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Sunny_sXe [5.5K]
2 years ago
14

In one round of a board game, Chrissy scored 43 points. In the next round, she lost 103 points. How many points did Chrissy have

in total after two rounds?
Mathematics
1 answer:
koban [17]2 years ago
5 0
From my understanding she now has -60 points.
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Simplify the expression by using a double-angle formula or a half-angle formula. (a) cos2 θ 2 − sin2 θ 2
SCORPION-xisa [38]
If this is supposed to be
cos^{2}θ-sin^{2}θ
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During the mayoral election,two debates were held between the canidates. The first debate lasted 1 4/5 hours. The second one las
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Answer:

3\frac {6}{25} hrs \ or \ 3 hrs\  14 mins \ 24 sec

Step-by-step explanation:

The question calls requires one to get the product of the given time. Since first debate lasted for :

1\frac {4}{5} \ hrs

-and the second lasted

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\frac {9}{5}

-Now multiplying

\frac {9}{5}\times\frac{9}{5}\\\\=\frac{81}{25}=3\frac{6}{25}hrs

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3 years ago
How do I place 2/3 times 7 into a whole number?
lorasvet [3.4K]

Answer: round it up to 5

Step-by-step explanation:

2/3 time 7 = 14/3

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3 years ago
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How are adding, subtracting, dividing, and multiplying rational expressions are similar and different?
Arisa [49]

Rational expressions are multiplied and divided the same way numeric fractions are.

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The pollutant PCB (polychlorinated biphenyl) can affect the thickness of pelican eggshells. Thinking of the thickness, T, of the
gayaneshka [121]

Answer:

The expression f(200) depicts the value of the concentration of the pollutant, which when substituted in the expression T = f(P) will give the value of the thickness of the pelican eggs.

Step-by-step explanation:

Since we are given that T = f(P)

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Considering f(200) comparing to f(P)

The expression f(200) depicts the value of the concentration of the pollutant, which when substiuted in the expression T = f(P) will give the value of the thickness of the pelican eggs.

i.e substituted the value of the concentration in ppm to get the thickness of the pelican eggs in mm. since the expression shows thickness of pelican eggs as a function of the concentration. for every 200ppm of concentration, the numerical value of the thickness of pelican eggs can be gotten.

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3 years ago
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