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aivan3 [116]
3 years ago
11

PLEASE HELP ME!!!!! THIS IS DUE IN LIKE 10 MINS!!!!! I WILL MARK BRAINLIEST!!!!! I ONLY HAVE 2 ATTEMPTS LEFT!!!! :(

Mathematics
1 answer:
Oliga [24]3 years ago
8 0

UH “ALL OF THE ABOVE??” OR TRY THE SECOND ONE

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What is the value of (10 x 0.5) squared + 4 cubed?
kotegsom [21]
First set up the equation:
(10*0.5)^{2}+4^{3}

Now solve the ones in the parenthesis:
5^{2}+4^{3}

Then do the exponents:
25+64

The answer will be:<u> </u><u>89
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4 0
3 years ago
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Find a third-degree polynomial equation with rational coefficients that has roots -4 and 6 + i.
dolphi86 [110]

Answer:

x³ - 8x² - 11x + 148

Step-by-step explanation:

Given that x = 6 + i is a root then x = 6 - i is also a root

Complex roots occur as conjugate pairs.

The factors are therefore (x - (6 + i)) and(x - (6 - i))

Given x = - 4 is a root then (x + 4) is a factor

The polynomial is the product of the factors, that is

p(x) = (x + 4)(x - (6 + i))(x - (6 - i))

      = (x + 4)(x - 6 - i)(x - 6 + i)

      = (x + 4)((x - 6)² - i²)

      = (x + 4)(x² - 12x + 36 + 1)

      = (x + 4)(x² - 12x + 37) ← distribute

      = x³ + 4x² - 12x² - 48x + 37x + 148

      = x³ - 8x² - 11x + 148

 

3 0
3 years ago
Kelsey is going to graph the ordered pairs that are represented by this table on a coordinate plane
gayaneshka [121]

Answer:

4

Step-by-step explanation:

Since there are 4 columns of x and y values the answer is 4.

3 0
3 years ago
Which statement correctly identifies the line of reflection?
Alchen [17]

Answer:

the triangles are reflected across the line y= -x

hope this helps

Step-by-step explanation:

4 0
2 years ago
X multiplied by 3 is greater than or equal to 21<br><br> What’s the inequality to this?
Andre45 [30]

Answer:

3x<u>></u><u>=</u><u> </u><u>21</u>

Step-by-step explanation:

Happy 2 Help. Hope you get a good grade lol

5 0
2 years ago
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