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topjm [15]
3 years ago
5

Jason bought n candy bars. Write an expression to show the total cost of the candy bars if each candy bar cost $5.

Mathematics
2 answers:
Eva8 [605]3 years ago
6 0

Answer:

total cost of the candy bars = 5 x n

Step-by-step explanation:

Lady bird [3.3K]3 years ago
4 0

Answer:

5n

Step-by-step explanation:

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3 years ago
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tino4ka555 [31]

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Find the sum of the series given in sigma notation.
Kryger [21]

Answer:

Option b is correct 175

Step-by-step explanation:

n = 7

k = 6

3k -2 ------1

put k = 6 in above eq. for finding first term

  a1 = 3(6) - 2  = 18 - 2 = 16

put k = 7 in above eq. for finding first term

 a2 = 3(7) - 2 = 21 - 2 = 19

 a3 = 3 (8) - 2 = 24 - 2 = 22

16, 19 , 22, ...  //Arithmetic series formation

a1 = 16 , a2 = 19

d = a2 - a1 = 19 - 16 = 3 //Difference of first two terms

Using sum forumula for arithmetic series

sum = \frac{n}{2}(2a1 + (n-1)d)

      = \frac{7}{2}(2a1 + (7-1)d)

      = \frac{7}{2}(2(16) + (6)3)

      =  \frac{7}{2}(32 + 18)    

      =  \frac{7}{2}(50)

      = 7 * 25

      = 175




4 0
3 years ago
in the function n=p(m) ??? is all the possible values of m, and the ??? is all the possibl3 values of n.​
swat32

Answer:

Range....Domain

Step-by-step explanation:

A P E X

8 0
3 years ago
In an experiment to study the effect of temperature (x) on the yield of a chemical reaction (y), 30 experimental runs were condu
dimulka [17.4K]

Answer:

=5

Step-by-step explanation:

Given that an experimenter is studying the effects of temperture, pressure, and type of catalyst on yield from a certain chemical reaction. Three different temperatures, four different pressures, and five different catalysts are under consideration.

a) Experimental runs possible if use of single temperature, pressure and catalyst is there = no of temperatures x no of pressures x no of catalysts

= b) Here pressure and temperature have no choice as lowest is selected.

no of methods = no of catalysts x 1 x1

= 5

8 0
4 years ago
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