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Zanzabum
4 years ago
11

B) -3x - 10 = 5x + 6

Mathematics
2 answers:
arsen [322]4 years ago
7 0

Answer:

x = -2

Step-by-step explanation:

+10 both sides,

-5x both sides

divide by -8 both sides

16/-8 = -2

miskamm [114]4 years ago
6 0

Answer:

- 2

Step-by-step explanation:

5x + 3x = - 10 - 6

8x = -16

x = -2

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Read 2 more answers
The heights of a certain population of corn plants follow a normal distribution with mean 145 cm and stan- dard deviation 22 cm
Firdavs [7]

Answer with explanation:

Given : The heights of a certain population of corn plants follow a normal distribution with mean \mu=145\ cm and standard deviation \sigma=22\ cm

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z=\dfrac{135-145}{22}\approx-0.45

At x= 155, z=\dfrac{155-145}{22}\approx0.45

The probability that plants are between 135 and 155 cm tall :-

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Hence, 34.73% of the plants are between 135 and 155 cm tall.

b) Sample size : n= 16

Using formula z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}, the z-value corresponds to x= 135 will be

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At x= 155, z=\dfrac{155-145}{22}{\sqrt{16}}\approx1.82

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3 years ago
A new playground is in the shape of a square. On a scale drawing, the vertices of the playground’s coordinates are: (6,0.5), (6,
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