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3 years ago

Plz help guys, it is a pretty easy sum

Mathematics

2 answers:

RoseWind [281]3 years ago

7 0

Answer:

a3+13a

Step-by-step explanation:

sorry I don't know how to solve this

Natasha_Volkova [10]3 years ago

3 0

Answer:+-3

Explanation:

I added 4 on both side so that a^2+1/a^2-2 becomes a^2+1/a^2+2 which is Special products of (a^2+1/a^2).

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-6k + 7k simplified the expression

Evgen [1.6K]

Answer:

Step-by-step explanation:

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3 years ago

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What is the approximate volume of one refraction cup? What’s its formula ?

Marizza181 [45]

Answer:

Volume = 0.1696 L

The formula is Area of base of refraction cup × Depth of the refraction cup

Step-by-step explanation:

The dimensions of a refraction cup are;

Diameter = 120 mm

Depth = 30 mm

Therefore, volume of the refraction cup = Area of base × Depth

Volume of the refraction cup = (π×120²/4)/2 × 30 = 169646.003 mm³

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Therefore, 169646.003 mm³ = 169646.003/1000000 m³ = 0.1696 L

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3 years ago

3(x-3)

blsea [12.9K]

Answer:

Step-by-step explanation:

Alright! So, this might seem complicated at first, but in the end its just a bit of algebra. If we think of a triangle, adding all of the sides together creates the perimeter. This means that 3(x-3) + 4x-1 + 2x+5 = 49. After this we can simplify to 9x - 5 = 49, and 9x = 54. Since 54/9 = 6, this means that x = 6.

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4 years ago

What is the total cost of a pair of jeans that are priced $50.00 if there is 7% sales tax?

svlad2 [7]

7% = 0.07

$50 * 0.07 = 3.5

$50 + $3.5 = $53.5

total cost of a pair of jeans: $53.5

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3 years ago

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Whats the first five prime number after 13

mezya [45]

Answer:

Step-by-step explanation:

The list of prime numbers are; 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

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3 years ago

Plz help guys, it is a pretty easy sum​

Plz help guys, it is a pretty easy sum