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nataly862011 [7]
3 years ago
12

Am I right or wrong ? If I'm wrong what's the answer .

Mathematics
1 answer:
tatuchka [14]3 years ago
5 0
I think it would be to measure the volume of solids ...
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What quantities are equivalent to 250 meters
Vsevolod [243]

Hello there,

Okay, well you have asked what quantities are equivalent to 250 meters well 250 meters would be...

  • 25000 centimeters
  • 0.25 kilometers
  • 820.20 feet

Hope I helped,

Amna

6 0
3 years ago
If an object is dropped from a height of 96ft, the function h(t) = -62 + 96 gives the height of the object after t seconds. When
Shalnov [3]

Answer:

Step-by-step explanation:Since we want to know how much time elapsed since the object was launched until it ht the ground. At the ground, the height is 0.

 

Therefore the equation  h(t) = 80t – 16t2 becomes 0= 80t – 16t2

 

Solving the equation for t gives  80t =16t2 or 16t=80 or t=5sec

 

The object hits the ground 5 seconds after it is launched.

7 0
3 years ago
A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year:
Kaylis [27]

Answer:

A.

mean = 724.2

Median = 715

Mode = 768

B.

Range = 85

Standard deviation = 29.30

C.

Interval = [665.6, 782.8]

Step-by-step explanation:

Number of samples n = 25

Summation X= 769 + 691 + 699 +730+711+ 765+ 702 718 +719 +712+ 768 +688 +757+695 768 +735 +709 +758 +708+ 693 +736 700+ 687 +772 +715 = 18105

A.

1. Mean = 18105/25

= 724.2

2. Median is the middle value when arranged from the least value to the highest = 715

3. Mode is the number with the highest frequency = 768 (occured two times)

B.

1. Range = highest value - lowest value

Highest value = 772

Lowest value = 687

772-687 = 85

2. Standard deviation = √(X-barX)²/n-1

= √20604/25-1

=√858.5

= 29.30

Please check attachment for the full calculation of the standard deviation

C.

Interval

[Mean - 2(sd), mean + 2(sd)]

= [724.2-2x29.3, 724.2+2x29.3]

=[665.6, 782.8]

4 0
2 years ago
A triangle has side lengths 32 cm, 32 cm, and 50 cm.
Bogdan [553]

Answer:

Isosceles

Step-by-step explanation:

An isosceles has 2 equal sides, equilateral triangle has has all equal sides and the scalene has no equal sides

6 0
3 years ago
Read 2 more answers
Lilian has 42 feet of yarn. She wants to cut the yarn into 8 equal parts. How long will each part be?
GrogVix [38]

Answer:

A. Five and two eighths feet.

Step-by-step explanation:

42 (feet of yarn) ÷ 8 (equal parts) = 5.25 (feet of yarn that each part is)

5.25 =

5 \frac{1}{4}

or

5 \frac{2}{8}

because 1/4 = 2/8.

Hope this helps!

3 0
3 years ago
Read 2 more answers
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