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Virty [35]
3 years ago
8

Rachel is baking a cake but does not know if she wants to bake a round or a square cake. which cake has a larger area a round 8

inch cake or a 9 inch cake? how much larger is it?
Mathematics
1 answer:
leva [86]3 years ago
5 0
The nine inch cake, by an inch.
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Jerry is saving his money. He started with $15.00. If he adds $10.00 to his savings
posledela

Answer:

$40

Step-by-step explanation:

use y = mx + b  

y = amount saved = ?

m = amount saved per week = $10

x = time (in  months) saving = 2.5

b = money jerry started with = $15

plug in:

y = (10)(2.5)+15

y = $40

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A police officer investigating an accident finds a skid mark 115 feet long approximately how fast was the car traveling when the
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Peaches are being sold for $2 per pound.The customer created a model to represent the total cost of peaches bought. If x represe
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Step-by-step explanation:

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Matt claims that 1/3 can indicate a point on a number line as well as distance. Is he correct? Explain.
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3 years ago
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In 2007, there were more than 8.14 million cars for sale. Over the next 3 years, the number of cars decreased by 23%. Write an e
Nina [5.8K]

Answer:

c = 8.14 million×(0.9166)^t

4.83 million  

Step-by-step explanation:

Data:

  t = y - 2007

c₀ = 8.14 million

c₃  = 23 % less than c₁

Part 1. Calculate c₃

c₃ = c₀(1 - 0.23) = 0.77c₀

Part 2. Calculate r

      c₃ = c₀r^t

0.77c₀ = c₀r³

   0.77 = r³              Divided each side by c₀

         r = 0.9166     Took the cube root of each side

The explicit decay model is c = 8.14 million×(0.9166)^t

Part 3. Prediction

t = 2013 - 2007 = 6

c = c₀r^t = 8.14 million×(0.9166)⁶ = 8.14 million × 0.5929 = 4.83 million

The model predicts that there will be 4.83 million cars for sale in 2013.

7 0
3 years ago
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