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Len [333]
3 years ago
9

What is -3/2x |x-22| +33

Mathematics
1 answer:
bogdanovich [222]3 years ago
6 0

Answer:

Find the domain by finding where the expression is defined. The range is the set of values that correspond with the domain.

Domain: (−∞,0)∪(0,∞),{x|x≠0}(-∞,0)∪(0,∞),{x|x≠0}

Range: ,{x|}

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503497and 26475<br> The value of 7 in_ is- times the value of 7 in-
Ksenya-84 [330]

In comparison 503497 and 26475,

The value of 7 in 26475 is ten times the value of 7 in 503497

7 x 10 = 70

hope this helps

7 0
3 years ago
Read 2 more answers
A simple random sample of 20 days in which Parsnip ate seeds was selected, and the mean amount of time it took him to eat the se
bearhunter [10]

Answer:

(14.5-13.9) -1.69 \sqrt{\frac{3.98^2}{20}+ \frac{4.03^2}{17}} = -1.63

(14.5-13.9) +1.69 \sqrt{\frac{3.98^2}{20}+ \frac{4.03^2}{17}} = 2.83

And the confidence interval for this case -1.63 \leq \mu_1 -\mu_2 \leq 2.83

Step-by-step explanation:

We know the following info from the problem

\bar X_1 = 14.5 sample mean for the group 1

s_1 = 3.98 the standard deviation for the group 1

n_1= 20 the sample size for group 1

\bar X_2 = 13.9 sample mean for the group 2

s_1 = 4.03 the standard deviation for the group 2

n_2= 17 the sample size for group 2

We have all the conditions satisifed since we have random samples.

We want to construct a confidence interval for the true difference of means and the correct formula for this case is:

(\bar X_1 -\bar X_2) \pm t_{\alpha/2}\sqrt{\frac{s^2_1}{n_1} +\frac{s^2_2}{n_2}}

The degrees of freedom are given :

df = n_1 +n_2- 2 = 20+17-2=35

The confidence level is 0.9 or 90% and the significance level is \alpha=1-0.9=0.1 and \alpha/2 = 0.05 and the critical value for this case is:

t_{\alpha/2} = 1.69

And replacing the info given we got:

(14.5-13.9) -1.69 \sqrt{\frac{3.98^2}{20}+ \frac{4.03^2}{17}} = -1.63

(14.5-13.9) +1.69 \sqrt{\frac{3.98^2}{20}+ \frac{4.03^2}{17}} = 2.83

And the confidence interval for this case -1.63 \leq \mu_1 -\mu_2 \leq 2.83

5 0
3 years ago
Please help me . I am trying to do cancellation but i am having trouble
qwelly [4]
In this question, you are only able to cancel out the (x + 5). The others are unable to be cancelled.
4 0
3 years ago
Help me with this and I'll mark you as Brain
SSSSS [86.1K]

Answer:

a) x^3y2

b) 6x^2y^3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Cual es la respueta para 2/67 multiplicado por 34/67
ivolga24 [154]
<span>La respuesta es 68/4489 en términos más bajos.</span>
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3 years ago
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