The mass of a certain window is 18kg. What is the mass of 5 of those windows?

1 answer:

6 0

To do this you just have to do 18 × 5
which equals 90

hope this helps

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Lynna [10]

Well it started out a fraction.... but I got 226.0235

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3 years ago

Nataliya [291]

4a + 7b = 38 -> (1)
9a + 7b = 68 -> (2)

Subtract (1) from (2),
9a - 4a + 7b - 7b = 68 - 38
5a = 30
a = 6

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3 years ago

KATRIN_1 [288]

Answer:

Step-by-step explanation:

$( x^{9} y^{5} )^{-4} \\x^{(9)(-4)} y^{(5)(-4)} \\x^{-36}y^{-20} \\\frac{1}{x^{36}y^{20}}$

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Dominik [7]

Answer:Are there any options?

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rosijanka [135]

Answer:it’s 19 inches and 60 inches.

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