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pshichka [43]
3 years ago
14

Matt bought some boards to build a wooden deck. Some of the boards were 4 ft long and some of the boards were 5 ft long. He boug

ht 35 ft of boards altogether. How many boards altogether did Matt buy?
Mathematics
2 answers:
Inessa05 [86]3 years ago
8 0

Answer: 8 boards

Step-by-step explanation: 3 x 5 = 15

4 x 5 = 20

20 + 15 = 35

Kazeer [188]3 years ago
4 0

Answer:

8 boards.

Step-by-step explanation:

Since he bought a few of each length. The only combination that works is when he bought 5 of the 4 ft long board so 4×5=20. Than he bought 3 of the 5ft boards 3×5=15. 20+15=35 ft worth of boards.

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Answer:

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Step-by-step explanation:

Ok, so we know that a triangle has a total interior degree of 180°. And since we already have a 95° angle, we just need to subtract 95 from 180.

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Now, we already have indicators that two of the three sides are equal. And we already got the angle of the side that does not have a matching partner. So we just need to divide what we already have by 2.

85° / 2 = 42.5°

Now that we know each side is 42.5 degrees, we just need to grab our given equation and put and equal sign at the end with what we already know is the answer (since we are trying to solve for <em>x</em>).

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Now, let's just get rid of those useless parentheses.

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Next, we just need to have the variable on its own side, all by itself. So, in order to do that, we just add 15 to both sides.

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Now, for our final step, we just need to divide each side by our variables' factor (which is a positive 4). In which we get our final answer of:

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4 0
3 years ago
Read 2 more answers
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marta [7]

Answer:

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Step-by-step explanation:

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3 years ago
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Brian (I think you meant Brian haha..) is incorrect because the tenth place is the number right after the decimal which is a 4. If you are rounding to the tenth place that means that you have to look at the number to the right of that, which is 4. 5 and up means you round up and 4 and down means you round down. This is a 4, so you keep the 4 after the decimal and get rid of the last 4. Therefore, when rounded it would be: 4.4.
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Ira Lisetskai [31]

Step-by-step explanation:

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