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2 years ago

12

abby and her 7 friends had lunch at the neighborhood burger barn.the bill was $47.60. if they shared the cost of the lunch equal

ly,how much did each person pay?

2 answers:

meriva2 years ago

6 0

Answer:

$6.80

Step-by-step explanation:

Gelneren [198K]2 years ago

6 0

Each person pays $6.80.

You get this by dividing the cost by the people paying.

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Solve for x math question

Colt1911 [192]

Square both sides

9(x + 2) = x + 4

Expand

9x + 18 = x + 4

Subtract x from both sides

9x + 18 - x = 4

Simplify 9x + 18 - x to 8x + 18

8x + 18 = 4

Subtract 18 from both sides

8x = 4 - 18

Simplify 4 - 18 to -14

8x = -14

Divide both sides by 8

x = -14/8

Simplify 14/8 to 7/4

<u>C. x = -7/4</u>

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3 years ago

How do I transform the equations 5x+4y=8 and -2x+5y=30 so that they are in the form that y=MX+b?

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4y=5x+8 5y=-2x+30 the y always goes first. then the equal sign. next is x and finally just the digit which is also known as "b".

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3 years ago

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Appease answer ill do anything please

liberstina [14]

Answer:

y=50x

Step-by-step explanation:

distance = 50 times the laps

100= 50 x 2

200 = 50 x 4

250= 50 x 5

400 = 50 x 8

5 0

3 years ago

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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%

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%

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3 years ago

A student drops a penny of a house that is 16 feet tall if the equation of height as a function is h(t)= -16t2 + initial height

Molodets [167]

Answer:

it will take 3.5 seconds

Step-by-step explanation:

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3 years ago

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