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Gnoma [55]
3 years ago
5

Which statements are true about the ordered pair (10, 5) and the system of equations?

Mathematics
1 answer:
RSB [31]3 years ago
4 0

Answer:

m<BEC = 40o

Step-by-step explanation:

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Eight two-person teams are participating in a three-legged race. Find the number of orders in which all 8 teams can finish the r
Wewaii [24]
Each team needs two people for a 3-legged race.
Therefore, the number of orders (combinations) of 2 people at a time from 8 is
₈C₂ = 8!/(2!6!)
      = (8*7*6!)/(2*6!)
      = (8*7)/2
      = 56/2
      = 28

Answer: 28
8 0
3 years ago
Use the expression to find the value of the 20th term.<br> A. 24<br> B. 76<br> C. 80<br> D. 84
Oliga [24]

Answer:

c

Step-by-step explanation:

if its talking about what ones a factor or moltiple of 20 then c if not then i dont know

5 0
3 years ago
A student randomly draws a card from a standard deck and checks to see if it is his favorite suit he then returned to card to th
tensa zangetsu [6.8K]

Answer:

The binomial probability formula can not be used for this experiment because it does not state the number of times he expects to draw his favorite suit.  

Step-by-step explanation:

The binomial probability formula is expressed as follows:

P (k success in n trials) = \left \{ {{n \atop k} \right. p^{k}q^{n-k}

n = number of trials, k = number of successes, n-k = number of failures, p = probability of success in one trial and q = 1 - p = probability of failure in one trial.  

In the given problem, all of the variables are known except for 'k', the amount of times that the student predicts he will draw his favorite suit.  

8 0
4 years ago
A number r is no less than −1.5 and fewer than 9.5
melisa1 [442]

Answer:

r can be any number -1.5 to 9.4999999

Step-by-step explanation:


4 0
3 years ago
Graph the line that passes through the points (9,-8) and (9,6) and determine the
avanturin [10]

Answer:

<em>x = 9</em>

Step-by-step explanation:

The standard form of equation of a line is expressed as y = mx+c

m is the slope

c is the y intercept

Note that the line does not have a slope and the x intercept of the line is a point where the line cuts the x axis. Hence the equation of the line will be expressed as x = c where c is the x intercept;

<em>From the graph, the x intercept =9. Hence the equation of the given line is x = 9</em>

7 0
3 years ago
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