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Minchanka [31]
3 years ago
7

A rational number is

Mathematics
1 answer:
pshichka [43]3 years ago
3 0
According to Google.com, a rational number is “a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.”
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Parallel lines always,sometimes,or never intersect?
STatiana [176]
They never intersect
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3 years ago
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What are the solutions of x² + 6x - 6 = 10?
Likurg_2 [28]

Answer: x=- 8 or x=2


Step-by-step explanation:

1. To solve this problem you can applly the quadratic formula, which is shown below:

x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}

2. The quadratic  equation is:

x^{2}+6x-6-10=0\\x^{2}+6x-16=0

3. Then:

a=1

b=6

c=-16

4. Therefore, when you substitute these values into the quadratic formula, you obtain the following result:

x=\frac{6+/-\sqrt{6^{2}-4(1)(-16)}}{2(1)}

x_1=-8\\x_2=2


4 0
3 years ago
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3. The total cost for 9 bracelets, including shipping was $72. The shipping charge was $9. Define your variable and write an equ
ikadub [295]

Answer:

The equation that models the cost of each bracelet is 72=9x+9. Cost of each bracelet is $7.

Step-by-step explanation:

Let the cost of each bracelet is defined by the variable x.

Cost of 9 bracelet is 9x. The shipping cost is $9. Therefore the total cost of 9 bracelets, including shipping is

\text{Total Cost}=9x+9

The total cost for 9 bracelets, including shipping is $72.

72=9x+9

Subtract 9 from both sides

72-9=9x+9-9

63=9x

Divide both sides by 9.

7=x

Therefore the cost of each bracelet without shipping changes is $7.

8 0
3 years ago
Laura red 312 page book in 13 hours if she read the same number of pages each hour how many pages did she read i
Sedaia [141]

Answer:

24 pg per hour

Step-by-step explanation:

Divide 312 by 13, and the result will be 24. Hope it helps!

4 0
3 years ago
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¿Qué representa 34?<br>​
kogti [31]

Answer:

El número 34 en numerología simboliza optimismo, espiritualidad, análisis, autoexpresión, introspección, pragmatismo. Si el número 34 es el número de tu destino, lo más probable es que seas una persona muy espiritual, sabia e intuitiva.

Step-by-step explanation:

5 0
3 years ago
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