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3 years ago

Solve: -x+3>\:2x+1 Show your work :)

Mathematics

1 answer:

scoundrel [369]3 years ago

5 0

Answer:

X=7/6

Step-by-step explanation:

2x=3-x+1/2

3x=3+1/2

3x=7/2

X=7/2*1/3

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A random sample of 17 hotels in Boston had an average nightly room rate of $165.40 with a sample standard deviation of $21.70. T

Citrus2011 [14]

Answer:

•Lower confidence limit = $155.2109

•Upper confidence limit ,= $174.5891

Step-by-step explanation:

We are given:

U = 17

x' = $165.40

S.d = $21.70

a = 10℅ (90℅ confidence interval)

For s.d(x'), we have:

S/√u = $\frac{21}{\sqrt{7}}$

= 5.2630

Therefore, S.E (x') = $5.2630

At a= 0.10 (90℅ confidence level)

and degree of freedom = 16 (17-1)

$Thus, t_1_6_, _0_._1_0 = 1.746$

90℅ confidence interval all around sample mean, will be:

(x' ± $t_(_n_-_1)$ ; a S.E (x')

= (165.4±(174.6)(5.2630)

(165.5±9.189)

($156.2109, $175.5891)

5 0

3 years ago

Read 2 more answers

First find f+g, f-g, f-g and f\g. Then determine the domain for each function f(x)=3×+7,g(×)=×+9 (f+g)(×)=

Lemur [1.5K]

I'll do f+g, you try the others on your own and comment if you need help with them! For f+g, you're just going to add the two functions together:
$f(x)=3x+7$
$g(x)=x+9$
$(f+g)(x)=(3x+7)+(x+9)=4x+16$

8 0

3 years ago

What is the equation the following line

Bumek [7]

Answer:

$y=9x$

Step-by-step explanation:

This is the slope-intercept form $y-mx+b$ where $m$ stands for the slope and $b$ stands for the y-intercept. The slope in the picture is 9/1 or just 9 simply. The y-intercept, or where the line crosses the y-axis is at 0 so you don't have to write if there's a 0.