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sesenic [268]
3 years ago
6

If a barrel has the capacity to hold 75 gallons how many gallons does it contain when it is 3/5 full

Mathematics
2 answers:
shutvik [7]3 years ago
5 0

Answer:

45 gallons

Step-by-step explanation:

Take the total number of gallons and multiply by the fraction it is holding

75 *3/5

75/5 *3

15*3

45

algol133 years ago
4 0

Answer: 45 gallons

Step-by-step explanation: Using proportions, I did ?/75 = 3/5. I cross multiplied so 75 x 3 = 225 divided by 5 = 45.

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The length of a rectangle is 5 more than the width. The area is 126 square feet. Find the length and width of the rectangle.
solmaris [256]

The length of the rectangle is 14 feet and the width of the rectangle is 9 feet.

The length of a rectangle is 5 more than the width. The area is 126 square feet.

We need to find the length and width of the rectangle.

<h3>What is the area of a rectangle?</h3>

The area of a rectangle is calculated by multiplying the rectangle's length by its width.

Let the width of the rectangle be x, then the length of the rectangle be x+5.

We know that the area of the rectangle = Length×Width

Now, the area of the rectangle = (x+5)×x=126 square feet.

⇒x^{2}+5x-126=0

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Since length cannot be a negative integer.

So, Width=9 feet and Length=9+5=14 feet.

Hence, the length of the rectangle is 14 feet and the width of the rectangle is 9 feet.

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3 0
1 year ago
The differencee of 3 times a number and 18 is 39
Bingel [31]

Answer:

3x-18 = 39

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x = 19

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Step-by-step explanation:

hope it help

7 0
3 years ago
Solid metal support poles in the form of right cylinders are made out of metal with a density of 7.3 g/cm^3 3 . This metal can b
sattari [20]

The cost of the metals from the calculations performed is $ 402421.

<h3>What is density?</h3>

Density can be explained as a quantity having  mass per unit volume and this can be calculated as:

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Density of the metal =  7.3 g/cm^3

height of the metal = 610 cm

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Volume of a cylinder  can be calculated by using the formular below:

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= 3.142 * (8.7)^2 * 610 cm = 145068.97cm^3

Then we can calculate the mass as :

Mass = (density * volume)

= (7.3 g/cm3 * 145068cm^3)\\\\=1059003kg

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;( 1059003kg * $0.38)

= $ 402421

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6 0
1 year ago
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Roman55 [17]

Answer:

The blue triangle -- ∆QRS only

Step-by-step explanation:

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3 years ago
22 POINTS! Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
Naddika [18.5K]

Answer:

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