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dybincka [34]
3 years ago
9

the sum of two numbers is 63. The smaller number is 9 less than the larger number.what are the numbers

Mathematics
1 answer:
dezoksy [38]3 years ago
7 0

Answer:

27 and 36

Step-by-step explanation:

x + (x - 9) = 63

2x - 9 = 63

add 9 to both sides

2x = 72

Divide both sides by2

x = 36

x - 9 = 36 - 9

x - 9 = 27

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The pool is cubical, so the length and width are the same dimension.

First find the volume of the pool that is filled by water:

Volume = 12 x 12 x 2 = 288 cubic meters.

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1 cubic meter = 1,000 liters

288 x 1000 = 288,000 liters

7 0
3 years ago
What is the biggest decimal and take away two​
tensa zangetsu [6.8K]

Answer:

about -1

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0.9999999999 minus 2

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From a 28-inch by 28-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to mak
elixir [45]

Answer:t The volume of the box as a function of x is given by

Volume=(28-2x)^2x

Step-by-step explanation:

Since we have given that

Length of metal = 28 inch

Width of metal = 28 inch

Since squares are cut out of the four corners so that the sides can then be folded up to make a box.

Let the length of the sides of the squares that are cut out be 'x'.

So, Length of box would be

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Width of the box would be

28-2x

Height of the box would be x.

As we know the formula for "Volume of box":

Volume=(28-2x)(28-2x)x\\\\Volume=(28-2x)^2x

Hence, the volume of the box as a function of x is given by

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3 0
3 years ago
30 points!!! Find the area of each. Round to the nearest tenth. Do not include units in
Ronch [10]

Answer:

Area of triangle = 8.9

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Step-by-step explanation:

✔️Area of the triangle = ½*base*height

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height = 5.9 m

Area of triangle = ½*3*5.9

Area of triangle = 8.85 ≈ 8.9 (nearest tenth)

✔️Area of parallelogram = base*height

base = 8.9 yd

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Area of parallelogram = 8.9*6 = 53.4 yd²

4 0
3 years ago
What is the x-intercept of<br> 3x – 4y = 242
Andreas93 [3]

Answer:

x=242/3

alternative form= 80 2/3, x=80.6

Step-by-step explanation:

3x-4y=242

substitute y = 0

3x-4x0=242

calculate the product

3x-0=242

remove 0

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divide both sides (by 3 in order to leave x by itself)

done

5 0
3 years ago
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