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liraira [26]
3 years ago
5

Determine if the coordinate (6, 8) lies on the circle x^2 + y^2 = 100. ​

Mathematics
1 answer:
SVEN [57.7K]3 years ago
3 0

Answer:

x² + y² = 100

6² + 8² = 100

36 + 64 = 100

100 = 100

Because this is a true statement, the answer is yes, it does lie on the circle.

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What is the x-value of the solution of the system of
Nady [450]

Answer:

x = -1, y = -4

Step-by-step explanation:

Let's solve our system of equations by substitution.

y = 5x + 9y = −x + 3

Step: Solve = 5x + 9 for y:

y = 5x + 9

Step: Substitute 5x + 9 for y in y = −x + 3:

y = −x + 3

5x + 9 = −x + 3

5x + 9 + x = −x + 3 + x (Add x to both sides)

6x + 9 = 3

6x + 9 + −9 = 3 + −9 (Add -9 to both sides)

6x = −6

6x/ 6 = −6/6(Divide both sides by 6)

x = −1

Step: Substitute −1 for x in y = 5x + 9:

y = 5x + 9

y = (5)(−1) + 9

y = 4(Simplify both sides of the equation)

So our answers are y = -4 and x = -1.

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Step-by-step explanation:

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2 years ago
Find log 136.8 to four decimal places.
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Answer:

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Use the function to evaluate the indicated expressions and simplify.
Musya8 [376]

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Answer:

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Step-by-step explanation:

Put the argument in place of x and evaluate the desired expression.

__

1. f(x²) = x² + 5 . . . . . . straight substitution for x

__

2. (f(x))² = (x +5)²

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