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worty [1.4K]
4 years ago
15

Daniel bought a pokemon card at a store for $10. He sold the card for $20.

Mathematics
1 answer:
ss7ja [257]4 years ago
6 0

Answer:

Daniel gained 30 dollars.

Step-by-step explanation:

-10 + 20 = 10

10 - 30 = -20

-20 + 50 = 30

Hope this helps :)

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A torist walks 10.5 inches in 3 seconds. how far does it walk per second​
choli [55]

Divide distance by time:

10.5 inches / 3 seconds = 3.5 inches per second

Answer: 3.5 inches per second

3 0
2 years ago
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Derek found a function that approximately models the population of iguanas in a reptile garden, where x represents the number of
serious [3.7K]

Answer:

i(x)=12 \times (1+\frac{0.9}{12})^{12x} and growth rate factor is 0.075

Step-by-step explanation:

The function that models the population of iguanas in a reptile garden is given by i(x)=12 \times (1.9)^{x}, where x is the number of years.

Since, i(x)=12 \times (1.9)^{x}

i.e. i(x)=12 \times (1+0.9)^{x}.

Therefore, the monthly growth rate function becomes,

i.e. i(x)=12 \times (1+\frac{0.9}{12})^{x \times 12}.

i.e. i(x)=12 \times (1+\frac{0.9}{12})^{12x}.

Hence, the monthly growth rate is i.e. i(x)=12 \times (1+\frac{0.9}{12})^{12x}.

Also, the growth factor is given by \frac{0.9}{12} = 0.075.

Thus, the growth factor to nearest thousandth place is 0.075.

4 0
3 years ago
Mrs bottlenose is taking her 3 children to sea world. The tickets will cost her $100. If children are half price, how much is th
Westkost [7]

Answer:

50$

Step-by-step explanation:

i might be wrong but if there aren't any trick questions then i think that it should be 50$

hope this helps!

8 0
3 years ago
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When 80% of a number is added to the number, the result is 252. what is the number
Rashid [163]
I Think The Answer Is 140.

The Expression: 0.8x + x = 252 Can Explain The Answer If x = 140.
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3 0
3 years ago
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Answer:

FOr the first one you can do:

y= -x +4

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Step-by-step explanation:

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8 0
3 years ago
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