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anastassius [24]
3 years ago
15

Find the missing measurement. Round your answer to the nearest tenth.

Mathematics
1 answer:
Nikolay [14]3 years ago
3 0

Answer:

mhm mk yea ty

Step-by-step explanation:

ty soi soo much..........

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Find the derivative of f(x)=2arcsin(x-1)
andreev551 [17]
Since \dfrac{\mathrm d}{\mathrm dx}\arcsin x=\dfrac1{\sqrt{1-x^2}, you have

\displaystyle\frac{\mathrm d}{\mathrm dx}2\arcsin(x-1)=2\frac{\mathrm d}{\mathrm dx}\arcsin(x-1)=2\frac{\dfrac{\mathrm d}{\mathrm dx}(x-1)}{\sqrt{1-(x-1)^2}=\frac2{\sqrt{2x-x^2}}
6 0
4 years ago
Factor each expression 9+15m-21n
Marianna [84]

Answer:

The answer is 3(3+5m-7n)

Hoped this helped!

3 0
3 years ago
Jimmy wants to buy a scooter and the price is 50 dollars when he goes to the store the second time it is marked down 20 % whats
Maru [420]
20% of $50 is:
$50* (20/100)= $10.

$50- $10= $40

The new price is $40.

Hope this helps~
6 0
4 years ago
Suppose a polling agency reported that 44.4​% of registered voters were in favor of raising income taxes to pay down the nationa
g100num [7]

Answer:

<em>95% of confidence interval for the proportion of registered voters who are in favor of raising income taxes to pay down the national debt.</em>

<em>(0.414 ,0.474)</em>

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

<em>Given sample proportion </em>

<em>                                     p⁻ = 44.4 % = 0.444</em>

<em>Random sample size 'n' = 1049</em>

<em>Given margin of error for 95% confidence level = 3 % = 0.03</em>

<u><em>Step(ii):-</em></u>

<em>95% of confidence interval for the proportion is determined by</em>

(p^{-} - Z_{\alpha }\sqrt{\frac{p^{-} (1-p^{-} }{n} }  , p^{-} + Z_{\alpha }\sqrt{\frac{p^{-} (1-p^{-} }{n} })<em></em>

we know that

<em>Margin of error for 95% confidence level is determined by</em>

M.E = Z_{\alpha }\sqrt{\frac{p^{-} (1-p^{-}) }{n} }

<u><em>Step(iii):-</em></u>

Now

<em> 95% of confidence interval for the proportion is determined by</em>

(p^{-} - M.E, p^{-} + M.E)<em></em>

<em>Given Margin of error </em>

<em>                               M.E = 0.03</em>

<em>Now 95% of confidence interval for the proportion</em>

(0.444 - 0.03, 0.444+ 0.03)<em></em>

<em>(0.414 ,0.474)</em>

<u><em>Conclusion:-</em></u>

<em>95% of confidence interval for the proportion of registered voters who are in favor of raising income taxes to pay down the national debt.</em>

<em>(0.414 ,0.474)</em>

6 0
3 years ago
What are two fractions equal to 2/5?
Georgia [21]
Two fractions that are equal to 2/5 are 4/10 and 6/15. In order to find fractions that are equal to it, just multiply both the numerator and the denominator by any number. I multiplied them by 2 and 3, to keep things simple.

2 x 2 = 4
2 x 5 = 10
4/10

2 x 3 = 6
5 x 3 = 15
6/15

Hope this helps!
8 0
4 years ago
Read 2 more answers
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