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vova2212 [387]
3 years ago
6

What is the perimeter of a square with one side measuring (6x+3)?

Mathematics
2 answers:
gulaghasi [49]3 years ago
6 0

because it's a square, all of the sides are equal length so you can do

4(6x+3)

which equals 24x+12

den301095 [7]3 years ago
3 0
Hi i had the same question on my weekly review sheet. Your answer would be 24x+12. Could you answer on of my questions by telling me if your in mms. Thanks.
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In ΔVWX, w = 490 inches, ∠W=31° and ∠X=79°. Find the area of ΔVWX, to the nearest square inch.
ale4655 [162]

Answer:

= 215008. 21 in²

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2 years ago
The Scottsdale fire department aims to respond to fire calls in 4 minutes or less, on average. Response times are normally distr
IgorC [24]
<h2><u>Answer with explanation</u>:</h2>

Let \mu be the population mean.

As per given , we have

H_0:\mu \leq4\\\\ H_a: \mu >4

Since the alternative hypothesis is right-tailed , so the test is a right-tailed test.

Also, population standard deviation is given \sigma=1 , so we perform one-tailed z-test.

Test statistic : z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

, where \mu = Population mean

\sigma = Population standard deviation

n= sample size

\overline{x} = Sample mean

For n= 18 , \overline{x}=4.50 , \sigma=1 , \mu =4, we have

z=\dfrac{4.5-4}{\dfrac{1}{\sqrt{18}}}\approx2.12

P-value (for right tailed test): P(z>2.12) = 1-P(z≤ 2.12)  [∵ P(Z>z)=1-P(Z≤z)]\

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Decision : Since P-value(0.9660) > Significance level (0.01), it means we are failed to reject the null hypothesis.

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Conclusion : We do not have sufficient evidence to show that the goal is not being met at α = .01 .

3 0
3 years ago
What is 1/4 of 2000 1/5 of 1600 2/3 of 1965
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Giselle's youth club sells cookies to fund their trips and activities. Each year they need to earn $1,247 from selling cookies.
algol [13]

Price per box, P = $1.45 .

Money left, M = $1247 - $472.70 = $774.3  .

Let, number of boxes are x.

So,

x = \dfrac{774.3}{1.45}\\\\x = 534\ boxes

Therefore, they have to sell 534 more boxes.

Hence, this is the required solution.

6 0
3 years ago
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