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Anarel [89]
3 years ago
6

For the inverse variation equation xy=k, what is the constant of variation,k, when x = -3and y=-2

Mathematics
1 answer:
const2013 [10]3 years ago
8 0

Answer:

6

Step-by-step explanation:

xy=k

Value of k ; when ; x = - 3 and y = - 2

Put x = - 3 and y = - 2 into the equation :

(-3)(-2) = k

-3 * - 2 = k

6 = k

The constant of variation k = 6

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Answer:4566878888

Step-by-step explanation:

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2 years ago
ONE MORE QUESTION JUST ANSWER RIGHT FOR 50 POINTS
Finger [1]

Answer:

$32.50

Step-by-step explanation:

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2 years ago
Read 2 more answers
NO LINKS!!!
allochka39001 [22]

Part A

  • Converse = "If corresponding angles are equal, then two lines are parallel"
  • Result = True

Explanation:

Refer to the converse of the corresponding angles theorem. The original version is stated as part A, and the converse is marked in bold above.

Conditional statements are of the form "if this, then that". Symbolically we can use the template "If P, then Q". The P and Q are placeholders for logical statements.

The converse of "if P, then Q" is "If Q, then P". We swap the positions of P and Q. Do not negate either piece.

========================================================

Part B

  • Converse = "If angle C is 70 degrees, then the sum of angles A and B is 110 degrees"
  • Result = True

Explanation:

Recall that for any triangle, the three interior or inside angles always add to 180 degrees. In short: A+B+C = 180. If C = 70, then A+B = 180-C leads to A+B = 180-70 and A+B = 110. This process can be reversed.

========================================================

Part C

  • Converse = "If two lines are not parallel, then alternate interior angles k and s are not equal"
  • Result = True

Explanation:

For more information, check out the converse of the alternate interior angles theorem. The regular version of the theorem is "If two lines are parallel, then the alternate interior angles are congruent".

The converse of this theorem flips things to say: "If alternate interior angles are congruent, then the lines are parallel".

========================================================

Part D

  • Converse = "If John loses his money, then he throws coins in the fountain"
  • Result = False

Explanation:

Throwing coins in a fountain is one way to lose money, but there are other ways. He could drop a coin somewhere, or leave the coin somewhere he forgot.

In other words, just because he lost his money does not mean he threw a coin in the fountain.

8 0
1 year ago
Rodrigo practiced playing the guitar for 15 1/3 hours over the past 3 weeks. He practiced for 6 1/4 hours during the first week
Yuri [45]
Add up the sum and divide.

Practice Chart
1st Week: 6.25 Hours
2nd Week: 4.66 Hours
3rd Week: 15.33 - (1st Week + 2nd Week) 

Solve:
6 1/4 + 4 2/3 = 10 8/12 or 10 2/3

15 1/3 - 10 2/3
14 4/3 - 10 2/3
4 2/3 hours practiced third week

Hope this helps!
3 0
2 years ago
What is the factorization of the trinomial below -x^2 + 2x + 48
OlgaM077 [116]

For this case we must factor the following expression:

-x ^ 2 + 2x + 48

We take the sign "-" as a common factor of the expression, taking into account that:

- * - = +\\- (x ^ 2-2x-48)

To factor, we must find two numbers that, when multiplied, result in -48 and when added, result in -2. These numbers are -8 and +6.

-8 + 6 = -2\\(-8) * (+ 6) = - 48

Then, we factor the expression within the parenthesis as:

- ((x-8) (x + 6))

Answer:

- (x-8) (x + 6)

4 0
3 years ago
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