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andreyandreev [35.5K]
2 years ago
5

What is the area of the pyramid square base

Mathematics
1 answer:
Scrat [10]2 years ago
6 0

Answer:

25 cm^2

Step-by-step explanation:

the area of 1 triangle is 20, so the missing length of the triangle is 5. 5x5=25

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Classify the following random variables as discrete or continuous:X: the number of automobile accidents per year in Virginia. Y
Elena-2011 [213]

Answer:

X: discrete

Y: continuous

M: continuous

N: discrete

P: discrete

Q: continuous

Step-by-step explanation:

First, we have to know the difference between discrete and continuous variables:

  • Discrete variables are those that represent things that are counted, 3 red cars, 2 chickens, etc.. They take positive integer values, {0, 1, 2, ..., n}, being [0, n] the interval from which the variable takes values, that means, there is a finite number of possible values.
  • Continuous variables are those that represent things that are measured, 3.56 km of railway laid, 5.77 l of paint used. They take positive real values, that means that in the interval used for the variable there are infinite possible values.

Now, we classify each variable:

  1. The number of automobile accidents per year in Virginia (X) is a discrete variable, as there can't be half an accident, one counts how many accidents are per year to know X.
  2. The length of time to play 18 holes of golf (Y) is a continuous variable, as it can take 2 hours, or 2.5 hours, or 2 hours, 30 minutes, 2 seconds, one measures how long it took to play 18 holes to know Y.
  3. The amount of milk produced yearly by a particular cow (M) is a continuous variable, as one measures how much milk was produced to know M.
  4. The number of eggs laid each month by a hen (N) is a discrete variable, as one counts how much eggs were laid to know N.
  5. The number of building permits issued each month in a certain city (P) is a discrete variable, as one counts how many permits were issued to know P.
  6. The weight of grain produced per acre (Q) is a continuous variable, as one measures the weight per acre to know Q.
3 0
3 years ago
4.
svet-max [94.6K]
Buy 5 for $12 and buy 4 for $15
8 0
3 years ago
Cooley et al. (2009) randomly assigned either of two treatments, naturopathic care (diet counseling, breathing techniques, vitam
igomit [66]

Answer: Experimental study

Step-by-step explanation:

This is an experimental study because it involves determination of the effect of each treatment on separate individuals. It involves selecting the 81 individuals randomly to be treated with a particular treatment (either of the two treatment). In experimental study the researcher apply separate treatments on a different groups and measure its effect on each of the groups.

4 0
3 years ago
If the area is 1808.64 what is the circumference
Dafna1 [17]
Area of circle = πr²

Find radius:
πr² = 1808.64
r² = 1808.64 ÷ π
r² = 575.71
r = √575.71
r = 23.99 units

Find Circumference:
Circumference = 2πr
Circumference = 2π (23.99)
Circumference = 150.76 units

Answer: Circumference = 150.76 units
3 0
3 years ago
Trapezoid W′X′Y′Z′ ​ is the image of trapezoid WXYZ under a dilation through point C.
Luda [366]

The answer is 3 over 4

4 0
3 years ago
Read 2 more answers
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