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3 years ago

14

Ted can rope a calf in 15 and 30 hundredths of a second randy can rope in his calf in 15 and 5 tenths of a second who was faster

?
1. ted
2. randy

1 answer:

Alisiya [41]3 years ago

3 0

Ted was faster by .2 seconds.

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Mole Conversion:<br> What is the mass of 3.13 x 1023 molecules of carbon dioxide?

4vir4ik [10]

Answer:

The mass of 3.13*10²³ molecules of carbon dioxide is 22.88 g.

Step-by-step explanation:

Avogadro's Number or Avogadro's Constant is the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023*10²³ particles per mole and it applies to any substance.

Then you can apply the following rule of three: if 6.023*10²³ molecules are present in 1 mole, 3.13*10²³ molecules are present in how many moles?

$moles=\frac{3.13*10^{23}molecules*1 mole }{6.023*10^{23}molecules}$

moles= 0.52

Since the molar mass of carbon dioxide is 44 g / mole, then the following rule of three can be applied: if there are 44 g in 1 mole, how much mass is there in 0.52 moles?

$mass=\frac{0.52 moles*44 g}{1 mole}$

mass= 22.88 g

<u><em>The mass of 3.13*10²³ molecules of carbon dioxide is 22.88 g.</em></u>

8 0

3 years ago

Rewrite the expression in terms of the first power of the cosine: cos^4xtan^2x

N76 [4]

Here's how to rewrite cos^4x tan^2x in the first power of cosine.
See the attached image.

First step, find the trigonometric identity of tan^2x.
Then simply everything until you only get cos x.
Remove all the exponents. Simplify.

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3 years ago

For each of the sequences below, enter either diverges if the sequence diverges, or the limit of the sequence if the sequence co

Tanzania [10]

Answer:

As n tends to positive infinity, we have that,

A. 5/n + n/5 ---- converges

B. 5^-n. -----------converges

C. Sin n/5n------ converges

D. 5n + 5/n ------diverges

Step-by-step explanation:

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4 years ago

Dange measures and finds that she can do a vertical jump of 27.5% of her height. If Dange is 48 inches tall, how high can she ju

sveta [45]

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{27.5\% of 48}}{\left( \cfrac{27.5}{100} \right)48}\implies 13.2$

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4 years ago

Friends have a party. Joyce invited 17 friends to a dinner party at her house last Friday

OLEGan [10]

Answer:

15

Step-by-step explanation:

Joyce reserved number 1 for herself

Of all the possible combinations,

1 and 15 is a perfect match for a perfect square

So,Joyce dinner partner was number 15.

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2 years ago