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finlep [7]
3 years ago
13

Multiply the polynomials. (x + 4)(x2 – 5x + 3)

Mathematics
1 answer:
iren [92.7K]3 years ago
5 0

x^3 − x^2 − 17x + 12

hope that helps :)

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Answer:

1)The mass of water increases.

2) Freezing point of water decreases.

3) buoyancy of objects in the water increases.

Step-by-step explanation:

Salinity in the oceanic water is attributed by the water coming from other sources like rivers carrying rocks and soil containing salt. Salinity decreases the temperature of water, making it cold and more denser. The cold water settles at the bottom of the ocean. It flows across the oceanic basins as slow currents. The objects being less in density flows over the surface of water. Hence,buoyancy of objects in water increases.

⭐ Answered by Kakashi ʕ •㉨• ʔ⭐

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7 0
3 years ago
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2. Write each of the following in set builder form. A = [5, 10, 15,20]​
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Answer:

A={x:x is a multiple of five }

4 0
2 years ago
I need help solving this. |x−4| if x>4. You have to write the expression without using the absolute value sign.
labwork [276]
<h3>Answer:   x-4</h3>

We simply drop the absolute value signs and write whatever is inside

This is because |x-4| is really composed of two equations and it depends on what x is

If x < 4, then we use -(x-4) or -x+4

If x >= 4, then we use x-4

This is from the idea that |x| breaks down into this piecewise function

|x| = \begin{cases}x \text{ if } x \ge 0 \\ -x \text{ if } x < 0\end{cases}

Replace every x with x-4

|x-4| = \begin{cases}x-4 \text{ if } x-4 \ge 0 \\ -(x-4) \text{ if } x-4 < 0\end{cases}

Then for each inequality, you would solve for x to get the following

|x-4| = \begin{cases}x-4 \text{ if } x \ge 4 \\ -(x-4) \text{ if } x < 4\end{cases}

which is the same as

|x-4| = \begin{cases}x-4 \text{ if } x \ge 4 \\ -x+4 \text{ if } x < 4\end{cases}

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4 years ago
Lcm of 6 and 28 pls help<br>​
lara31 [8.8K]

Answer:

84

Step-by-step explanation:

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what should I do to improve my math skills???? should I ask my boss or my parents???? I've been waking up to write down my exam
Ksivusya [100]

Here are a few pieces of advice that will help you and your math skills:

  1. Take notes. Taking notes during your math classes will help you remember key points and formulas. If you were to ever forget, for example, the quadratic formula, by writing it down you can always reference back to your notes for the quadratic formula.
  2. Practice! Nobody gets everything right the first time. By practicing and doing the math over and over, you will improve your skills and will better remember them.
  3. Ask! Don't be afraid to ask for help. Brainly is designed to help people on certain questions and subjects that they struggle with, including math. So you can always ask us. You can ask your teachers, your peers, and your family as well.
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