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vaieri [72.5K]
2 years ago
8

Which of the scatter plots below shows the most accurate line of best fit?

Mathematics
1 answer:
Marina86 [1]2 years ago
3 0
I think its letter b
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At the movie theatre, child admission is $6.30 and adult admission is $9.90 . On Monday, 159 tickets were sold for a total sales
frez [133]
C = child tickets
a = adult tickets

Solve this with the substitution method.
Make two equations:

6.30c + 9.90a = 1,246.50
c + a = 159

Solve for c.
Subtract 9.90a from both sides.

6.30c = 1,246.50 - 9.90a
Divide both sides by 6.30.

c = 197.86 - <span>1.57a (rounded to hundredths)
Plug c into second equation.

</span>197.86 - 1.57a + a = 159
Combine like terms.

197.86 - 0.57a = 159
Subtract 197.86 from both sides.

-0.57a = -38.86
Divide both sides by -0.57.

a = <span>68.18
round up to ones: 68

</span>\boxed {68~adult~tickets} were sold.<span>
</span>
8 0
3 years ago
A student has some $1 and $5 bills in his wallet. he has a total of 15 bills that are worth $51. How much of each type of bill d
snow_tiger [21]

Answer:

# of 5 dollar bills: 9

# of 1 dollar bills: 6

Step-by-step explanation:

9•5 = 45

1•6 = 6

To Check: 45 + 6=51

6 0
2 years ago
Read 2 more answers
Which of the following is a radius of circle B?<br> BN<br> MD<br> NH
azamat
The correct answer is BN.
3 0
3 years ago
Find the area of a rectangle that has a length of 5x+1 and a width of 2x+3
pantera1 [17]
I could be wrong, but I'm pretty sure here the answer would be 10x^2 + 17x +3 would be the area since you have to multiply length and width. since these are expressions with no answers and no other numbers, we can't find x.

5 0
2 years ago
How many ways can five people, a,b,c,d, and e, sit in a row at a movie theater if c must sit to the right of but not necessarily
hichkok12 [17]
A,b,c,d,e
a,b,d,c,e 
a,b,d,e,c
b,a,d,e,c
b,d,a,e,c
b,d,e,a,c

7 0
2 years ago
Read 2 more answers
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