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emmainna [20.7K]
4 years ago
13

Create a real world example for each of the words and the words are expressions, equations, inequalities.

Mathematics
1 answer:
d1i1m1o1n [39]4 years ago
6 0
Expression: 5+5
Equation: 5a + 2b =5
Inequality: 2x > 2+5
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Abe is buying wrapping paper.
Pavlova-9 [17]

Answer:

Least to Greatest:

<u>Orange, Blue, Red, Green</u>

Step-by-step explanation:

To find the amount per square foot, you divide the amount by the number of square feet.

<em>RED:</em> 1.79/12.5 = .1432

<em>BLUE:</em> 5.29/40 = .13225

<em>GREEN:</em> 8.49/50 = .1698

<em>ORANGE:</em> 6.00/60 = .1

8 0
3 years ago
Un globo vuela entre dos ciudades A y B, que distan entre sí 1.500 m. Los tripulantes del globo ven la ciudad A con un ángulo de
enot [183]

Answer:

La altura del globo con respecto al suelo es 449,6 metros.

Step-by-step explanation:

La afirmación está incompleta. El enunciado completo es: "Un globo vuela entre dos ciudades A y B, que distan entre sí 1.500 m. Los tripulantes del globo ven la ciudad A con un ángulo de depresión de 27°, mientras que para ver la ciudad B es de 36°. ¿Cuál es la altura aproximada del globo con respecto al suelo?

El diagrama geométrico de la situación se encuentra descrita en el archivo adjunto. La altura aproximada del globo puede obtenerse con ayuda de las funciones trigonométricas, en este caso, se recomienda utilizar la función tangente de los ángulos de depresión:

Ciudad A

\tan 27^{\circ} = \frac{h}{1500\,m-x}

0,510 = \frac{h}{1500\,m-x}

Ciudad B

\tan 36^{\circ} = \frac{h}{x}

0,727 = \frac{h}{x}

Donde h y x son la altura con respecto al suelo y la distancia horizontal con respecto a la ciudad A.

A continuación, se elimina la altura de ambas ecuaciones por igualación y se determina la distancia horizontal del globo con respecto a la ciudad A:

0,727\cdot x = 0,510\cdot (1500\,m-x)

1,237\cdot x = 765\,m

x = 618,432\,m

Finalmente, la altura del globo con respecto al suelo es:

h = 0,727\cdot x

h = 0,727\cdot (618,432\,m)

h = 449,600\,m

La altura del globo con respecto al suelo es 449,6 metros.

6 0
3 years ago
Help please I would give more pints but I dont have any. Who ever answers first get brainliest.
love history [14]
<span>4x(x) + 3(2x) and 4x2 + 6x  => 4x^2 + 6x and 4x^2 + 6x
5(3x) - 4(3x) and 3x  => 15x-12x=3x and 3x
4(3a) - 2(4a) and 4a2 => 12a-8a=4a and 4a^2
3(3a) + a(3a) and 3a2 + 9a  => 9a+3a^2 and 9a + 3a^2

Can you spot the one which is different?


</span>
5 0
4 years ago
Find the smallest positive angle θ in QI for which tan θ = 1
sveticcg [70]
I believe the correct answer is 45 degrees. The smallest positive angle <span>θ in QI for which tan θ = 1 would be 45 degrees. We obtain it as follows:

</span>tan θ = 1
<span>θ = tan^-1 (1)
</span>θ = 45 degrees

Hope this answers the question. Have a nice day.
4 0
3 years ago
After 15 minutes a train has moved miles toward its destination. How many miles per minute is the train moving?
Natasha_Volkova [10]

Answer:

1.57

Step-by-step explanation:

9/2 miles is the same thing as saying 9 and a half so all you need to do is 15/ 9.5 = so that is 1. 57

4 0
3 years ago
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