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zysi [14]
3 years ago
12

Solve for x: −2x − 4 > 8 x < −6 x > −6 x < −2 x > −2

Mathematics
1 answer:
ivann1987 [24]3 years ago
5 0

Step-by-step explanation:

first remove this -4

so add 4 on both side

-2x-4+4>8+4

-2x>12

then remove -2

so divide both side by - 2 if we multiply or divide by negative number so sign will reverse

x<-6

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When will these two lines intersect <br>C. y=-2x +3<br>y = x​
Andrej [43]

Answer:

The intersection point  of the given lines is  (1,1).

Step-by-step explanation:

Here, the given equations are:

y  =  - 2 x +  3

y  =  x​

Substitute y = x in  the first equation,

y   = -2 x  +  3 becomes      y =  -2 (y)  + 3

or, y + 2 y = 3

or, 3 y = 3  ⇒  y = 3/3 = 1

⇒  y =  1

Now, as x =  y ⇒ x =   1

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3 years ago
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nataly862011 [7]

Answer:

13.896 kg

Step-by-step explanation:

You can find the mass of the bar by first finding the volume.

V = BH

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The area of a trapezium is

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where b1 and b2 are the lengths of the bases of the trapezium (the parallel sides), and

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V = (12 cm + 6 cm)(5 cm)/2 * 16 cm

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Now we use the density and the volume to find the mass.

density = mass/volume

mass = density * volume

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Now we convert grams into kilograms.

1 kg = 1000 g

mass = 13,896 g * (1 kg)/(1000 g)

mass = 13.896 kg

Answer: 1.3896 kg

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Step-by-step explanation:

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3 years ago
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