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Pachacha [2.7K]
3 years ago
6

Determine the solution 5(2x-6)=7x-3

Mathematics
1 answer:
alisha [4.7K]3 years ago
3 0

Answer:

X=9

Step-by-step explanation:

10x-30 = 7x-3

10x-7x = -3 + 30

3x = 27

x=9

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Un cable guía de 600 pies esta sujeto a la parte superior de una torre de comunicaciones. Si el cable forma un ángulo de 65° con
natita [175]

Answer:

La torre tiene 543.78 pies de altura.

Step-by-step explanation:

Podemos pensar en esta situación como si fuera un triángulo rectángulo, donde el cable es la hipotenusa y la torre es uno de los catetos. (Abajo se puede ver un dibujo de esta situación).

Nosotros queremos encontrar el valor de H, que es el cateto opuesto al ángulo conocido de 65°.

Entonces simplemente podemos usar la relación:

Sin(θ) = (cateto opuesto)/(hipotenusa)

donde:

cateto opuesto = H

θ = 65°

hipotenusa = 600 ft

sin(65°)  = H/600ft

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La torre tiene 543.78 pies de altura.

8 0
3 years ago
How to find the derivative of an integral with bounds.
Free_Kalibri [48]

Answer:

The statement of the fundamental theorem of calculus shows the upper limit of the integral as exactly the variable of differentiation. Using the chain rule in combination with the fundamental theorem of calculus we may find derivatives of integrals for which one or the other limit of integration is a function of the variable of differentiation.

Step-by-step explanation:

3 0
3 years ago
What is the height of a square pyramid with a volume of 75 cubic feet and base length of 5 feet
natima [27]
So hmm notice the picture below

is a "square" pyramid, thus, the base is a square, all sides are the same

now, we know the volume is 75 and one side is 5

thus \bf \textit{volume of a pyramid}\\\\
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V=75
\end{cases}\\\\\\ 75=\cfrac{1}{3}\cdot 25\cdot h

solve for "h" or height

5 0
3 years ago
Read 2 more answers
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geniusboy [140]
112/15= 7.46 or 7.5
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7 0
4 years ago
Read 2 more answers
Who wrote the social contract ?
maks197457 [2]

Answer:

Jean-Jacques Rousseau

Step-by-step explanation:

This is not a math question so there is nothing to put here.

5 0
3 years ago
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