3 years ago

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Mathematics

1 answer:

alexgriva [62]3 years ago

6 0

Answer:

Step-by-step explanation:directions

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The area of Ms. Anderson’s office floor measures 120

Maslowich

Answer:

72 square feet not covered

Step-by-step explanation:

100%-40% = 60%

60% of 120 = 0.6x120 = 72

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2 years ago

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A family pays $19 each month for Internet access. Next month, the cost will increase by 5% because of an equlpment fee. After th

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Answer:yk i’m looking for the answer too, i can’t find it

Step-by-step explanation:

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2 years ago

Find the composite solid . Can someone help with this...

Delicious77 [7]

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2 years ago

A cylinder and a cone are shown below.

Veronika [31]

Answer:

36 in³

Step-by-step explanation:

Volume of cylinder = pi×r²×h

Volume of cone = ⅓×pi×r²×h

For same r and h,

Volume of cone is ⅓ of the Volume of cylinder

⅓ × 108 = 36

3 0

2 years ago

in a window display at a flower shop, there are 3 spots for 1 plant each. to fill these 3 spots, adam has 7 plants to select fro

Andrej [43]

Answer: 210

Step-by-step explanation:

We know that the number of combinations of n things taken r at a time is given by :-

$C(n,r)=\dfrac{n!}{r!(n-r)!}$

So, number of ways to select 3 plants out of 7 = $C(7,3)=\dfrac{7!}{3!4!}=\dfrac{7\times6\times5\times4!}{6\times 4!}=7\times5=35$

Also number of ways to arrange them in 3 positions = 3! = 6

Now , total number of arrangements with 1 plant in each spot = (number of ways to select 3 plants out of 7) x (number of ways to arrange them in 3 positions)

= 35 x 6

=210

Hence, required number of ways = 210

5 0

2 years ago

Need this very badly ​

Need this very badly