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Stels [109]
3 years ago
8

Pls someone help me these's problem's!

Mathematics
1 answer:
Iteru [2.4K]3 years ago
3 0

Answer:

15. a because b is being squared by a variable meaning it is exponential and goes forever, but the answer choice B is set only to 3 squared, so a is the answer.

16. D because square root of 96 MINUS square root of 54 on calculator is 2.44948974278, BUT the square root of 6 is ALSO 2.44948974278, so the answer is D or square root of 6

Step-by-step explanation:

my explanation is all on the top

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Which is true about the completely simplified difference of the polynomials a3b 9a2b2 − 4ab5 and a3b − 3a2b2 ab5?.
PtichkaEL [24]

The simplified difference of the polynomials (a³b+9a²b²-4ab⁵) and (a³b-3a²b²+ab⁵) is (12a²b²-5ab⁵).

<h3>What are Like terms?</h3>

Like terms are those terms that are having the same variables, also the variables are of the same order as well.

for example, 25x and 5x are like terms; 30xy and 7xy are like terms, 9x³ and 4x² are not like terms, etc.

Let's simplify the two of the given polynomials, therefore, find the difference between the two given polynomials.

a^3b+9a^2b^2 - 4ab^5 - (a^3b - 3a^2b^2+ab^5)\\\\= a^3b+9a^2b^2 - 4ab^5 - a^3b + 3a^2b^2-ab^5\\\\\text{Bring Like terms together}\\\\=a^3b - a^3b+9a^2b^2+3a^2b^2 -4ab^5-ab^5\\\\= 12a^2b^2-5ab^5

Hence, the simplified difference of the polynomials (a³b+9a²b²-4ab⁵) and (a³b-3a²b²+ab⁵) is (12a²b²-5ab⁵).

Learn more about Like Terms:

brainly.com/question/2513478

5 0
2 years ago
Quadratic applications??
aleksandr82 [10.1K]

Answer:

Step-by-step explanation:

2 l + 2w = 34 ⇔ l + w = 17 ⇒ l = 17 - w ..... <em>(1)</em>

l w = 66 ..... <em>(2)</em>

<em>(1)</em> ----> <em>(2)</em>

(17 - w) w = 66

w² - 17w + 66 = 0 ⇔ (w - 6)(w - 11) = 0

w = 6 cm

l = 11 cm

5 0
3 years ago
What is the prime factorization of 99?
Lubov Fominskaja [6]
99=3•3•11 or can also be put as 99=3^2•11
6 0
4 years ago
What is the value of 2 ÷ (4 ÷ (6 ÷ (8 ÷ 10)))?
8_murik_8 [283]

Answer:

1.66

---------

First find the value of 8 divided by 10 because they are in parentheses.

10/8 = 1.25

Divide 6 by 1.25

6 / 0.8 = 4.8

Then, divide by 4

4.8 / 4 = 1.2

Finally, divide 2 by 1.2

2 / 1.2 = 1.66

The answer should be 1.66 if you do the problem right to left(because of the order of operations).

6 0
2 years ago
What’s the coefficient of x in the expression: -7x^2+3x-4?
likoan [24]

Answer:

-7

Step-by-step explanation:

Coefficient is the number in front of x (with the highest exponent )

6 0
3 years ago
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