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jonny [76]
2 years ago
9

What is the median for 11, 3, 8, 2, 9, 1, 4​

Mathematics
1 answer:
klasskru [66]2 years ago
3 0
The median would equal to 4 and I hope you do good :)
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New streetlights will be installed along a section of the highway. The posts for the streetlights will be 7.5 m tall and made of
SIZIF [17.4K]
First, we determine the volumes of the posts may it be cylindrical in shape or rectangular prism. 

(A) cylindrical:
                         ( π(26.7/100)² - π(24.2/100)²)*(7.5) = 0.3 m³
(B) rectangular prism:
                          (40/100)²(7.5) - (35/100)²(7.5) = 0.28125 m³

Then, we calculate for the amount of substance
 (A) cylindrical:   (0.3 m³)(2700 kg/m³) = 810 kg
 (B) rectangular prism : (0.28125 m³)(2700 kg/m³) = 759.375 kg

Then, calculate for the costs
 (A) (810 kg)($0.38/kg) = $307.8
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Thus, the answer for A is rectangular post 
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6 0
3 years ago
This is Q2:5 Weekly Math Review
mezya [45]

Answer:

28.50+x or 28.50x

Step-by-step explanation:

6*4.75=28.50

6*x=6x or x

7 0
3 years ago
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Two airplanes left the same airport and arrived at the same destination at the same time. The first airplane left at 8:00 a.m. a
ddd [48]

The formula for distance is equal to:

d = v * t

where d is distance, v is velocity or speed, and t is time

 

Since the distance travelled by the two airplane is similar, therefore we can create the initial equation:

 

v1 * t1 = v2 * t2

 

We know that v1 = 496, and v2 = 558 so:

 

496 t1 = 558 t2

or

x = 558 t2 / 496

 

We also know that airplane 1 travelled 30 minutes (0.5 hours) earlier than airplane 2, therefore:

 

x = t2 + 0.5

 

Hence,

496 (t2 + 0.5) = 558 t2

496 t2 + 248 = 558 t2

t2 = 4 hours

 

x = t2 + 0.5 = 4 + 0.5

x = 4.5 hours

 

 

So the equation is:

x = 558 t2 / 496

 

And the first plane travelled:

x = 4.5 hours

5 0
3 years ago
HELP PLS ASAP
Ainat [17]

Answer:

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7 0
3 years ago
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What is the difference of the fractions? Use the number line to help find the answer. One-half minus 1 and one-fifth A number li
ANEK [815]

Answer:

<h3>Negative StartFraction 7 over 10 EndFraction </h3>

Step-by-step explanation:

Given the expression \frac{1}{2} - 1\frac{1}{5}, we are to find the difference

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1\frac{1}{5} = \frac{6}{5}

The expression becomes;

\frac{1}{2} - \frac{6}{5}

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\frac{5-6}{10}

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\frac{5-12}{10}\\\\\frac{-7}{10}

Hence the correct option is C i.e Negative StartFraction 7 over 10 EndFraction

3 0
3 years ago
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