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Step2247 [10]
2 years ago
12

The diagonal length of a rectangular swimming pool can be represented by 10 times the square root of 5. Which expression represe

nts this length?

Mathematics
1 answer:
Helga [31]2 years ago
5 0

Answer:

C

Step-by-step explanation:

the third option correctly shows 10 times the square root of 5 (10\sqrt{5})

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A vehicle travels 250 feet every three seconds find the value of the ratio, the unit rate, and the constant proportionality. How
lidiya [134]

Answer:

The ratio, the unit rate and the constant of proportionality are same but with different name.

Step-by-step explanation:

A vehicle travels 250 feet every three seconds.

(i) So, the ratio is \frac{250}{3}  feet/seconds.

(ii) The unit rate means the rate of change of distance with respect to unit time,

The vehicle in three seconds moves by 250 feet.

Hence, the vehicle in one second will move by \frac{250}{3} feet.

Therefore, the unit rate is \frac{250}{3} feet/seconds.

(iii) The relation between the distance traveled (d) and the time of travel (T) is proportional.

So, D ∝ T, ⇒ D = kT ......... (1) {Where, k is the constant of proportionality}

Since D = 250 feet at T = 3 seconds

So, from equation (1), k = \frac{D}{T} = \frac{250}{3}  feet/seconds.

Therefore, from the above explanation it is clear that the ratio, the unit rate and the constant of proportionality are same but with different name. (Answer)

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3 years ago
(b) Find the area of triangle BCD. ​
Akimi4 [234]

Answer:

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What is the difference between a parameter and a statistic? A parameter is an aspect of an individual subject or object being me
Aliun [14]

Answer:

A parameter is a numerical measurement describing data from a population. A statistic is a numerical measurement describing data from a sample

Step-by-step explanation:

In statistics we have to deal with populations and samples to carry out our studies. A population is a large group under consideration and the elements or members of the population have some common features or attributes. For example, all the school going kids in a certain town will be considered a population. Sample on the other hand is a subset(a part) of the population. For example, all school going kids in the town aged 5-6 years will be considered a sample.

The term Parameter and Statistic are very similar as they represent some numeric description. Parameter represents the data of the entire population, while statistic represents that data of a sample. An easy way to remember this is to match the initials i.e. Parameter for Population and Statistic for Sample.

Considering this, we can say the correct answer is:

A parameter is a numerical measurement describing data from a population. A statistic is a numerical measurement describing data from a sample

5 0
3 years ago
Please can someone solve some questions on similar triangles ASAP. ​
Maru [420]

Answer:

post the question i can do it

Step-by-step explanation:

7 0
2 years ago
Tom, Mary and Bill are aged 10,12 and 15 years respectively. They share 259 euros in the same ratio as their ages. Find how much
tigry1 [53]

Answer:

70 , 84 , 105

Step-by-step explanation:

sum their ages , 10 + 12 + 15 = 37

divide the amount by this sum to find the value of one part of the ratio.

259 ÷ 37 = 7 ← value of 1 part of the ratio , then

10 parts = 10 × 7 = 70 euros ← Tom's share

12 parts = 12 × 7 = 84 euros ← Mary's share

15 parts = 15 × 7 = 105 euros ← Bill's share

7 0
2 years ago
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