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2 years ago

Please answer this question !! 20 points and brainliest !! Thank you !!

Mathematics

2 answers:

Vaselesa [24]2 years ago

4 0

Answer: No

(2,3)

y = 2x-4

3 = 4- 4

3 =/ 0

White raven [17]2 years ago

3 0

Answer:

b) No

Step-by-step explanation:

You can check whether it is or not by plugging the x and y values into the equation. Remember, 2 is x and 3 is y.

y = 2x - 4

3 = 2*2 -4

3 = 4 - 4

3 = 0

NOT TRUE!

We don't even have to check the other equation to see if it is true for that one, because as long as it doesn't work for one equation, it isn't the solution.

Hope this helps you out!

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310 is the product of 106 and n

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Answer:

Step-by-step explanation:

106n=310

n=300/106=150/53

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Nine people share 6 cookies equally what fraction of a cookie does each person get?

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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%

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

2 years ago