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timama [110]
3 years ago
14

How many triangular faces does a rectangular pyramid have?

Mathematics
1 answer:
Advocard [28]3 years ago
5 0
A rectangular pyramid has a rectangular base and 4 triangular faces.
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The manufacturer of Pepsi claims that its 2-liter bottles contain, on average, no more than 250 calories. A sample of 20 2-liter
Stels [109]

Answer:

Yes, Sample information does indicate that a 2-liter bottle of Pepsi contains more than 250 calories  

Step-by-step explanation:  

Null Hypothesis [H0] : u < 250  

Alternate Hypothesis [H1] : u > 250 {One Tail}  

t = (x' - u) / [ sd / √n ]  

= (255 - 250) / (5.6 / √20)  

5 / (5.6 /√20)  

= 3.99  

As t ie 3.99 > t value 1.65 ie for one tail 95% confidence level. So, we reject the null hypothesis & conclude that it contains more than 250 calories.  

4 0
3 years ago
Which number can each term of the equation be multiplied by to eliminate the fractions before solving?
Vikentia [17]

Answer:

4

Step-by-step explanation:

444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444

6 0
3 years ago
The mean distance between the data values and the mean of the data set best describe which of the following?
andrezito [222]
Mean Absolute Deviation I'm pretty sure. Hope this helped, have a great day! :D
5 0
3 years ago
What’s the answer PLZ???
ollegr [7]
11. Take the logarithm, base X.
  a² - ab = 10
Since we are given that b = a - 2, we can substitute for b to get
  a² - a(a -2) = 10
  a² - a² + 2a = 10 . . . . . eliminate parentheses
  a = 5 . . . . . . . . . . . . . . simplify, divide by 2


_____
Check: a² = 5² = 25
  ab = 5·3 = 15
  X^25/X^15 = X^10 . . . . . the answer works
7 0
3 years ago
WHOEVER ANSWERS FIRST GETS BRAINLIEST
Lelu [443]

Answer: i think c

Step-by-step explanation:

i thought this was free points lol

3 0
3 years ago
Read 2 more answers
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