3 years ago

Is x=-1 a solution of: -4-4x<-x-2

Mathematics

1 answer:

vodka [1.7K]3 years ago

5 0

Answer:

yes it's a solution. I think. I don't really know this

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The average score of this quiz is 24 points with a standard deviation of 1.5 points. What is the probability that someone scored

navik [9.2K]

Answer:

8.08 %

Step-by-step explanation:

Let us denote : $X=$ score X follows a normal distribution with mean $=24$ and standard deviation $=1.5$

Step 2

The probability that someone scored 21.9 or less is :

$\mathrm{P}(\mathrm{X} \leq 21.9)$

$=\mathrm{P}\left(\mathrm{Z} \leq \frac{21.9-24}{1.5}\right)$

$=\mathrm{P}(\mathrm{Z} \leq-1.4)$

$=0.0808$

$=8.08%$

Answer : $8.08 %$

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3 years ago

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Sveta_85 [38]

Answer:

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Step-by-step explanation:

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3 years ago

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Piper deposited $734.62 in a savings account that earns 2.6% simple interest. What is Piper’s account balance after seven years?

xz_007 [3.2K]

That would be $868.32

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4 years ago

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when you go to answer this, can someone please give me the steps on how to do it, because I think I'm doing it wrong

leva [86]

Answer:

TUA=123

Step-by-step explanation:

so first we find <TUS in terms of x

so 180-11x-2

178-11x

so now we can use the sum of a triangle's angles which is always 180 to find the angles in triangle TUS

178-11x+5x+10+58=180

178-6x=112

take 178 from both sides

-6x=-66

x=11

so we can do 11x11+2=TUA

TUA=123

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3 years ago

If you know how to do this, please write an answer.

daser333 [38]

hint the circle is 40 inches and the square is 100 inches

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3 years ago