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Mnenie [13.5K]
3 years ago
14

Sully and genesis purchase two matinee movie tickets. A matinee ticket costs $6.50, a drink costs $5.50, and a bag of popcorn co

sts $6.00. define each variable and write an algebraic expression to describe how much they spend on the number of drinks and bags of popcorn they buy. identify the parts of the expression by underlining the coefficient(s) and circling the constant(s), and drawing abox around the variable(s)
Mathematics
1 answer:
lora16 [44]3 years ago
6 0
Let the number of matinee tickets they bought be t, the number of drinks bought be d and the number of popcorn bags bought be p, then the amount the spend on the number of drinks and bags of popcorn they bought is given by 5.5d+6p+2(6.5)=5.5d+6p+13.

The coefficients in the expression are 5.5 and 6 while the constant is 13 and the variables are d and p.
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125 thousandths = 1 tenth and ______ thousandths..... HELP
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Since decimals go tenths, hundredths, thousandths......
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Solve 5.3×0.5 and show work
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3 years ago
HELP IM IN CLASS AND I NEED IT DONE TODAY!
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Answer:

<h2><u><em>at x = 3      D = .1086</em></u></h2><h2><u><em /></u></h2><h2><u><em>at x = 4      D =  .0869</em></u></h2><h2><u><em /></u></h2><h2><u><em>at x = 5      D = .0724</em></u></h2>

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2 years ago
Boxes of raisins are labled as containing 22 ounces. Following are the weights, in the ounces, of a sample of 12 boxes. It is re
kati45 [8]

Answer:

The 99 % confidence interval on the basis of mean is ( 21.7393  ;   22.0257)

Step-by-step explanation:

Mean = Sum of observations / Number of observations

Mean = 21.88 +21.76 +22.14 +21.63+ 21.81 +22.12+ 21.97+ 21.57+ 21.75+ 21.96 +22.20 +21.80/ 12

Mean =x`= 262.59/12=  21.8825

Standard Deviation = s= ∑x²/n - ( ∑x/n)²

∑x²/n= 478.7344 +473.4976 + 490.1796+467.8569+ 475.6761 + 489.2944+ 482.6809+ 465.2649+ 473.0625+ 482.2416 +492.84 + 475.24/ 12

∑x²/n= 5746.5689/12= 478.8807 = 478.881

Standard Deviation = s= ∑x²/n - ( ∑x/n)²

s= 478.881- (21.8825)²= 478.881-478.843= 0.037

The confidence limit 99% for the mean will be determined by

x` ± α(100-1) √s/n

Putting the values in the above equation

= 21.8825 ± 2.58 √0.037/12

Solving the square root

= 21.8825 ± 2.58 (0.05549)

Multiplying the square root with 2.58

=21.8825 ± 0.1432

Adding and subtracting would give

21.7393  ;   22.0257,

Hence the 99 % confidence interval on the basis of mean is ( 21.7393  ;   22.0257)

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3 years ago
Read 2 more answers
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