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Lorico [155]
3 years ago
6

Resuelve el problema aplicando las estrategias de solución de problemas.

Mathematics
1 answer:
Stells [14]3 years ago
6 0

ddhrsjfhffhhrry7tt5566

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Two farmers each have triangular plots of land in the diagram below with approximate values shown for lengths in feet
Ray Of Light [21]

Answer:

  • a) Plots are similar
  • b) x= 5577 feet

Step-by-step explanation:

<em>Refer to attached</em>

<h3>Question</h3>
  • a) Are the plots of land similar?  
  • b) Find to the exact value of x and rounded to the nearest tenth?
<h3>Solution</h3>

The small triangle have missing angle of 180° - (52° + 58°) = 70°

This is indicating both triangles have same 3 angle measures.

Since all angles are same, the triangles are similar.

<u>Corresponding sides, against corresponding angles are:</u>

  • 6180 and 8240
  • x and 7436

<u>As per property of similarity, the ratio of corresponding sides is same</u>

  • 6180/8240 = x/7436
  • x = 6180*7436/8240
  • x = 5577 feet

4 0
3 years ago
Here are the prices of five new pairs of hockey skates, in dollars: 59, 60, 65, 99, 175. The standard deviation is about $49. If
Phoenix [80]

Answer:

The standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

Step-by-step explanation:

The prices are given to be : 59, 60, 65, 99, 175

Standard deviation = $49

Now, if we add or subtract any constant value to each of the terms then the standard deviation remains unchanged.

But, we add a new price in the given data that is $450

\text{New standard deviation = }\sqrt{\frac{\sum (\bar{x}-x_i)^2}{n}}\\\\\bar{x}\text{ is the mean of data after adding 450 and}\\x_i\text{ are the price values of the sample data}

Hence, Standard deviation is calculated to be 139.5

Therefore, the standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

6 0
3 years ago
Read 2 more answers
What is the momentum of 200kg portable if it travels 50 meters in 5seconds
kvasek [131]
Momentum  = mass * velocity

50 meters in 5 seconds = 50/5  = 10 m / second

Required momentum  = 200*10  = 2,000 

I cant remember how to write the units for this.
5 0
3 years ago
What is 42 inches to 9 feet is a fraction in simplest form
hodyreva [135]
9 times 12 is 108. so 42/108=21/54
4 0
3 years ago
Lisa gets paid $8 an hour for babysitting. She usually earns $60 to $70 each weekend, but last weekend she only earned $32. Whic
Harrizon [31]
C. Lisa's lower pay was caused by babysitting for fewer hours
5 0
3 years ago
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