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3 years ago

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Dos rectas son paralelas, una de ellas es 3x+2y−4=0 y la otra pasa por el punto (4,5); Encuentra la ecuación general de la otra

recta

1 answer:

____ [38]3 years ago

8 0

Step-by-step explanation:

la respuesta está en la imagen de arriba .si necesita ayuda, no dude en preguntar

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The average weight of 3 containers A,B and C is 3.2kg. Container A is twice as heavy as container B. Containers B is 400 g heavi

dlinn [17]

Answer:

The weight of container C is 2.1kg.

Step-by-step explanation:

This question is solved using a system of equations.

I am going to say that:

x is the weight of container A.

y is the weight of container B.

z is the weight of container C.

The average weight of 3 containers A,B and C is 3.2kg.

This means that the total weight is 3*3.2 = 9.6kg. So

$x + y + z = 9.6$

Container A is twice as heavy as container B.

This means that $x = 2y$ .

Containers B is 400 g heavier than container C.

400g is 0.4kg. So

This means that $y = z + 0.4$ , or $z = y - 0.4$

Replacing y and z as functions of x in the first equation:

$x + y + z = 9.6$

$2y + y + y - 0.4 = 9.6$

$4y = 10$

$y = \frac{10}{4} = 2.5$

Container C

$z = y - 0.4 = 2.5 - 0.4 = 2.1$

The weight of container C is 2.1kg.

4 0

3 years ago

Answer choices <br> 50%<br> 60%<br> 65%<br> If you put a link I will report

hodyreva [135]

Answer:

50%

Step-by-step explanation:

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3 years ago

Find the measure of one exterior angle of the following polygon:<br> Nonagon

marusya05 [52]

Answer:

40°

Step-by-step explanation:

1. Shape of a nonagon: <em>9</em> (root non-)

2. Total exterior angle: <em>360°</em> (constant for all polygons)

3. Given that this polygon is regular, the one exterior angle of an nonagon is <em>360°/9</em> = 40°.

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3 years ago

Read 2 more answers

How do you write 400 in scientific notation?

Mkey [24]

Answer: 4x10^2

Step-by-step explanation:

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2 years ago

What value of n makes this expression equal to 6?<br> 3n - (2+n)<br> A. 6<br> B. 4<br> C. 5<br> D. 3

alexandr1967 [171]

B. 4
3n - (2 + n)
3(4) - (2 + 4)
12-6
=6

6 0

3 years ago