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madreJ [45]
2 years ago
15

Please help asap due rn

Mathematics
2 answers:
taurus [48]2 years ago
8 0

Answer:

See below.

Step-by-step explanation:

√1 = 1

-√144 = -12

∛27 = 3

∛216 = 6

9966 [12]2 years ago
3 0

Answer:

1

-12

3

6

Step-by-step explanation:

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What is the solution to this inequality?<br> -4X &gt; 500
Tcecarenko [31]

Answer: x < -125

Step-by-step explanation:

-4x / (-4) < 500 / (-4)

x < -125

7 0
3 years ago
Simplify. -y -7x + 7y<br> The simplified expression is ___y - ____x.
goblinko [34]

Answer:

the simplified expression is: 6y-7x

Step-by-step explanation:

-y+7y= 6y

           -7x

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8 0
3 years ago
What is - 3x - ( - 2 - 4x ) if x equals 5
m_a_m_a [10]
It would be 7 because -3 times 5
7 0
3 years ago
A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at th
OlgaM077 [116]

Answer:

Interval [16.34 , 21.43]

Step-by-step explanation:

First step. <u>Calculate the mean</u>

\bar X=\frac{(23+18+23+12+13+23)}{6}=18.666

Second step. <u>Calculate the standard deviation</u>

\sigma =\sqrt{\frac{(23-18.666)^2+(18-18.666)^2+(23-18.666)^2+(12-18.666)^2+(13-18.666)^2+(23-18.666)^2}{6}}

\sigma=\sqrt\frac{18.783+0.443+18.783+44.435+5.666+18.783}{6}

\sigma=\sqrt{17.815}=4.22

As the number of data is less than 30, we must use the t-table to find the interval of confidence.

We have 6 observations, our level of confidence DF is then 6-1=5 and we want our area A to be 80% (0.08).  

We must then choose t = 1.476 (see attachment)

Now, we use the formula that gives us the end points of the required interval

\bar X \pm t\frac{\sigma}{\sqrt n}

where n is the number of observations.

The extremes of the interval are then, rounded to the nearest hundreth, 16.34 and 21.43

6 0
3 years ago
On a map, Luisa placed her school at (0,0) and her home at (–3,4). Which quadrant is the point representing her home located in?
Firlakuza [10]

Answer:

upper left

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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