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kakasveta [241]
3 years ago
15

Write an algebraic expression for a C -5

Mathematics
1 answer:
Ivenika [448]3 years ago
4 0
The answer is... Five less than C
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Which one would be a result in a repeating decimal 5/11 1/9 3/4 3/7
Basile [38]
I think it would be 5/11
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3 0
3 years ago
The fish population in a local lake is 10,000. The population increase by half every year. Which function represents the fish po
sweet-ann [11.9K]

Answer:

5. f(x) = 10,000 (1.5)^x

Step-by-step explanation:

We would have to multiply the original amount by 1.50^x because the initial amount would be 1, and 50% increase would be .5 so 1.5 and you raise it to the number of years to show the total increase.

Let's test it.

Initial:

10,000

After 1 year

10,000 + (.5*10000)

10,000 + 5000 = 15,000

After 2 years

15,000 + (.5*15000)

15,000 + 7500 = 22,500

Let's try our equation.

f(x) = 10,000 (1.5)^x

x = 2

10,000(1.5)^2

10,000(2.25) = 22,500

The same!

7 0
3 years ago
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Explain why the solution to 3r =2 must be less then 1.
saveliy_v [14]
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3 0
3 years ago
If y − 3 = 3x, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
alekssr [168]
{(3,0),(6,1),(9,2)} because
when you plug in the values you get 
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6-3=3(1)    =     3=3

9-3=3(2)   =     6=6

5 0
2 years ago
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an item that cost $50 is marked 20% off. Sales tax for the item is 8%. What is the final price including tax? Solve the problem
kramer

Answer:

  $43.20

Step-by-step explanation:

The price with tax is 100% + 8% = 1.08 times the price before tax. The discount multplies that price by 100% -20% = 0.80. The discount multiplier is the same whether the discount is applied before or after the tax.

The combined effect of the two multipliers is ...

... 1.08 × 0.80 = 0.864

so the discounted price with tax added is 0.864 × $50 = $43.20

_____

Perhaps you're supposed to figure the tax (8% of $50 = $4), add the tax ($50 +4 = $54), then subtract the discount (20% of $54 = $10.80) to get

  $54.00 -10.80 = $43.20

6 0
3 years ago
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