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P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Approximately it is aqual to 1300kg

Mathematics
Step-by-step answer
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Salesperson will make 6% of 1800

=(6/100)*1800

=108

Salesperson will make $108 in $1800 sales

Mathematics
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P Answered by PhD

Here,

tip=18%of $32

tip=(18/100)*32

=0.18*32

=$5.76

Total payment=32+5.76=$37.76

Mathematics
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P Answered by PhD

Speed=Distance/time

Here,

distance=15m

time=1sec

speed=15/1=15m/sec

Distance=Speed*time

time=15min=15*60sec=900sec

Distance travelled in 15 min=15*900=13,500m

=13500/1000 km=13.5Km

Mathematics
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P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

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