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nalin [4]
3 years ago
9

Answer this plzzzzzzz?

Mathematics
2 answers:
sattari [20]3 years ago
6 0
I like your cut G!!!!!!
Alex Ar [27]3 years ago
5 0

Answer:

Pretty sure it's $6.45

Step-by-step explanation:

So you need to find how much it costs to fix 1 pane.

For that you divide 17.20/8= 2.15

so to fix 1 pane it costs $2.15

Now you need to find the cost to fix 3 panes. Multiply 2.15x3= 6.45

So to fix another 3 panes he needs to pay $6.45

Hope this helps:)

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Rose works eight hours a day for five days a week. how many hours will she work in six weeks ?
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Read 2 more answers
3. A balancing balloon toy is in the shape of a hemisphere (half-sphere) attached to the base of a cone. If the toy is 4ft tall
Katen [24]

Answer:

The volume of the toy is V=5.23\ ft^3

Step-by-step explanation:

step 1

Find the volume of the hemisphere

The volume of the hemisphere is given by the formula

V=\frac{2}{3}\pi r^{3}

In this problem, the wide of the toy is equal to the diameter of the hemisphere

so

D=2\ ft

r=2/2=1\ ft ----> the radius is half the diameter

substitute

V=\frac{2}{3} \pi (1)^{3}=\frac{2}{3} \pi\ ft^3

step 2

Find the volume of the cone

The volume of the cone is given by

V=\frac{1}{3}\pi r^{2}h

we know that

The radius of the cone is the same that the radius of the hemisphere

so

r=1\ ft

The height of the cone is equal to subtract the radius of the hemisphere from the height of the toy

h=4-1=3\ ft

substitute the given values

V=\frac{1}{3}\pi (1)^{2}(3)=\pi\ ft^3

step 3

Find the volume of the toy

we know that

The volume of the toy, is equal to the volume of the cone plus the volume of the hemisphere.

so

V=(\frac{2}{3} \pi+\pi)\ ft^3

V=(\frac{5}{3}\pi)\ ft^3

assume

\pi=3.14

V=\frac{5}{3}(3.14)=5.23\ ft^3

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