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Phantasy [73]
3 years ago
15

What is A decreased by 20% and then increased by 20% of that? Please show your work.

Mathematics
1 answer:
umka21 [38]3 years ago
8 0

Answer: \\ A - 20\%A = A - 0.2A = 0.8A \\ 0.8A + 20\%0.8A = 0.8A + 0.2 \times 0.8A = 0.8 + 0.16A = 0.96A

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3 years ago
Use mapping notation to represent a 90 degree clockwise rotation about the origin of the point (x, y)
Vaselesa [24]

Answer:

see explanation

Step-by-step explanation:

Under a clockwise rotation about the origin of 90°

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djyliett [7]

Answer:

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Step-by-step explanation:

3 0
3 years ago
If f (x) = x² - 7, evaluate the following: f(12) f(-7)
Julli [10]

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In this case, they are looking at 12 and -7. Let's do 12 first.

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Now we do -7. The equation becomes (-7)^2 - 7. -7^2 is 49, and 49 - 7 is 42.

Hope this helped!

7 0
1 year ago
Which of the following theorems verifies that ABC ~ STU?
Lunna [17]

Answer:

B. AA

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The diagram given shows that two angles in ∆ABC are congruent to two corresponding angles in ∆STU.

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4 0
3 years ago
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