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Elenna [48]
3 years ago
6

At Store 1 I can buy 36 oz of baby formula for $26.62, and at Store 2 I can buy 28 oz of baby formula for $22.42. Which one is a

better buy and by how much? A) Store 1 by $0.74 an ounce. B) Store 2 by $0.06 an ounce. C) Store 2 by $0.80 an ounce. D) Store 1 by $0.06 an ounce.
Mathematics
2 answers:
Vinvika [58]3 years ago
3 0
D, Store 1. $26.62/38 = 0.74
Store 2. $22.42/28 = 0.80
Aleksandr-060686 [28]3 years ago
3 0

you were wrong, so I got it wrong...


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Arnie’s car used 100 cups of gasoline during a drive he paid 3.12 per gallon for gas how much did the gas cost
patriot [66]

Answer:

$19.50

Step-by-step explanation:

First, we find the number of gallons in 100 cups.

1 gallon = 16 cups

100 cups * (1 gallon)/(16 cups) = 6.25 gallons

100 cups is the same as 6.25 gallons.

Now we multiply the number of gallons by the cost per gallon.

6.25 gallons * 3.12 $/gallon = $19.50


4 0
3 years ago
Find (a) the range and (b) the standard deviation of the data set 40,35.45,55,60. Round to the nearest hundredth if necessary.
zmey [24]

Answer:

(a) 25

(b) 9.27

Step-by-step explanation:

Step 1

We have to rearrange the given days set from least to highest

35, 40, 45, 55, 60

(a) the range

Range = The highest number - The least number

= 60 - 35

= 25

(b) the standard deviation of the data set

35, 40, 45, 55, 60.

We find the Mean

Mean = Sum of values/Number of values

= 35+40+45+55+60/5

= 235/5

= 47

We can find the standard deviation now.

The formula =

√(x - Mean)²/n

= √(35 - 47)²+ (40 + 47)² + (45 - 47)² + (55 - 47)² + (60 - 47)²/5

= √144 + 49 + 4 + 64 +169/5

= √430/5

= √86

= 9.273618495

Approximately = 9.27

5 0
2 years ago
What is true about the sum of the two polynomials?
const2013 [10]

Answer:

f'(x) = -f(x) = 9xy² - 6x²y + 5x³

Step-by-step explanation:

f(x) = –9xy² + 6x²y – 5x³

additive inverse: f'(x) = -f(x) = 9xy² - 6x²y + 5x³

f(x) + f'(x) = f(x) -f(x) = (–9xy² + 6x²y – 5x³) + (9xy² - 6x²y + 5x³) = 0

8 0
3 years ago
Solve the inequality -5(x-7)<15 algebraically for x.
Serggg [28]
X > 4
Hope this helps
6 0
3 years ago
Read 2 more answers
Which of the following ordered pairs make this equation true? Y = 2x - 7 A. (1,9) B. (-3, 4) C. (4,1) D. (-1, 5)​
gregori [183]

Answer:

(4,1)

Step-by-step explanation:

Using substitution you can determine that 2*4-7 is in fact equal to 1

3 0
2 years ago
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