Solve 7(k- 3) = 3k - 5

Answers

Answer 1

Answer: $7(k- 3) = 3k - 5\n7(k)-7(3) = 3k-5\n7k - 21=3k-5\n7k-3k-21 =3k-3k-5\n4k-21=-5\n4k-21+21=-5+21\n4k=16\n(4k)/(4) =(16)/(4)\n\n\boxed{\bf{k=4}}$

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Max cut of 2 inches of a board he had to cut, but the board was still to long. he did this 4 times. after the 4th cut the board was the right length. write and find the value of an expression to find the change in the length of the board. :)

Answers

x - 8 = y
where x = the original length of the board
and y = the correct length of the board :)

More information is needed to find the original or end lengths of the board.

Find a fraction between 3/4 and 4/5

Answers

first, find a common denominator: 40 then, convert the fractions: 30/40 and 32/40 between those two, it would be 31/40 answer: 31/40

Final answer:

A fraction between 3/4 and 4/5 can be found using averaging. By converting these fractions to decimal equivalents, adding them together, and dividing by 2 we get 0.775, which is equivalent to the fraction 31/40.

Explanation:

To find a fraction between 3/4 (0.75) and 4/5 (0.8), we can use an approach called averaging where we add both fractions and divide the sum by 2. Using decimal equivalents can make the calculation more straightforward. You add 0.75 and 0.8 to get a sum of 1.55, then divide by 2 to get 0.775. A fraction equivalent to 0.775 is 31/40, which is between 3/4 and 4/5.

Learn more about Finding Fractions Between Two Others here:

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5y(2y-3)=(2y-3) can someone help me and explain step by step on how to do it

Answers

First you must add the same numbers together, for instance, you wouldn't add 4y with 4 you have to add it with another number that is just like it, for instance 4y and 9y they are the same, so you can add them. So let's get to the problem now: 5y(2y-3)=(2y-3) 5y*2y=10y (10y-3)=(2y-3) You can do nothing to the other side because there are no numbers, that are the same.

The ford escape hybrid made its debut in 2004 as the first SUV hybrid. During 2007, 21,386 of these SUVs were sold, an increase I of approximately 11% over previous year. Approximately how many ford escape hybrids were sold in 2006?