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3 years ago

How to turn 12.5 into a decimal

Mathematics

1 answer:

shtirl [24]3 years ago

6 0

Answer:

that already is a decimal

Step-by-step explanation:

the fraction form of it is 12 and 1/2

the decimal version of that it 12.5

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Is x^ 2 - 16 the difference between two squares? Why?

bearhunter [10]

Answer:

x1= -4

x2 = 4

Step-by-step explanation:

Set the equation equal to zero

x2 − 16 = 0

then

(x + 4)(x − 4) = 0

(x+4)= 0 which is equal to -4

and

(x-4)= 0 equals 4

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Answer:

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Step-by-step explanation:

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3 years ago

Find the value of b if it is known that the graph of y=-3x+b goes through the point N (5,2)

dsp73

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Step-by-step explanation:

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3 years ago

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At Friday's football game, 1,294 tickets were sold for a total amount of $8,816.00. If each student ticket costs $5.00, and each

NeTakaya

Answer:

512 student tickets.

Step-by-step explanation:

Let x be number of student tickets and y be number of adult tickets.

We have been given that at Friday's football game 1,294 tickets were sold. We can represent this information as:

$x+y=1294...(1)$

We are also told that each student ticket costs $5.00, and each adult ticket costs $8.00 and 1,294 tickets were sold for a total amount of $8,816. We can represent this information as:

$5x+8y=8,816...(2)$

From equation (1) we will get,

$y=1294-x$

Substituting this value in equation (2) we will get,

$5x+8(1294-x)=8,816$

$5x+10352-8x=8,816$

$-3x+10352=8,816$

$-3x=8,816-10352$

$-3x=-1536$

$x=\frac{-1536}{-3}$

$x=512$

Therefore, 512 student tickets were purchased at Fridays football game.

6 0

3 years ago