14.11.2022

R – 5=16
Solve one-step addiction and subtraction equations

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24.06.2023, solved by verified expert

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Mathematics
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P Answered by PhD

R is 21

21 - 5 = 16

16 + 5 = 21

Mathematics
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The answer is in the image 

The answer is in the 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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P Answered by PhD
The answer is in the image 

The answer is in the image 

Mathematics
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P Answered by PhD

The solution is given in the image below

The solution is given in the image below
Mathematics
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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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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.

Mathematics
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tip=18% of 75.45

     =18/100 * 75.45 = $13.581

Tip = $13.581

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