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Zielflug [23.3K]
3 years ago
11

Two of the angles in a triangle measure 8° and 13°. What is the measure of the third angle?

Mathematics
1 answer:
Mrrafil [7]3 years ago
5 0
The measure of the third angle would be 159 degrees
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-(3/4)+1 7/8 divided by 1/2 =n
VashaNatasha [74]

first off, let's convert the mixed fraction to improper fraction and then proceed, let's notice that by PEMDAS or order of operations, the multiplication is done first, and then any sums.

\stackrel{mixed}{1\frac{7}{8}}\implies \cfrac{1\cdot 8+7}{8}\implies \stackrel{improper}{\cfrac{15}{8}} \\\\[-0.35em] ~\dotfill\\\\ -\cfrac{3}{4}~~ + ~~\cfrac{15}{8} \div \cfrac{1}{2}\implies -\cfrac{3}{4}~~ + ~~\cfrac{15}{8} \cdot \cfrac{2}{1}\implies -\cfrac{3}{4}~~ + ~~\cfrac{15}{4} \\\\\\ \cfrac{-3+15}{4}\implies \cfrac{12}{4}\implies 3

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2 years ago
What is the product?<br><br> (5r − 4)(r2 − 6r + 4)
maxonik [38]

Answer:

1r

Step-by-step explanation:

(5r-4)(2r-6r+4)

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5r-4+2r-6r+4

5r+2r-6=1r

1r-4+4

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7 0
2 years ago
22broccy-here you go g-<br> what is the sum of negative two squared plus one?
yaroslaw [1]

Answer:

The sum is equal to 5

Step-by-step explanation:

we know that

The algebraic expression of the phrase "  the sum of negative two squared plus one" is equal to

(-2)^{2}+1\\=4+1\\=5

8 0
3 years ago
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zhuklara [117]

Answer:3 to 2

Step-by-step explanation:

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Eight subtracted from 4 times a number is equal to 4 less than 6 times the number.
butalik [34]
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3 years ago
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