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sleet_krkn [62]
2 years ago
9

X-(-27)=35-12 solving equation

Mathematics
1 answer:
irakobra [83]2 years ago
4 0
-4 is the correct answer
35-12 =25
-4 - ( -27) = -4 + 27 =23
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Quick help guys thanks :)
Sonbull [250]

Answer:

\large\boxed{t^{-58}u^{-88}v^{-71}w^{-1}}

Step-by-step explanation:

\dfrac{tuv^4w^0}{t^{59}u^{89}v^{75}w}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=t^{1-59}u^{1-89}v^{4-75}w^{0-1}=t^{-58}u^{-88}v^{-71}w^{-1}

8 0
3 years ago
William had $240. Michael had $420. What was as the ratio of William's money to Michael's money ? PLEASE SHOW ALL STEPS.
nasty-shy [4]
William has $240 to Michael's $420
this can be written in a ratio as 240 : 420
which can then be reduced to

24:42
12:21
4:7
4 0
3 years ago
Read 2 more answers
In Exercises 1–4, use these results from a USA Today survey in which 510 people chose to respond to this question that was poste
Alexus [3.1K]

Answer:

The proportion of the population believes that passwords should be replaced with biometric security is not more than 50%.

Step-by-step explanation:

In this case we need to test the claim that more than half of the population believes that passwords should be replaced with biometric security.

Assume that the significance level of the test is, <em>α</em> = 0.05.

The hypothesis can be defined as follows:  

<em>H</em>₀: The proportion of the population believes that passwords should be replaced with biometric security is 50%, i.e. <em>p</em> = 0.50.  

<em>Hₐ</em>: The proportion of the population believes that passwords should be replaced with biometric security is more than 50%, i.e. <em>p</em> > 0.50.  

The information provided is:

n = 510\\\hat p=0.53

Compute the test statistic value as follows:

 z=\frac{\hat p-p}{\sqrt{\frac{p(1-p)}{n}}}

    =\frac{0.53-0.50}{\sqrt{\frac{0.50(1-0.50)}{510}}}\\\\=1.354991\\\\\approx 1.35

The test statistic value is 1.35.

The decision rule is:

The null hypothesis will be rejected if the p-value of the test is less than the significance level.

Compute the p-value as follows:

 p-value=P(Z>1.35)

                 =1-P(Z

<em>p</em>-value = 0.088 > <em>α</em> = 0.05.

The null hypothesis will not be rejected at 5% significance level.

Thus, there is not enough evidence to support the claim.

Conclusion:

The proportion of the population believes that passwords should be replaced with biometric security is not more than 50%.

7 0
3 years ago
Plz help me on this i need this done by tomorrow plz help
bagirrra123 [75]

Answer:

Step-by-step explanation:

What you do first is multiply -4 and -5 which gives you 20 (two negatives gives you a postitive answer.) Then add 18 which gives you 38.

Answer: 38

3 0
3 years ago
6:30-33D<br> Points are getting up .
Klio2033 [76]
What is the question pls I don’t understand
7 0
3 years ago
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