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Natalija [7]
3 years ago
9

When X=5 and y=10 in the formula A =xy-20. Find A​

Mathematics
1 answer:
Delicious77 [7]3 years ago
3 0

Answer:

A = 30

Step-by-step explanation:

x = 5

y = 10

A = xy - 20

substitute 5 and 10 in the place of x and y

(5*10) - 20

50 - 20

30

A = 30

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What is the value of the following expression 1.8 + 0.5(y + 6) - 2 t the power of 3 when y = 14?
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Answer: The answer should be 38.

I also saw that you placed a t after the -2 so I wasn't sure if it was a mistake or if it was on purpose or you left another t out of the problem on accident.

Step-by-step explanation:

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2.3     (20)     -8

    46-8

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I really hoped this helped and if I got it wrong with the t just reply to me c:

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