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Harrizon [31]
3 years ago
15

Ind all integers b such that x^(2)+bx+5 can be factored.

Mathematics
2 answers:
JulsSmile [24]3 years ago
8 0

Answer:

All integers greater than 4 (5 or greater) and less than -4 (-5 or less)

Step-by-step explanation:

x² + bx + 5

b² - 4ac 》 0

b² - 4(1)(5) 》 0

b² - 20 》 0

b 》 sqrt(20)

b 》 4.47

b 《 -sqrt(20)

b 《 - 4.47

All integers greater than 4 (5 or greater) and less than -4 (-5 or less)

ki77a [65]3 years ago
6 0

Answer:

so that the trinomial can be factored: x^2+bx+15. Algebra -> Polynomials-and-rational-expressions -> SOLUTION: Find all integers b so that the trinomial can be factored: x^2+bx+15 Log On. Algebra: Polynomials, rational expressions

Step-by-step explanation:

brainlist

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Ted bought a new book for $20.00. If the sales tax was 8%, how much did Ted play in all for the books?
bonufazy [111]
I believe what you would do is multiply $20 by 8% and get 1.6. So ten you would subtract 1.6 from 20 and get $18.40 on the book.
5 0
3 years ago
Find the GCF of the given polynomial.<br><br> 16a4b4 + 32a3b5 - 48a2b6
Dominik [7]
16a^4b^4 + 32a^3b^5 - 48a^2b^6

the GCF would be : 16a^2b^4....because the 16 is the highest coefficient that goes into 16,32,and 48. Then u just take the a with the smallest exponent and the b with the smallest exponent.
5 0
3 years ago
Read 2 more answers
Given f(x) = -x +6, Evaluate f(x) for X= -1 and 3 and 5<br> Range:
Maurinko [17]

Answer:

f(x) for x = -1 is -1+6= 5

f(x) for x = 3 is -3+6= 3

f(x) for x = 5 is -5+6= 1

7 0
3 years ago
Find the amount in a continuously compounded account for the following condition. ​Principal, ​$​4000; Annual interest​ rate, 5.
soldi70 [24.7K]
<h3>Answer:  4745.96 dollars</h3>

=======================================================

Explanation:

We have this given info

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Use this to plug into the formula below

A = Pe^{r*t}\\\\A = 4000*e^{0.057*3}\\\\A \approx 4,745.96299608713\\\\A \approx 4,745.96\\\\

You'll need your calculator, and the calculator needs the "e" button.

The "e" refers to the special constant 2.718... which is similar to pi = 3.14...

7 0
2 years ago
The number 85 is decreased to 83. What is the percentage by which the
Readme [11.4K]

Answer:

~ 2.3%

Step-by-step explanation:

A percentage is a amount divided by the total.

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That makes around 0.023.

That multiplied by 100 is 2.3 and that makes the percentage.

So yeah.

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