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svetoff [14.1K]
2 years ago
5

The area of your store is 81 yd² and you want to purchase some rugs to polish of the decor. You find the perfect rug that is 3ft

x 9ft. How many do you need to purchase to cover the whole floor of your shop? Explain your answeR
Mathematics
2 answers:
sasho [114]2 years ago
3 0

Answer:

27 rugs

Step-by-step explanation:

81 yd^2 = 729 ft^2\\

since one rug is 27 ft^2\\ (3 ft * 9ft), you divide 729 ft^2 by 27 ft^2 which is 27

Tema [17]2 years ago
3 0
3, because the area of each is 27 yd^2, so it would take 3*27 to cover 81yds
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1. W+ 4 = 16
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3 years ago
A pet supplier has a stock of parakeets of which 20% are blue parakeets. A pet store orders 3 parakeets from this supplier. If t
Levart [38]

Answer:

0.384

Step-by-step explanation:

pet supplier has a stock of parakeets of which 20% are blue parakeets

20/100 = 0.2 blue parakeets (success)

1-0.2 = 0.8 not parakeets (not success)

A pet store orders 3 parakeets from this supplier

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P(x=1)=nCr (p)^r(q)^{n-r}

n=3, r=1, p = 0.2 , q=0.8

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0.384

5 0
2 years ago
In 2016 the United States had a population of about 323 million people and was growing at 0.7 %. Use an explicit exponential mod
ElenaW [278]

Answer:

2047

Step-by-step explanation:

We are given that

Growing rate=0.7%

\frac{dp}{dt}=\frac{0.7}{100}P

\int \frac{dP}{P}=0.007\int dt

lnP=0.007t+C

Using the formula

\int \frac{dx}{x}=ln x+C

P=e^{0.007t+C}=e^{0.007t}\cdot e^C=Ae^{0.007t}

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Now, substitute P=400 million

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t=\frac{ln(1.2384}{0.007}

t=30.5\approx 31 Years

Year=2016+31=2047

Hence,In 2047 the U.S population will reach 400 million people.

5 0
3 years ago
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Jlenok [28]
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