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2 years ago

7

a child has a collection of football cards. they are to be kept in a folder with 9 cards on each page.the child has 28 complete

sets of 12 cards. how manypages will be needed to store the cardss?

2 answers:

timofeeve [1]2 years ago

7 0

The answer is 37.7 :)

maria [59]2 years ago

5 0

Answer:

37.7

Step-by-step explanation:

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Brian, Kelsey, and Geoff each have a remote-controlled car. They simultaneously started their cars and drove them in a straight

shutvik [7]

Answer:

Brian’s and Kelsey’s cars traveled at the same rate.

Step-by-step explanation:

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2 years ago

At a coffee sale held one day in 2004 ,the average price of 50 kg bag of coffee was sh 2422.90 . What was the cost of 1 kg of co

gregori [183]

Answer: $ 48.46

Step-by-step explanation:

If the price of 50 Kg of coffee was 2422.99, what is the cost of 1 Kg of coffee?

50/1 = 2422.90/x (cross multiplication)

48.46

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2 years ago

If x equals 8 -(-2.25) and y equals 6-4.2-(-4.9) what is the value of x-y

slamgirl [31]

Answer:

x = 10.25

y = 6.7

Step-by-step explanation:

X = 8 - (-2.25) = 10.25

Y = 6 - 4.2 - (-4.9) = 6.7

8 0

2 years ago

What are the solutions of the equation x^4-9x^2+8=0? Use u substitution to solve.

vodka [1.7K]

Answer:

The answer is the second option

Step-by-step explanation:

Let u=x^2.

$( {x}^{2} ) {}^{2} - 9( {x}^{2} ) + 8( {x}^{2} ) {}^{0}$

${u}^{2} - 9u + 8$

$(u - 1)(u - 8)$

$u = 1$

$u = 8$

Set this equal to x^2

${x}^{2} = 1$

$x = 1$

or

$x = - 1$

${x}^{2} = 8$

$x = 2 \sqrt{2}$

or

$x = - 2 \sqrt{2}$

4 0

1 year ago

Stanley recieved 110 pieces of candy for Halloween. He gave 20% of his candy to his little brother. So far, he has eaten 25% of

SVEN [57.7K]

10% of 110 = 11
20%= 11 x 2 = 22
22
10% of 22 = 2.2
2.2 x 2 = 20% = 4.4
2.2/2= 5% =1.1
4.4+ 1.1
=5.5 pieces of candy left

3 0

2 years ago