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Sauron [17]
3 years ago
5

Un alumno realiza 8 exámenes de matemáticas y obtiene las siguientes calificaciones: 60, 95, 80, 60, 80, 85, 95, 80. ¿Cuál es la

moda de las calificaciones?
Mathematics
1 answer:
shtirl [24]3 years ago
6 0

Answer:

80 porque parece el más

Step-by-step explanation:

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Which shows the rational expression written using the least common denominator?
aleksandr82 [10.1K]

Answer:

(x + 1)/4x² + 4(x + 1)/4x²

Step-by-step explanation:

x+1/4x² + x+1/x²

The above can be simply as follow:

Find the least common multiple (LCM) of 4x² and x². The result is 4x²

Now Divide the LCM by the denominator of each term and multiply the result with the numerator as show below:

(4x² ÷ 4x²) × (x + 1) = x + 1

(4x² ÷ x²) × (x + 1) = 4(x + 1)

x+1/4x² + x+1/x² = [(x + 1) + 4(x + 1)]/ 4x²

= (x + 1)/4x² + 4(x + 1)/4x²

Therefore,

x+1/4x² + x+1/x² = (x + 1)/4x² + 4(x + 1)/4x²

5 0
3 years ago
What is the following simplified product? Assume x greater-than-or-equal-to 0 2 StartRoot 8 x cubed EndRoot (3 StartRoot 10 x Su
dalvyx [7]

The simplified expression of 2√8x³(3√10x⁴ - x√5x²) is 24x³√5x  - 4x³√10x

<h3>How to determine the simplified product?</h3>

The complete question is added as an attachment

From the attached figure, the product expression is:

2√8x³(3√10x⁴ - x√5x²)

Evaluate the exponents

2√8x³(3√10x⁴ - x√5x²) =  2 *2x√2x(3x²√10 - x²√5)

Evaluate the products

2√8x³(3√10x⁴ - x√5x²) =  4x√2x(3x²√10 - x²√5)

Open the bracket

2√8x³(3√10x⁴ - x√5x²) =  12x³√20x  - 4x³√10x

Evaluate the exponents

2√8x³(3√10x⁴ - x√5x²) = 24x³√5x  - 4x³√10x

Hence, the simplified expression of 2√8x³(3√10x⁴ - x√5x²) is 24x³√5x  - 4x³√10x

Read more about expressions at:

brainly.com/question/12990602

#SPJ1

5 0
2 years ago
P(x) Q(x) = R(x); if P(x)<br> 72 Am<br> R(x); if P(x)=x+2 and R(x) = x³ - 3x² - 6x-2, what is Q(x)?
stira [4]

Answer:

Q(x) is = to 11x² that's my answer

8 0
2 years ago
Half a number increased by 10 is 12. Find the number.​
Lady_Fox [76]

Answer:

4

Step-by-step explanation:

Equation:

1/2x + 10 = 12

Subtract 10 from both sides:

1/2x = 2

Divide by 1/2 from both sides:

x = 4

-Chetan K

3 0
3 years ago
Find the measure of the missing angles. Help pls
amid [387]

Answer:

Finding b:

57+b = 180     (linear pair)

b = 123

Finding c:

c = 123          (vertical angles are always congruent

7 0
3 years ago
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