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Bingel [31]
3 years ago
8

A class sets up 40 chairs. There 8 chairs in each row. How many rows of chairs are there?

Mathematics
1 answer:
Vlada [557]3 years ago
7 0

Answer:

5 chairs

Step-by-step explanation:

because 40 divided by 8 is 5

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13 subtracted from a number x
Nesterboy [21]
13-x = 13- x 
theres is no answer for that x its a variable and 13 is a constant so is just 13-x
6 0
3 years ago
Read 2 more answers
Put these numbers in order from least to greatest.<br> 0.65<br> 31.56<br> 6.51<br> 6.5<br> 5.16
liberstina [14]

Answer:

0.65

5.16

6.5

6.51

31.56

Step-by-step explanation:

7 0
2 years ago
Solve for r in terms of s, t, and u. <br> t=u-s+r
Verdich [7]

Answer:

r = t - u - s

Step-by-step explanation:

To solve for r in terms of s, t, and u, means to have r on one side and have t, u, and s.

t = u - s + r

t - u = s + r

t - u - s = r

6 0
2 years ago
identify the type of sampling used​ (random, systematic,​ convenience, stratified, or cluster​ sampling) in the situation descri
sertanlavr [38]

Answer: Random sampling

Step-by-step explanation:

  • A random sampling technique is a method of sampling in which each member for the sample is chosen randomly from the population.
  • Systematic sampling :  It is a kind of random sampling in which the members get selected after a fixed interval but a random starting point.
  • Convenience sampling : It is a kind of random sampling in which the members get selected on the basis of researchers convenience.
  • Stratified sampling :  It is a kind of random sampling in which the entire population is divided into a finite number of strata , the researcher select members for sample from each strata.
  • Cluster sampling : It is a kind of random sampling in which the entire population is divided into clusters. Then a random sample of cluster is drawn by researcher.

In the given situation , 784 adults are selected after their telephone numbers were randomly generated by a​ computer.

Therefore , the  type of sampling used​ here is :  random sampling

7 0
3 years ago
What is the radius of the cone ? I need help
Mariulka [41]

Answer:

4

Step-by-step explanation:

pi*r^2

just put each number where r is to find out the answer

7 0
3 years ago
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