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Novosadov [1.4K]
3 years ago
11

What is the value of x?

Mathematics
1 answer:
torisob [31]3 years ago
3 0

Answer:

x=45^{o}

Step by step explanation:

We have been given that measure of angle A is fifty five degrees, the measure of angle B is eighty degrees and the measure of angle C is x.

Since we know that sum of measures of all the three angles of any triangle equals to 180 degrees.

Let us set sum of measures of all angles of our triangle equal to 180 degrees.

A+B+C=180^{o}

Upon substituting our given values in our equation we will get,

55^{o}+80^{o}+x=180^{o}

135^{o}+x=180^{o}

x=180^{o}-135^{o}

x=45^{o}

Therefore, the measure of angle x equals to 45 degrees.

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5 0
3 years ago
29) Adam’s sister wants to watch her intake of fat per day. Here is a guideline of the recommended daily allowances. Typical val
ziro4ka [17]
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To figure this out I use this formula all the time to figure out percentages.
is/of=x/100
Your trying to figure out what is 48 percent of 70 because that's how much Adam's sister is going to eat at dinner. So your is would be 48 and your of is 70. When you substitute those numbers your formula becomes 48/70=x/100. Now you cross multiply and get 70x=4800.All that's left is to divide 70 on both sides. Which gives you 68.57.The final answer is 69 percent.
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What do i do next please
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Now subtract, then add.
4 - 2 = 2 then add 12. 
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Answer is 14.
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