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olya-2409 [2.1K]
2 years ago
10

3/5x+19−3/20x−7/35x+19−3/20x−7 simplified is

Mathematics
2 answers:
svet-max [94.6K]2 years ago
8 0
3/5x + 19 - 3/20x - 7/35x + 19 - 3/20x - 7
84/140x + 19 - 21/140x - 28/140x + 19 - 21/140x - 7 =
84/140x - 70/140x + 38 - 7
14/140x + 31 =
1/10x + 31 <==
dalvyx [7]2 years ago
5 0
Hello,
3/5x+19−3/20x−7/35x+19−3/20x−7;
(3/5-3/20-7/35-3/20)x+(19+19-7);
(3/5-3/20-1/5-3/20)x+31;
(12-3-4-3/20)+31;
2/20x+31;
1/10x+31;

Bye :-)
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Answer:

Isosceles

Step-by-step explanation:

Consider triangle ABC, BD is the median and the altitude drawn to the side AC. This segment (BD) divide the triangle ABC into two triangles: ABD and CBD.

In these triangles:

  • AD=DC (because BD is the median);
  • ∠ADB=∠CDB=90° (because BD is the altitude);
  • BD is common side.

Thus, by SAS postulate, triangles ABD and CBD are conruent. Congruent triangles have congruent corresponding sides. Hence, AB=CB.

If in triangle ABC, AB=BC, then this triangle is isosceles.

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Answer:

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8000 - 90.5 = 7909.5

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Solution

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Define the converse of a statement

The converse of a statement is formed by switching the hypothesis and the conclusion.

STEP 2: break down the given statements

Hypothesis: If M is the midpoint of line segment PQ,

Conclusion: line segment PM is congruent to line segment QM

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Hence, the answer is given as:

If line segment PM is congruent to line segment QM, then M is the midpoint of line segment PQ,

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