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Studentka2010 [4]
2 years ago
8

Saul is building a raised garden bed. The perimeter of the garden bed is 28 feet. The length of the garden bed will be 4 less th

an twice the width. What is the width of Saul's garden bed?
Mathematics
1 answer:
kap26 [50]2 years ago
7 0

Answer:

x=6

Step-by-step explanation:

2(3x-4)=28 is the formula.
Divide each side by 2 to get 3x-4=14

Subtract 4 on each side to get 3x=18
Then divide by 3 on each side to get the answer
x=6

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A shirt costs $19 you buy it on clearance for 40% off. How much did you pay for the shirt?
diamong [38]

answer: $11.40

explanation: turn the percent into a decimal, multiply it by the starting cost, then subtract the product from the starting cost

>> 40% = 0.40

0.40 x 19 = 7.60

19 - 7.60 = 11.40

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2 years ago
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Rita, Abdul, and Deon have a total of $ 128 in their wallets. Abdul has $8 less than Rita. Deon has 3 times what Abdul has
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Answer:

They have all together 1,208$

Step-by-step explanation:

Do subtraction first, 128- 8= 120 so Abdul as 120$

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3 0
3 years ago
If a bookshelf is 28 1/8 inches long,how many 1 7/8 inch thick books will it hold?
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I believe the correct answer is 15, because 15/8 x 15/1= 225/8 and when you simplify that you get 28 with 1/8 left over.
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Please Help! Multiple Choice!
Katyanochek1 [597]

Using the z-distribution, the p-value would be given as follows:

b) 0.0086.

<h3>What are the hypothesis tested?</h3>

At the null hypothesis we test if the means are equal, hence:

H_0: \mu_D - \mu_C = 0

At the alternative hypothesis, it is tested if they are different, hence:

H_1: \mu_D - \mu_C \neq 0

<h3>What are the mean and the standard error for the distribution of differences?</h3>

For each sample, they are given as follows:

  • \mu_D = 12, s_D = \frac{5.2}{\sqrt{73}} = 0.6086
  • \mu_C = 14, s_C = \frac{4.1}{\sqrt{81}} = 0.4556

Hence, for the distribution of differences, they are given by:

  • \overline{x} = 12 - 14 = -2.
  • s = \sqrt{0.6086^2 + 0.4556^2} = 0.76

<h3>What is the test statistic?</h3>

The test statistic is given by:

z = \frac{\overline{x} - \mu}{s}

In which \mu = 0 is the value tested at the null hypothesis.

Hence:

z = \frac{\overline{x} - \mu}{s}

z = \frac{-2 - 0}{0.76}

z = -2.63.

Using a z-distribution calculator, for a two-tailed test, with z = -2.63, the p-value is of 0.0086.

Hence option B is correct.

More can be learned about the z-distribution at brainly.com/question/13873630

#SPJ1

4 0
2 years ago
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