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rosijanka [135]
4 years ago
5

Enter the correct answer as the as a polynomial in a descending order below

Mathematics
2 answers:
olya-2409 [2.1K]4 years ago
7 0
4x^3-4x+3. This is when you distribute the negative sign
dimulka [17.4K]4 years ago
4 0
4X^3 - 4X + 1
the is because those with the same exponents will deal with each other.
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I have $225.00 in my account. I can spend al but 20% of that on some new equipment. What is the most that I can afford to spend
Setler79 [48]
You can "spend all but 20%" so that means you can spend up to 80% of your money (since 20%+80% = 100%). Apply 80% to the value 225

80% of 225 = (80/100)*225 = 0.80*225 = 180

The most you can afford to spend is $180
3 0
4 years ago
A cube that has side lengths measuring 7 inches?
Marianna [84]
I don't know the exact question but heres the best i got
the surface area would be 294 inches
one face would be 49 inches
and the volume would be 343
8 0
3 years ago
Cost
LenKa [72]

Answer:

B

Step-by-step explanation:

since there are 6 bars in one box, you would multiple 6 by 12 and the answer B is just a complicated form of doing this (12 is a dozen but Baker's dozen is 13 just saying)

3 0
3 years ago
See picture for problem. Please answer if you know
skelet666 [1.2K]

Answer: rx-sx= -2x^2

rx+sx=4x^2+8x

(r)(s)=3x^2+16x+16

Step-by-step explanation: Hopefully this helps! :)

4 0
3 years ago
BRAINLIESTTT ASAP!! Explain in your own words. :)<br><br> Describe Chadwick’s work in Chemistry.
Svet_ta [14]

Answer:

Here's what I get  

Step-by-step explanation:

The atomic model before Chadwick

J. J. Thomson had discovered the electron in 1897 and Rutherford discovered the proton in 1912.  

So, in the 1920s, scientists thought that a helium atom (₂⁴He), for example, consisted of four protons,  two electrons orbiting the nucleus, and another two electrons in the nucleus to balance the charge.  

In 1932, Irène and Frédérick Joliot-Curie discovered that when α particles hit a Be target, a strange radiation was emitted that could knock protons out of paraffin. They thought it was some type of high-energy X-rays  

Chadwick's experiment

Chadwick thought the radiation consisted of particles, not X-rays. He repeated the Curie's experiment and carefully measured the velocities of the scattered protons.

Using the Laws of Conservation of Energy and Momentum, he calculated that the radiation hitting the paraffin must consist of neutral particles with a mass slightly greater than that of a proton.

Chadwick had discovered the neutron.

The atomic model after Chadwick

Chemistry now made more sense. A helium atom now consisted of two electrons orbiting a nucleus containing two protons and two neutrons. There was no need to have electrons in the nucleus.

3 0
3 years ago
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