29.05.2022

Type the correct answer in the box. assume π = 3.14. and round your answer to the nearest hundredth. at the rate of $2.00 per square foot, the cost of painting the rectangular board with a semicircular top shown in the figure is $.

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09.07.2023, solved by verified expert
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Answer:

The cost of painting the rectangular board with a semicircular top is $31.065 to the nearest hundredth.

Step-by-step

How to find the area of the composite figures?

To find area of the composite figures,

Separate the figure.

Calculate the are of the each figure by which the composite figure is made of.

Add the area of all the individual figures to get the total area of composite figures.

The dimentions of the rectangle is 3 by 4 foot. The area of the rectangle is,

Type the correct answer in the box. assume π, №18011317, 29.05.2022 20:45

The radius of the semicircle is 1.5 m. The area of the semicircle is,

Type the correct answer in the box. assume π, №18011317, 29.05.2022 20:45

The area of the composite figure is,

Type the correct answer in the box. assume π, №18011317, 29.05.2022 20:45

The rate of  painting is $2.00 per square foot. Thus the cost to paint the figure is,

Type the correct answer in the box. assume π, №18011317, 29.05.2022 20:45

Hence, the cost of painting the rectangular board with a semicircular top is $31.065 to the nearest hundredth.

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Mathematics
Step-by-step answer
P Answered by Master

Answer:

The cost of painting the rectangular board with a semicircular top is $31.065 to the nearest hundredth.

Step-by-step

How to find the area of the composite figures?

To find area of the composite figures,

Separate the figure.

Calculate the are of the each figure by which the composite figure is made of.

Add the area of all the individual figures to get the total area of composite figures.

The dimentions of the rectangle is 3 by 4 foot. The area of the rectangle is,

Answer:The cost of painting the rectangular board with a semicircular top is $31.065 to the nearest

The radius of the semicircle is 1.5 m. The area of the semicircle is,

Answer:The cost of painting the rectangular board with a semicircular top is $31.065 to the nearest

The area of the composite figure is,

Answer:The cost of painting the rectangular board with a semicircular top is $31.065 to the nearest

The rate of  painting is $2.00 per square foot. Thus the cost to paint the figure is,

Answer:The cost of painting the rectangular board with a semicircular top is $31.065 to the nearest

Hence, the cost of painting the rectangular board with a semicircular top is $31.065 to the nearest hundredth.

Mathematics
Step-by-step answer
P Answered by PhD

SI=(P*R*T)/100

P=2000

R=1.5

T=6

SI=(2000*1.5*6)/100

=(2000*9)/100

=180

Neil will earn interest of 180

Mathematics
Step-by-step answer
P Answered by PhD

For every 8 cars there are 7 trucks

Therefore,

Cars:Truck=8:7

Answer is B)8:7

Mathematics
Step-by-step answer
P Answered by PhD

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
Step-by-step answer
P Answered by PhD

The solution is given in the image below

The solution is given in the image below
Mathematics
Step-by-step answer
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
Step-by-step answer
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.

Mathematics
Step-by-step answer
P Answered by PhD

Salesperson will make 6% of 1800

=(6/100)*1800

=108

Salesperson will make $108 in $1800 sales

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