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Bas_tet [7]
3 years ago
11

Please help ASAPSimplify

^2}" alt="\sqrt{.64x^2}" align="absmiddle" class="latex-formula"> if x\leq 0
Mathematics
1 answer:
Brilliant_brown [7]3 years ago
3 0
Answer: 4/5x

Explanation: simply the expression, then convert it and calculate your answer.
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In a random sample of 16 residents of the state of Washington, the mean waste recycled per person per day was 2.8 pounds with a
kakasveta [241]

Answer: The required confidence interval would be (2.72,2.89)

Step-by-step explanation:

Since we have given that

Mean = 2.8 pounds

Standard deviation = 0.24 pounds

n = sample size = 16

We need to find the 80% confidence interval for the mean waste.

z=1.341

So, the confidence interval will be

\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=(2.8\pm 1.341\times \dfrac{0.24}{\sqrt{16}})\\\\=(2.8\pm 1.314\times 0.06)\\\\=(2.8-0.07884,2.8+0.07884)\\\\=(2.72116,2.87884)

Hence, the required confidence interval would be (2.72,2.89)

4 0
3 years ago
Please help ASAP! THANKS<br>WILL MARK BRAINLIEST
lara31 [8.8K]

Answer:

square root of 1

Step-by-step explanation:

Try it.

8 0
3 years ago
Simplify the expression:<br> 10+-2f^2+-6+7+-2f^2+-9f
aleksandrvk [35]
10+-2f^2+-6+7+-2f^2+-9f = 10-2f^2 -6+7-2f^2 -9f \\\\= -2f^2 -2f^2 -9f+10-6+7= \boxed  {-4f^2 -9f +11}
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Alina has just received 3 video games for her birthday to add to her existing 12 video games. A week later she went to the thrif
amm1812
She should have a total of 35 games by now.
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Bonjour, vous pouvez m'aider pour mon devoir de maths Quelle la valeur exacte de la longueur d'un cercle de rayon 7 m
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Step-by-step explanation:

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