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Ipatiy [6.2K]
3 years ago
9

Use the figure. Help me with this please

Mathematics
1 answer:
defon3 years ago
4 0

The answer is C: 4.4

It might be A at the same time tho LMOO

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Is(–10, 7)asolutiontotheinequality<br> 18x + 16y &lt; –7 ?
ICE Princess25 [194]
The answer is 20 because you dive it
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A test consists of 10 problems and students are told to answer any 4 of these questions. In how many different ways can they cho
ki77a [65]
In this item, it is not given that there has to be specific arrangement or order as to how the questions are going to be answered. Hence, the concept that can be used in order to answer this item is the concept of combination which states that, 
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This is read as "combination of n taken r". In this item, n = 10 and r = 4. Substituting the known vaues to the equation,
          10C4 = (10!) / (4!)(10 - 4)!
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Varvara68 [4.7K]
Not enough information is that all of the question?
5 0
3 years ago
A 15ftX20ft room has a 6ft diameter circular rug in it. How much of the flood is not covered by the rug?
Luda [366]

Answer:

There are 271.74 ft^2 not covered by the rug

The percentage not covered by the rug is 90.58%

Step-by-step explanation:

step 1

Find out the area of the room

The area of the rectangular room is

A=(15)(20)=300\ ft^2

step 2

Find out the area of the circular rug

The area of the circle is

A=\pi r^{2}

we have

\pi =3.14

r=6/2=3\ ft ----> the radius is half the diameter

substitute

A=(3.14)(3)^{2}

A=28.26\ ft^{2}

step 3

Find out what percentage of the room is not covered by the rug

we know that

300 ft^2 represent the 100%

so

using proportion

Find out what percentage represent the difference (300-28.26)=271.74 ft^2

Let

x ----> the percentage not covered by the rug

\frac{300}{100\%}=\frac{271.74}{x}\\\\x=100(271.74)/300\\\\x=90.58\%

Convert to fraction form

90.58\%=\frac{90.58}{100}

Simplify

\frac{4,529}{5,000}

therefore

There are 271.74 ft^2 not covered by the rug

The percentage not covered by the rug is 90.58%

4 0
3 years ago
The sum of three consecutive numbers is 498.what is the 3rd number
marshall27 [118]

Answer:

Denote 3 consecutive numbers as: (n-1), n, (n+1)

=> n - 1 + n + n + 1 = 498

=> 3*n = 498

=> n = 166

=> n + 1 = 166 + 1 = 167

=> 3rd number is 167

8 0
3 years ago
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