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alukav5142 [94]
3 years ago
10

Anyone know how to do BOTH of these? Thanks!

Mathematics
2 answers:
cricket20 [7]3 years ago
6 0
The answer to the top one is 243.
Nataly_w [17]3 years ago
4 0

Question 1:

We have to simplify the expression \frac{(3^{3} \times 3^{4})^{2}}{3^{3} \times 9^{3}}

=\frac{(3^{3})^{2} \times (3^{4})^{2}}{3^{3} \times (3^{2})^{3}}

(Using the law of exponent, (a^{m})^{n}=a^{m \times n})

=\frac{3^{6} \times 3^{8}}{3^{3} \times 3^{6}}

Cancelling 3^{6} from the numerator and denominator.

=\frac{3^{8}}{3^{3}}

(Using the law of exponent, \frac{a^{m}}{a^{n}}=a^{m-n})

=3^{8-3}

=3^{5}

= 243

Question 2:

The average mass of an adult human = 65 kg

The average mass of an ant = 4 \times 10^{-6} kg (Since the unit of average mass of ant is not mentioned, i have assumed it as kg)

Let the number of ants be 'n'.

According to the question,

Average mass of adult human = n \times Average mass of ant

65 kg = 4 \times 10^{-6} kg \times n

n=\frac{65}{4 \times 10^{-6}}

n=16.25 \times 10^{6}

n=1625 \times 10^{4}

So, 1625 \times 10^{4} ants are needed to equal the mass of one average human.

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10.9375

Step-by-step explanation:

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2 years ago
Which of the following is not a solution of 10 > x – 7y?
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D.
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3 years ago
What is the slope of the line that is parallel to the line shown?
ELEN [110]
Hey there! :D

All parallel lines have the same slope. They would need to, otherwise, they would intersect or come together at an angle eventually. 

So, let's find the slope. 

I'm going to use rise over run. (Remember, when moving to the left, you make the number negative. 

rise=1 run= -3

-1/3 <== the slope 

"C" is the correct answer. 

I hope this helps!
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4 0
3 years ago
The owner of a small store buys coats for 50.00​$ each. Answer parts a and b.sells the coats for ​$ each. he sells the coats for
alukav5142 [94]

Answer:

40% profit

140% markup

Step-by-step explanation:

I'm not sure if it's asking what is the markup, or how much you are making.

But profit

$20 out of 50 = 0.40

Markup

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6 0
3 years ago
According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise. The numbers for
Vaselesa [24]

Answer:

The mean of these statistic is 2.18.

Step-by-step explanation:

According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise.

The given data set is

2, 1, 2, 2, 1, 2, 2, 3, 3, 3, 3

Formula for mean:

Mean=\frac{\sum x}{n}

Using this formula, the mean of the data is

Mean=\frac{2+1+2+2+1+2+2+3+3+3+3}{11}

Mean=\frac{24}{11}

Mean=2.181818

Mean\approx 2.18

Therefore the mean of these statistic is 2.18.

3 0
3 years ago
Read 2 more answers
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