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ArbitrLikvidat [17]
4 years ago
15

14-12-16 what is the answer

Mathematics
2 answers:
Reika [66]4 years ago
7 0
The answer is negative fourteen

Contact [7]4 years ago
3 0
14-12-16=-14 so the answer is -14
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Can someone help me on this Proofs problems? It's just number one and two.
leonid [27]

See Explanation

Step-by-step explanation:

1. By interior angle sum Postulate of a triangle.

m\angle a+ m\angle y +m\angle z= 180\degree.... (1)\\\\m\angle a+ m\angle w +m\angle x= 180\degree.... (2)\\\\

From equations (1) & (2), we find:

m\angle a+ m\angle y +m\angle z= m\angle a+ m\angle w +m\angle x\\\\m\angle y +m\angle z= m\angle w +m\angle x\\

Hence proved

2. In \triangle PQS, \: \angle QSR is exterior angle.

Therefore, by remote interior angle theorem, we have:

m\angle QPS + m\angle PQS= m\angle QSR\\\\x + m\angle PQS= 2x\\\\m\angle PQS= 2x-x\\\\m\angle PQS = x.... (1)\\\\m\angle QPS = x.... (given).... (2)\\

From equations (1) & (2), we find:

m\angle PQS = m\angle QPS\\\\\therefore \angle PQS \cong \angle QPS\\\\\therefore PS \cong QS\\(sides\: opposite \: to\: congruent \:\angle s) \\\\

\therefore \triangle PQS is an isosceles triangle.

Thus proved.

3 0
3 years ago
What does the inequality x + 3 ≤ 2 say?
mamaluj [8]

Answer:

A number and three is at most two.

Step-by-step explanation:

keywords :)

> bigger \: than \\  < smaller \: than \\  \leqslant is \: at \: most \\  \geqslant is \: at \: least

3 0
3 years ago
Read 2 more answers
Please help due pretty soon​
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The answer is A) y=-2x+75
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3 years ago
Jeff walks 3 1/2 miles in 3/4 hour. In 1 1/4 hour Sarah walks 6 3/4 miles. Who walks faster
algol13
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Convert the 7hrs and 30min into minutes which would be 450 minutes total. Now divide that by 25 which is 18.

So Shelly walked to her grandmother's house 18 times last month
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3 years ago
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