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dlinn [17]
3 years ago
12

In a inequality how do you do know when to flip the signs

Mathematics
1 answer:
vodomira [7]3 years ago
8 0
You will flip the signs when you have to multiply or divide your equation by a negative integer.
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Y = -2x +7<br><br><br> y = 3/4x +3
bearhunter [10]
Making the two equations equal to each other
it gives a quadratic equation
i hope this helps


please mark as brainliest
6 0
3 years ago
If U-235 has a half-life of 713 million years and the age of the sample is 2.631 billion years old then how many half-lifes has
lutik1710 [3]
<span>As the age of the U-235 sample is 2.631 billion years, and the half-life of U-235 is 713 million years, the sample has undergone 2.361 X 1,000,000,000 / 713 X 1,000,000 = 3.69 half lives. In each half-life the sample reduces to half its original weight according to the radioactive Half-Life Formula: ln (Nt /N0) = -kt, where N0 = mass of the original weight of radioactive material, Nt = mass of radioactive material at time t, k = decay constant and t = time interval . We have to put Nt/N0 = 1/2 for time interval = half-life.</span>
8 0
3 years ago
Read 2 more answers
Point K is rotated 90°. The coordinate of the pre-image point K was (2, –6) and its image K’ is at the coordinate (−6, −2). Find
umka21 [38]

Answer:

Hello! The answer to your question will be below.

Step-by-step explanation:

The answer would be clockwise.

So point k was rotated 90 degrees clockwise.....

Review.....

Question:

Point K is rotated 90 degrees. The coordinate of the pre-image point K was (2,-6) and it’s image K’ is at the coordinate (-6,-2).Find the direction of the rotation.

THE DIRECTION OF THE ROTATION WAS CLOCKWISE.

Hope this helps! :)

⭐️Have a wonderful day!⭐️

8 0
3 years ago
Write the following equation in the general form Ax + By + C = 0.<br><br> 1/2 y - x - 1 = 0
murzikaleks [220]
Hope it will help you..

4 0
3 years ago
What is the solution to the system of equations below?
AnnyKZ [126]

Answer:

x=9, y=3

Step-by-step explanation:

-4x+6y=-18

y=-2x+21

-4x+6(-2x+21)=-18

-4x-12x+126=-18

144=16x

x=9

y=-2x+21

y=-18+21

y=3

8 0
3 years ago
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