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ludmilkaskok [199]
3 years ago
7

What is (a + b)cubed when a = 7 and b = -4? Plz help!

Mathematics
1 answer:
butalik [34]3 years ago
7 0
The answer is 3 because all you have to do is plug in the answer and then you have to solve the answer and go from there.
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(x-2)(x+2)(x²+4)-(x²+3)(x²-3)+2022
torisob [31]

The simplified form of the given expression is 2015

<h3>Simplifying expressions </h3>

The given expression is (x-2)(x+2)(x²+4)-(x²+3)(x²-3)+2022

The expression can be simplified as shown below

(x-2)(x+2)(x²+4) - (x²+3)(x²-3) + 2022

x(x+2)-2(x+2)(x²+4) - x²(x²-3) +3(x²-3) + 2022

(x²+2x-2x-4)(x²+4) - (x⁴-3x²+3x²-9) + 2022

(x²-4)(x²+4) - (x⁴-9) + 2022

x²(x²+4) -4(x²+4) - (x⁴-9) + 2022

(x⁴+4x²-4x²-16) - (x⁴-9) + 2022

(x⁴-16) - (x⁴-9) + 2022

x⁴ -16 -x⁴ +9 + 2022

x⁴ -x⁴ -16 +9 +2022

= 2015

Hence, the simplified expression is 2015

Learn more on Simplifying an expression here: brainly.com/question/723406

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3 0
2 years ago
Function “p” is in the form y=ax^2 + C. If the values of “a” and “c” are both less than 0, which graph could represent “p”?
kati45 [8]

Answer:

B

Step-by-step explanation:

Since the value of a is less than 0, the graph of the parabola would be opening downwards. Because of this we can rule out option C. In a quadratic equation, c represents the y-intercept, and, in this case c is negative, meaning the y-intercept is less than 0. Only option B has a downward-opening curve and a y-intercept less than 0, so it is the answer.

8 0
3 years ago
Read 2 more answers
The ad reads,"$725 or best offer."If your offer of$580 is accepted,how much money will you save?
sashaice [31]
Answer: You saved $145
----
If you had paid what the ad said, you would have ended up paying $725. However, you actually ended up paying $580.

To find how much you saved, you find the difference between how much you could have paid and how much you actually paid by subtracting $580 from $725:
\$ 725 - \$ 580 = \$ 145
5 0
3 years ago
Udent/twewxxrhs
geniusboy [140]

Answer:

14% and this is rounded btw

4 0
2 years ago
Plz help me im stuck
Alexus [3.1K]
The answer is mostly likely B
7 0
3 years ago
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