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Monica [59]
3 years ago
6

Which operation, when performed on two polynomials, always results in a polynomial? Select all that apply.

Mathematics
1 answer:
Xelga [282]3 years ago
8 0

Answer:

B. Division

You cannot add anything when you divide, so it would remain a polynomial.

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What is the value of (3/10)3
Elenna [48]

Answer:

\frac{9}{10}

Step-by-step explanation:

In this question, one is asked to multiply a fraction by a whole number, first model the question.

\frac{3}{10}(3)

In a situation like this, one multiplies the whole number by the numerator (number) over the fraction.

\frac{3*3}{10}

Simplify,

\frac{9}{10}

A common error that people make is that they will multiply both the numerator and denominator by the whole number, this is the same as multiplying the answer by (1), thus it is incorrect.

6 0
2 years ago
Population Growth The population of a town of 5000
Nesterboy [21]

Answer:

a) A=5000{(1.03)}^{t}

b) 5464 inhabitants.

Step-by-step explanation:

The formula used for compound interest becomes very helpful in this case.

A=P{(1+r)}^{t}\\\\When:\\A = Final Value\\P = Initial Value\\r = Rate of Change (Decimal)\\t = Time (Years)

Knowing this, we can easily calculate the value for any year, counting from the original 5000.

From this formula, we can derive a specific one that will serve for any value of <em>t</em>.

a)

A=5000{(1+0.03)}^{t}\\A=5000{(1.03)}^{t}

b) Apply the formula:

A=5000{(1.03)}^{3}\\A=5000(1.092727)\\A=5463.635=5464

The town will have 5464 inhabitants.

5 0
3 years ago
Find the expected value of the winnings from a game that has the following payout probability distribution: Skip Payout ($) 1 2
Nezavi [6.7K]

Answer:

$4.35

Step-by-step explanation:

The expected value of a random variable <em>X</em>, often denoted as E(<em>X</em>), indicates the probability-weighted average of all possible values/events. The general formula of expected value is

\mathrm{E(\textit X \mathrm)} = \displaystyle\sum_{\mathclap{i=1}}^{k} \ X \times P(X) \\ \\ \\ = X_{1} \times P(X_{1}) \ + \ X_{2} \times P(X_{2}) \ + \ X_{3} \times P(X_{3}) + \ \cdots \ + X_{k} \times P(X_{k}).

Therefore, the expected value of the winnings from a game is

\mathrm{E(\textit X \mathrm)} \ = \ 1 \times 0.35 \ + \ 2 \times 0.2 \ + \ 5 \times 0.1 + \ 8 \times 0.2 \ + 10 \times 0.15 \\ \\ = \ 4.35 \ \ (\mathrm{nearest \ hundredth}).

4 0
2 years ago
PLS HELP :) Choose the yearly rainfall averages in scientific notation. Location Amount of Rainfall Scientific Notation, in mete
ArbitrLikvidat [17]
Needles→
1.173 \times 10 ^{ - 1}
Mt....
1.14 \times 10
Puako
2.56 \times 10
Death Valley
5.7 \times 10
Mojave
1.60 \times 10 ^{2}

Hilo
4.80 \times 10  ^{2}
NB: values with 10 is to the first power.


8 0
3 years ago
Read 2 more answers
To collect data about the amont of time spent​
solniwko [45]

Answer:

Probably the first one because the other two questions would be un-reliable

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
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