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nikklg [1K]
3 years ago
12

What value of x is in the solution set of -5x – 15 > 10 + 20x? -2 -1 0 1

Mathematics
1 answer:
jekas [21]3 years ago
5 0

Answer: x < -1

Step-by-step explanation:

-5x-15>10+20x

-5x-15-20x>10'-25x-15>10

-25x-15>10

-25x>10+15

-25x>25

x < 25 / -25

=

x < -1

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A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 1
TEA [102]

Answer:

The correct answer will be "0.3043".

Step-by-step explanation:

The given values are:

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\sigma^2=25

then,

\sigma=5

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∴  P(x>15.4)

⇒  1-P(x

⇒  1-P(\frac{x-\mu}{\frac{\sigma}{\sqrt{n} } }

⇒  1-P(Z

⇒  1-0.695762

⇒  0.3043

6 0
3 years ago
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katrin2010 [14]
I got b I think that’s the answer
3 0
3 years ago
I need help............
marshall27 [118]
A.
\frac{16 + 104}{150}  =  \frac{120}{150} =  \frac{4}{5}  = 80\%
b.
\frac{22 + 104}{150}  =  \frac{126}{150}  = 0.84 = 84\%
3 0
4 years ago
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kogti [31]

Answer:

I think B

Step-by-step explanation:

8 0
3 years ago
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At Corner Deli, you can get 6 bagels for $6. How much does it cost per 1 bagel?
snow_lady [41]

Answer:

$1.00 per bagel

Step-by-step explanation:

To find the unit rate, you just have to divide the number of bagels by how much they cost.

In your problem, the number of bagels is 6 and the price is also 6.

Now all you have to do is divide 6 by 6 and the answer to that is 1.

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3 years ago
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