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3 years ago

I want to know how do you solve for this because im struggle in right now 6x−4y=72

Mathematics

1 answer:

Oxana [17]3 years ago

5 0

Answer:

x=12+2y/3

Step-by-step explanation:

you move the terms that don't contain x to the right side and solve

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What is 14145 divided by 23?

Kobotan [32]

Answer:

615

Step-by-step explanation:

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3 years ago

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Sin2x + cos3x expand the expression

Maru [420]

Step-by-step explanation:

Use double and triple angle identities:

sin(2x) + cos(3x)

2 sin x cos x + 4 cos³x − 3 cos x

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3 years ago

Trina collects eggs from her hens.

s344n2d4d5 [400]

Answer:

56% of her eggs were medium in may

Step-by-step explanation:

if 20% of the eggs she collected in May were small, 24% of the eggs she collected in May were large. All you have to do is add them up which is 44% and minus it by 100% which is 56%

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3 years ago

The population of a town has grown at a rate of approximately 1.2% each year since 1960. In 1960, the population of the town

cricket20 [7]

Answer:

180(1.012)^x

Step-by-step explanation:

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3 years ago

Pythagorean triples are given by the formulas x2 - y2, 2xy, and x2 + y2. Use the formulas for the Pythagorean triples to prove w

Arte-miy333 [17]

Let $k$ be an integer. Suppose there is a triangle with legs of length 16 and $2k+1$ . Then by the Pythagorean theorem, the length of the hypotenuse should be

$\sqrt{16^2+(2k+1)^2}=\sqrt{4k^2+4k+257}$

The formulas for Pythagorean triples say that if the legs are integers, then so must be the hypotenuse, because if $x=16$ and $y=2k+1$ are integers, then so are $x^2-y^2$ , $2xy$ , and $x^2+y^2$ .

However, $4k^2+4k+257$ is not a perfect square trinomial, which means for any integer $k$ , the length of the hypotenuse is not an integer, so such a triangle doesn't exist.

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3 years ago