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rosijanka [135]
3 years ago
5

Zak takes 3 steps for every 2 steps Rich takes. How many steps will zak take if rich takes 18 steps? Explain how you found the a

nswer
Mathematics
2 answers:
horsena [70]3 years ago
5 0
Do 2*3 then do the answer divided by 18 to get the answrr
erma4kov [3.2K]3 years ago
5 0
27.
18/2=9
9x3=27
Hope this helps!
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Plot the ordered paired (4,-5) state which quadrant or on which axis the point lies
Rudiy27

Answer:

The point is in the 4th quadrant.

Explanation:

Given the ordered pair(4, -5), we have that x = 4 and y = -5. Plotting this point, we'll have;

Note that quadrants are labelled in an anti-clockwise direction with the top right portion of the graph as the 1st quadrant. Looking at the plotted point, we can see that it i in the 4th quadrant.

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1 year ago
Evaluate the expression if a =2.4, b = 0.237, and c =9.49
IRISSAK [1]

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(0.237)

Step-by-step explanation:

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3 years ago
Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is μd =
swat32

Answer:

Test statistic, t_{s} = -0.603 (to 3 dp)

Step-by-step explanation:

Deviation, d = x -y

Sample mean for the deviation

\bar{d} = \frac{\sum x-y}{n}

\bar{d} = \frac{(28-6) + (31-27)+(20-26)+(25-25)+(28-29)+(27-32)+(33-33)+(35-34)}{8} \\\bar{d} = -0.625

Standard deviation: SD = \sqrt{\frac{\sum d^{2} - n \bar{d}^2}{n-1}  }

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SD = \sqrt{\frac{63 - 8 *  (-0.625)^2}{8-1}  }

SD =2.93

Under the null hypothesis, the formula for the test statistics will be given by:

t_{s} = \frac{ \bar{d}}{s_{d}/\sqrt{n}  } \\t_{s} = \frac{- 0.625}{2.93/\sqrt{8}  }

t_{s} = -0.6033

6 0
3 years ago
What is the value of the 5 in the number 7.522
joja [24]
Its 0.5. Which would be in fraction form 5/10 meaning its 5 tenths.
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3 years ago
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