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1 year ago

Every property of a square is also a property of a rectangle. Is this true or false?

Mathematics

1 answer:

Naya [18.7K]1 year ago

7 0

Answer:

False, every property of a square is not a property of a rectangle. Most of the properties of a square are also a property of a rectangle. If you square root the area of a square, you will get the side length of that square. If you square root the area of a rectangle, assuming the 4 sides of the rectangle are different, you will not get any of the correct dimensions.

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Our solar system is approximately 27,000 light-years from the center of the Milky Way. Therefore, what is true when we observe t

aalyn [17]

Answer:

We are observing the galactic center as it was 27,000 years ago

Step-by-step explanation:

The Galactic Center, or Galactic Centre, is the rotational center of the Milky Way. It is 8,122 ± 31 parsecs (26,490 ± 100 ly) away from Earth in the direction of the constellations Sagittarius, Ophiuchus, and Scorpius where the Milky Way appears brightest. It coincides with the compact radio source Sagittarius A*

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2 years ago

K + 9 = 17 What does k value? k=8 k=9 k=17 k=26

belka [17]

Answer:

Step-by-step explanation:

k + 9 = 17

subtract 9 from both sides:

k = 8

6 0

2 years ago

Read 2 more answers

Nella sells televsions. She earns a fixed amount for each televison and an additional $25 if the buyer gets an extennded warenty

Korolek [52]

Answer:

Step-by-step explanation:

I did 17 X 25 to find out how much she earned JUST from the warranty, which is 425. Subtract that from $1530 and get $1105. Divide that by 17 and get 65.

8 0

2 years ago

A group of students formed a circle during a game. The circumference of the circle was about 43.96 feet, and the diameter of the

lara31 [8.8K]

Answer:

pi = pi

Step-by-step explanation:

Circumference = 2 * pi * r

Equation you need:

43.96 = 2 * pi * 7

43.96 = 2 * 7 * pi

43.96 / 14 = pi

pi = 3.14

5 0

2 years ago

The General Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours

DerKrebs [107]

Answer:

Yes, we can conclude that the population standard deviation of TV watching times for teenagers is less than 2.66

Step-by-step explanation:

H0 : σ² = 2.66²

H1 : σ² < 2.66²

X²c = (n - 1)*s² ÷ σ²

sample size, n = 40

Sample standard deviation, s = 1.9

X²c = ((40 - 1) * 1.9²) ÷ 2.66²

X²c = 140.79 ÷ 7.0756

X²c = 19.897

Using a confidence level of 95%

Degree of freedom, df = n - 1 ; df = 40 - 1 = 39

The critical value using the chi distribution table is 25.6954

Comparing the test statistic with the critical value :

19.897 < 25.6954

Test statistic < Critical value ; Reject the Null

Hence, we can conclude that the population standard deviation of TV watching times for teenagers is less than 2.66

8 0

2 years ago