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valentina_108 [34]
3 years ago
7

According to the Rational Roots Theorem, which statement about f(x) = 25x7 – x6 – 5x4 + x – 49 is true?

Mathematics
2 answers:
kvv77 [185]3 years ago
8 0
F(x)=20x-52 so it would be 2.6
ad-work [718]3 years ago
3 0

Answer:

C. Any rational root of f(x) is a factor of –49 divided by a factor of 25.

Step-by-step explanation:

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The midpoint of AB is M(1,−3). If the coordinates of A are (-6, -7) what are the coordinates of B?
abruzzese [7]

Answer:5464

Step-by-step explanation:

6 0
3 years ago
You want to buy a $30,000 car. The company is offering a 3% interest rate for 36 months (3 years). What
Ivanshal [37]
The monthly payments will be $75. I did this by doing 30000*.03*3=2700, and then doing 2700/36 to get 75
8 0
3 years ago
Helpppppp meeeeeeeeeeee
natka813 [3]

Answer:

the two integers are -2, and -1

Step-by-step explanation:

first you can create an equation, with x being your small number and x+1 being your larger number because they are consecutive, then you can solve, 6(2x+1)+13=5(x+1)

12x+6+13=5x+5

12x+19=5x+5

12x-5x=5-19

7x=-14

x=-2

6 0
3 years ago
If x+y = 1, and x^2 + y^2 = -1, what is x^7 + y^13?<br> 1) 0<br> 2) 1<br> 3) -2<br> 4) 2<br> 5) -1
damaskus [11]

Solve for <em>x</em> and <em>y</em> :

<em>x</em> + <em>y</em> = 1   →   <em>y</em> = 1 - <em>x</em>

<em>x</em> ² + <em>y</em> ² = -1

<em>x</em> ² + (1 - <em>x</em>)² = -1

<em>x</em> ² + (1 - 2<em>x</em> + <em>x</em> ²) = -1

2<em>x</em> ² - 2<em>x</em> + 1 = -1

2<em>x</em> ² - 2<em>x</em> + 2 = 0

<em>x</em> ² - <em>x</em> + 1 = 0

<em>x</em> ² - <em>x</em> + 1/4 = -3/4

(<em>x</em> - 1/2)² = -3/4

<em>x</em> - 1/2 = ±√(-3/4)

<em>x</em> - 1/2 = ±√3/2 <em>i</em>

<em>x</em> = 1/2 ± √3/2 <em>i</em>   →   <em>x</em> = exp(± <em>iπ</em>/3)

<em>y</em> = 1 - (1/2 ± √3/2 <em>i</em> )   →   <em>y</em> = -1/2 ± √3/2 <em>i</em>   →   <em>y</em> = exp(± 2<em>iπ</em>/3)

Then

<em>x </em>⁷ + <em>y </em>¹³ = exp(± 7<em>iπ</em>/3) + exp(± 26<em>iπ</em>/3)

… = exp(± <em>iπ</em>/3) + exp(± 2<em>iπ</em>/3)

since 7<em>π</em>/3 is equivalent to <em>π</em>/3, and 26<em>π</em>/3 is equivalent to 2<em>π</em>/3 (both modulo 2<em>π</em>).

In either case, we get

<em>x </em>⁷ + <em>y </em>¹³ = <em>x</em> + <em>y</em> = 1

so the answer is (2) 1.

8 0
3 years ago
What is 7% in it's simplest form?
sineoko [7]

Answer:

therefore, 7/7 simplified to lowest terms is 1/1.

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator

GCD of 7 and 7 is 7

Divide both the numerator and denominator by the GCD

7 ÷ 7

7 ÷ 7

Reduced fraction:

1

1

Therefore, 7/7 simplified to lowest terms is 1/1

5 0
3 years ago
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