Help me please pleasee

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Answer 1

Answer:

Answer:

10 days

Step-by-step explanation:

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A builder planned to build houses. Each house will be built on 5/6 of an acre. How much land would be needed for 7 houses? The builder began with 10 acres of land . After 7 houses were built, how much land was left unused?

Answers

Answer:

$5(5)/(6)\approx 5.833$ acres of land would be needed for 7 houses.

$(25)/(6)\approx 4.17$ acres of land was left unused.

Step-by-step explanation:

We have been given that each house will be built on 5/6 of an acre.

To find the area it will take to build 7 houses, we will multiply area need to build one house by 7 as:

$(5)/(6)* 7$

$(35)/(6)$

$5(5)/(6)\approx 5.833$

Therefore, $5(5)/(6)\approx 5.833$ acres of land would be needed for 7 houses.

Since builder began with 10 acres of land, so we can find the unused land by subtracting $5(5)/(6)$ from 10 as:

$10-5(5)/(6)$

$10-(35)/(6)$

$(10*6)/(6)-(35)/(6)$

$(60)/(6)-(35)/(6)$

$(60-35)/(6)$

$(25)/(6)$

$(25)/(6)\approx 4.17$

Therefore, $(25)/(6)\approx 4.17$ acres of land was left unused.

For 7 houses you will need 5.83 acres of land and the builder will have 4.16 acres of land unused

Evaluate 3/5 - 3/10 and explanation thanks

Answers

It would be 3/10 because you have to create a common denominator. That would be 10. 3x2=6 and 5x2=10, so 3/5 would become 6/10, which is equivalent. If you kept the denominators the same and subtracted the numerators, you would get 3/10.

A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions?I need to know how to find the probability. Please help fast!