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Alex777 [14]
3 years ago
12

Which inequality is correct?

Mathematics
2 answers:
ololo11 [35]3 years ago
6 0

Answer:

The answer is #4

Step-by-step explanation:

Since he must buy 7 packs of chewing gum you multiply that to the price of chewing gum which is 0.75 cents.

The price of the juice bottle is 1,25 however the variable b represents the number of bottles bought.

The cost of the gum and Bottles of juice must be under 22 dollars therefore the inequality is less than or equal to 22 Dollars.

Nostrana [21]3 years ago
3 0

Answer:

i think c

Step-by-step explanation:

im very sorry if im wrong, but im pretty sure the answer is c

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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)

5 0
3 years ago
I need help with this question The orange and blue lines represent different linear functions. Write the color of the line that
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Answer:

blue

Step-by-step explanation:

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\frac{-2}{x+1}

Step-by-step explanation:

x^3-2x+3-\frac{2}{x+1}

also if ur brainly staff and seeing this

plz remove/delete my account asap tysm

5 0
3 years ago
Please help with all 3
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Answer:

1, volume=23×9×5

=1035

2, volume=(1/2×5×4)×20

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3.

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Triangle ABC has these side measurements: AB = 17 BC = 18 AC = 21 Order the angles of the triangle from largest measure to small
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