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3 years ago

HELP UHM, true or false question, look at the image, dont guess and no links + brainiest + extra points

Mathematics

2 answers:

alexira [117]3 years ago

6 0

Answer:

Yes

What solid shape do the two nets make?

1. Rectangular Prism

2. Triangular Prism

Brainlist Pls!

german3 years ago

3 0

Answer:

false

it can have more

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The makers of a soft drink want to identify the average age of its consumers. A sample of 25 consumers was taken. The average ag

Lelu [443]

Answer:

a.1.90 years

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.99}{2} = 0.005$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.005 = 0.995$ , so $z = 2.575$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this question:

$n = 25, \sigma = 3.8$

$M = 2.575*\frac{3.8}{\sqrt{25}} = 1.90$

So the correct answer is:

a.1.90 years

8 0

3 years ago

help............................................................................................................................

dlinn [17]

Answer:6/25

Step-by-step explanation:

6 0

3 years ago

Help help help math math

Arada [10]

Answer:

$x > - 14$

Step-by-step explanation:

Since the dot in the illustration isn't filled in, that means that x can not be a part of -14, which means it is greater than 14

6 0

2 years ago

- 2x – 117 = = 10x + 59

Alexxx [7]

Answer:

$\huge\boxed{x=-\dfrac{44}{3}=-14\dfrac{2}{3}}$

Step-by-step explanation:

$-2x-117=10x+59\qquad|\text{add 177 to both sides and subtract}\ 10x\ \text{from both sides}\\\\-2x-10x-117+117=10x-10x+59+117\\\\-12x=176\qquad|\text{divide both sides by (-12)}\\\\\dfrac{-12x}{-12}=\dfrac{176}{-12}\\\\x=-\dfrac{176:4}{12:4}\\\\x=-\dfrac{44}{3}$

4 0

3 years ago

I just wanted to make sure what I'm doing is right

Olin [163]

You're doing it exactly right! Keep on going! :)

6 0

3 years ago