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Shkiper50 [21]
3 years ago
15

X - y = 3 b) Work out the value of 2x – 2y

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0
Answer: 2x-2y=3
Step-by-step
Explanation:
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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
Please solve this question thank you
SVETLANKA909090 [29]

Answer:

angle ABC = 30°

Step-by-step explanation:

I attached a picture. if any part is not understandable leave a comment.

6 0
3 years ago
Solving systems of equations using substitution y=7 3x-3y=-18
oksano4ka [1.4K]

Answer:

x = 1

Step-by-step explanation:

If you have any questions feel free to ask in the comments

5 0
3 years ago
What's the cube root of 81?
Alexxandr [17]

The cube root of 81 is 4.32674871092

6 0
3 years ago
Read 2 more answers
0.2 4/12 3/12 which does not belong with the others
myrzilka [38]
0.2 since it is not a fraction.
6 0
4 years ago
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