3 years ago

7 less than 9 times a number is 56

Mathematics

1 answer:

Inga [223]3 years ago

3 0

Answer:

Step-by-step explanation:

7-9x=56

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The floor of a storage unit is 7 feet long and 6 feet wide. What is the distance between two opposite corners of the floor? If n

andrey2020 [161]

$\text{Find the distance from one corner to the other}\\\\\text{In this question, we would use the Pythagorean theorem to find the length}\\\text{between corners}\\\\\text{Pythagorean theorem:}\\\\a^2+b^2=c^2\\\\\text{We are trying to find c}\\\\\text{Plug in and solve:}\\\\7^2+6^2=c^2\\\\49+36=c^2\\\\85=c^2\\\\\text{Square root}\\\\\sqrt{85}=\sqrt{c^2}\\\\\sqrt{85}=c\\\\\text{In decimal form, it's: 9.219544}\\\\\text{Round to the nearest tenths place}\\\\\boxed{9.2\,\, feet}$