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inysia [295]
3 years ago
7

Find two numbers, if their sum is 3 and their difference is 21

Mathematics
1 answer:
boyakko [2]3 years ago
4 0

Answer:

The two numbers are -9 and 12

Step-by-step explanation:

-9+12=3 12--9=12+9=21

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Keep in mind units and it will make sense
20(34)(4*6) = ?
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3 years ago
Please help the following questions
insens350 [35]

Answer:

<em>Option D</em>

Step-by-step explanation:

Assume that these polygons were similar. You could tell that if they were, ABCD ~ EFGH, and is already noted by the answer choices. We can conclude that AB ~ EF, CD ~ GH and so on. To prove that these shapes are similar, we must form a like proportionality among these side;

EF / AB = GH / CD\\5 / 8 = 4 / 2.5,\\0.625 \neq 1.6\\\\Conclusion - Option D

As the proportions we formed were to equal to one another,<em> the solution must be option D!</em>

6 0
3 years ago
Evaluate the expression x ÷ y for x = 8 and y = 16.
daser333 [38]

Answer:

Step-by-step explanation:

hello :

x ÷ y for x = 8 and y = 16 means : 8/16 = 8/(2×8) = 1/2

7 0
3 years ago
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PROVE THESE TRIANGLES ARE CONGRUENT
jenyasd209 [6]

Answer:

These triangles cannot be proved congruent

Step-by-step explanation:

The theorems for congruence are  SSS SAS ASA AAS. Here, there is only one common side and one common angle marked, therefore you cannot prove congruency.

8 0
2 years ago
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Size
kramer
The answer is: E

Hope this helps|
3 0
3 years ago
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