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LenaWriter [7]
2 years ago
6

I need 5 6 and 8 thank you

Mathematics
1 answer:
Jet001 [13]2 years ago
4 0
Yooooooooooowwwwwwwwwwssawwww
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Suppose that a local trout population exhibits exponential growth by doubling every 4 years. Considering that the initial popula
antoniya [11.8K]
Okay, so this is just a basic multiplication problem. first, we need to divide to figure out how much the trout population grows after 1 year. If it doubles in 4 years, then it will rise by a quarter each single year. So to put that in terms of fractions, then for every year, the equation would be 250x1/4. So then we do the equation, coming up with 62.5. This means that the population rises roughly 63 fish a year. So after 1 year, you will have roughly 313 fish. (312.5 to be exact). Then to get that by ten years, we can just multiply the number that we got for one year by ten. 62.5x10=625. So then we add the 250 original trout, and 250+625=875. So after 10 years, there will be 875 trout.
8 0
2 years ago
What simple interest rate is needed for $1000 to grow to $1071.25 in 9 months?
BlackZzzverrR [31]

Answer:

9.5%

Step-by-step explanation:

Use the formula I = Prt

I is the interest (unknown), P is the principal (1000), rate is the percent (unknown), and t is time in years (9/12).

9 months is a fraction of a year. There are 12 months in a year, so our fraction is 9/12. You can reduce this fraction by dividing by 3. The fraction reduced is 3/4. You can also use the decimal which is .75.

First we need to solve how much interest we earned. 1071.25 is the balance, so we need to subtract the principal from the balance.

1071.25 - 1000 = 71.25

Plug the numbers in to the formula. We are solving for r.

71.25 = 1000(.75)r

71.25 = 750r

71.25/750 = 750r/750

r = 0.095

Convert the decimal to a percent by moving the decimal two places right.

0.095 = 9.5%

3 0
2 years ago
Read 2 more answers
Pls helppppp and explain how to answer
34kurt
Well, the place is charging him 115/hr
and he's booked it for 6hrs

how much is going to be his cost? well \bf \cfrac{115}{hr}\cdot 6hr\implies 690

now, there will be 14 teams playing, so... if we divide 690 evenly among the 14 teams, that means each team will need to pay 690/14 about 49.28571 or 49 bucks and 29 cents about

now, if each team pays that much, they'll cover 690, so Dylan has his cost covered, however, for a profit, a profit is surplus, so, in order to make surplus income, or profit, he'll need to charge "more than" 49.29
or he needs to charge "x", whilst    x > 49.29
3 0
2 years ago
Determine the value of x in the triangle shown below.
dolphi86 [110]

Answer:

X= 16

Step-by-step explanation:

Add 85 and 63 together to get 148.

180 divided by 148 gives you 32.

32 divided by 2 gives you 16.

Just work backwards.

5 0
2 years ago
1.8 divided 2 = ___ please do this ASAP I’m being timed!
nexus9112 [7]

Answer:

<h2>0.9</h2>

Step-by-step explanation:

Plz mark as brainliest

4 0
2 years ago
Read 2 more answers
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