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Lena [83]
3 years ago
14

Nilda y sus compañeros de colegio están pintando dos paredes de su salón de clases. El área de una pared está representada por 3

x² – 5x + 14, y el área de la otra pared está representada por 2x – 17. ¿Cuál es el total del área de las dos paredes? Por favor es urgente
Mathematics
1 answer:
Tpy6a [65]3 years ago
4 0

Responder:

<u>3x² - 3x -3 </u>

Explicación paso a paso:

Dado

Área de una pared = 3x² - 5x + 14

Área de la otra pared = 2x - 17

El área total de las dos paredes es la suma de las áreas de ambas paredes como se muestra;

Área total = 3x² - 5x + 14 + 2x - 17

Área total = 3x² -5x + 2x + 14-17

Área total = 3x² - 3x -3

Por tanto, el área total de ambas paredes es <u>3x² - 3x -3 </u>

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Answer:

{ \tt{2 \cos60 \degree +  \tan(45 \degree) }} \\  \\  = 2(0.5) + 1 \\  = 1 + 1 \\  = 2

8 0
3 years ago
Ji and Layla played a game in which they scored 10 points for a correct answer and lost 20 points for an incorrect answer. Ji an
Finger [1]

Layla had the higher score by 20 points.

Step-by-step explanation:

Given,

Points for correct answer = 10 points

Points for incorrect answer = 20 points

Loss means subtraction;

Therefore,

Total points of Ji = Correct answers*10 - Incorrect answers*20

Total points of Ji = 7*10 - 3*20

Total points of Ji = 70 - 60

Total points of Ji = 10 points

Total points of Layla = Correct answers*10 - Incorrect answers*20

Total points of Layla = 5*10 - 1*20

Total points of Layla = 50 - 20

Total points of Layla = 30 points

Difference = Points of Layla - Points of Ji

Difference = 30 - 10 = 20 points

Layla had the higher score by 20 points.

Keywords: multiplication, subtraction

Learn more about subtraction at:

  • brainly.com/question/11108818
  • brainly.com/question/11149751

#LearnwithBrainly

6 0
3 years ago
What can 14/6 go into it’s simplest form?<br> See
ladessa [460]

Answer:

7/3

Step-by-step explanation:

You divide 14 and 6 by 2 that is equal 7/3

6 0
3 years ago
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Craig left his house at noon and drove 50 miles per hour until 3PM. Then he drove the next 5 hours at 70 miles per hour. Calcula
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Answer:

Step-by-step explanation:

Craig left his house at noon and drove 50 miles per hour until 3PM. Then he drove the next 5 hours at 70 miles per hour. Calculate the average rate of change for the entire trip.

7 0
2 years ago
The volume of a cylinder of radius r and height h is given by V = π r 2 h. Then the height, in terms of the radius and volume, i
sdas [7]
Hello There!

It is represented as: h = \frac{v }{ \pi  r^{2} }

Hope This Helps You!
Good Luck :) 

- Hannah ❤
5 0
3 years ago
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