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vagabundo [1.1K]
2 years ago
7

Which are two possible reasons for the change within the frog population?

Mathematics
1 answer:
marishachu [46]2 years ago
7 0

The given sequence;–3.2, 4.8, –7.2, 10.8, is a geometric progression common ratio of -1.5.

<h3>What is a geometric series?</h3>

When all the terms of a geometric sequence are added, then that expression is called geometric series.

The given sequence ;

–3.2, 4.8, –7.2, 10.8, …

The common ratio

= -4.8/ 3.2

= - 1.5

The terms having a common ratio of -1.5 best describe the relationship between the successive terms in the sequence of the terms.

Learn more about geometric sequence here:

brainly.com/question/2735005

#SPJ1

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Ms.peters said that 5/8 of her dance students prefer ballet. What percebt is equivalent to 5/8
TiliK225 [7]

62.5% is equivalent to 5/8.

<u><em>Explanation</em></u>

For converting any fraction into percentage, we just need to multiply the given fraction by 100.

So, \frac{5}{8}*100 = \frac{500}{8}= \frac{125}{2}= 62.5

So, 62.5% is equivalent to 5/8.

3 0
3 years ago
Read 2 more answers
How much money should be deposited today in an account that earns 7% compounded semiannually so that it will accumulate to $11,0
Alona [7]

Answer:

$8950.37

Step-by-step explanation:

Use the compound amount formula A = P(1 + r/n)^(nt), in which P is the initial amount of money (the principal), r is the interest rate as a decimal fraction, n is the number of times per year that interest is compounded, and t is the number of years.

Here we have A = $11,000, n = 2, r = 0.07 and t = 3, and so:

$11,000 = P(1 + 0.07/2)^(2*3), or

$11,000 = P (1.035)^6

                                           $11,000        $11,000

Solving for P, we get P = ---------------- = ------------- = $8950.37

                                            1.035^6          1.229

Depositing $8950.37 with terms as follows will result in an accumulation of $11,000 after 3 years.

7 0
3 years ago
How many ribbons 2/3 yard long can be cut from 3 1/2 of ribbon?<br> help
mart [117]
5 and 1/4 can be cut from the ribbon

Divide 3 1/2 and 2/3
3 0
1 year ago
two trains leave stations 210 miles apart at the same time and travel tword each other. one train at 85 miles per hour while the
hodyreva [135]

recall your d = rt, distance = rate * time.


let's say we have two trains, A and B, A is going at 85 mph and B at 65 mph.


they are 210 miles apart and moving toward each other, at some point they will meet, when that happens, the faster train A has covered say d miles, and the slower B has covered then the slack from 210 and d, namely 210 - d.


When both trains meet, A has covered more miles than B because A is faster, however the time both have been moving, is the same, say t hours.


\bf \begin{array}{lcccl} &\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\ \cline{2-4}&\\ \textit{Train A}&d&85&t\\ \textit{Train B}&210-d&65&t \end{array}\\\\ \dotfill\\\\ \begin{cases} \boxed{d}=85t\\ 210-d=65t\\[-0.5em] \hrulefill\\ 210-\boxed{85t}=65t \end{cases} \\\\\\ 210=150t\implies \cfrac{210}{150}=t\implies \cfrac{7}{5}=t\implies \stackrel{\textit{one hour and 24 minutes}}{1\frac{2}{5}=t}

3 0
3 years ago
Solve the system of equations by graphing.
k0ka [10]
Hope this helps lozzzzzzs

3 0
3 years ago
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