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kow [346]
3 years ago
13

Sirgeo wants to fence in a circular portion of his backyard for a place space for his dog. Determine the area of the largest por

tion of the yard he can close with 72 feet of fencing use 3.14 for pi
Mathematics
1 answer:
pickupchik [31]3 years ago
4 0

Answer:

  412.7 square feet

Step-by-step explanation:

A circle of circumference 72 ft will have a radius given by ...

  C = 2πr

  (72 ft) = 2(3.14)r

  r = (72 ft)/(6.28) ≈ 11.465 ft

The area of a circle with that radius is ...

  A = πr² = 3.14(11.465 ft)² ≈ 412.7 ft²

Sirgeo can enclose a circular area of about 412.7 square feet with 72 feet of fence.

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In a shipment of 400 parts, 14 are found to be defective. How many defective parts should be expected in a shipment of 1200?
Kipish [7]

1200 parts/ 400 parts = 3

12 parts x 3 = 36 parts

In 1200 parts, 36 would be bad.

5 0
3 years ago
Someone please help with number 13
natali 33 [55]

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3 years ago
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Steve travels 5 times as fast as Kevin. Traveling in opposite directions, they are 390 miles apart after 5 hours. Find their rat
Kaylis [27]

Answer:

steve=65 mph

kevin=13 mph

Step-by-step explanation:

steve=s

kevin=k

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3 years ago
Please help!!!!<br> I desperately need the correct answer I’ve been trying all day!
zysi [14]

Answer:14708

Step-by-step explanation:Exponential Functions:

y=abxy=ab^x this is not right      not correct

y=ab

x

a=starting value = 13000a=\text{starting value = }13000

a=starting value = 13000

r=rate = 2.5%=0.025r=\text{rate = }2.5\% = 0.025

r=rate = 2.5%=0.025

Exponential Growth:\text{Exponential Growth:}

Exponential Growth:

b=1+r=1+0.025=1.025b=1+r=1+0.025=1.025

b=1+r=1+0.025=1.025

Write Exponential Function:

y=13000(1.025)xy=13000(1.025)^x

y=13000(1.025)

x

Put it all together

Plug in time for x:\text{Plug in time for x:}

Plug in time for x:

y=13000(1.025)5y=13000(1.025)^{5}

y=13000(1.025)

5

y=14708.30677y= 14708.30677

y=14708.30677

Evaluate

y≈14708y\approx 14708

y≈14708

5 0
3 years ago
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GREYUIT [131]
20+35+30= 1 hr&25 min so she should leave at 5:20
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