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3 years ago

crackers come in packages of 24 cheese slices come in packages of 18 andy wants one cheese slice for each cracker

1 answer:

3 0

If you were asking for how many packages you would like if each you would want one pack of crackers, and two packages of cheese. Simple math. The reason why you get that answer and that equation/solution, is by simply make ing the cheese grater then the crackers, but if the cheese is lower then the crackers, you get more cheese packages because then you get two times the cheese and you will have enough cheese for all the crackers. You may have a little bit of cheese left, but who doesn't like it plain? That is the answer.

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Solve x2 − 12x + 5 = 0 using the completing-the-square method. x = six plus or minus the square root of five x = negative six pl

Andru [333]

we are given

$x^2-12x+5=0$

we have to solve it by completing square method

step-1: Move 5 on right side

$x^2-12x+5-5=0-5$

$x^2-12x=-5$

step-2: Break middle term

$x^2-2*6*x=-5$

step-3: Add 6^2 both sides

$x^2-2*6*x+(6)^2=-5+(6)^2$

$(x-6)^2=31$

step-3: Solve for x

$\sqrt{(x-6)^2} =\sqrt{31}$

we wil get two values

First value is

$x-6=\sqrt{31}$

add both sides 6

$x-6+6=6+\sqrt{31}$

$x=6+\sqrt{31}$

Second value is

$x-6=-\sqrt{31}$

add both sides 6

$x-6+6=6-\sqrt{31}$

$x=6-\sqrt{31}$

so, solutions are

$x=6+\sqrt{31}$

$x=6-\sqrt{31}$ .............Answer

5 0

3 years ago

usain bolt, a Jamaica retired sprinter and world record holder in the 100 meters, 200 meters and 4 × 100 meters relay, has an av

Novosadov [1.4K]

For this case we have the following conversion of units:

$1mi = 1609m$

$1h = 3600s$

Thus, applying the conversion of units we have:

$(23.35 \frac{mi}{h}) (\frac{1609}{1}\frac{m}{mi}) (\frac {1}{3600}\frac{h}{s}) = 10.4 \frac{m}{s}$

Then, the distance traveled for 5 seconds is given by:

$d = (10.4) (5)$

$d = 52m$

Answer:

he has completed 52 meters of the 80-meter race

5 0

3 years ago

-2x + y = 4<br> y = x + 2<br><br><br> Third question^ solve the system of equations

Leya [2.2K]

Answer:

x=-2 y=0

Step-by-step explanation:

put the second equation in to the first one

-2x+x+2=4

-x=2

x=-2

y=-2+2=0

x=-2 y=0

6 0

3 years ago

Write an inequality to describe the maximum number of tickets that can be sold for a hockey game if the hockey arena has 2000 se

melamori03 [73]

Answer:

x≤2,000

Step-by-step explanation:

You can't have any more than 2,000 tickets, so it would be x can't be anymore than 2,000, or x≤2,000

4 0

3 years ago

Two square pyramids have the same volume. For the first pyramid, the side length of the base is 20 in. and the height is 21 in.

Mrrafil [7]

The volume of the pyramid is calculated by multiplying the area of the base by the height of the figure. For this item, for the figures to have the same volume,
V = B1H1 = B2H2
Then, we substitute the given values, and since we are not given the shape of the base and the volume of the entire figure, we can just solve it through the way below.
(20 in)(21 in) = (x in)(84 in)
The value of x in the problem is 5 inches.

3 0

3 years ago

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