Un acvariu are forma unui cub cu latura de 40 cm.Se toarna apa in acvariu pana la 3 patrimi din inaltime.Cati litri de apa s-au turnat

Answers

Answer 1
Answer:    
\displaystyle \n 1 ~\text{litru} = 1~ dm^3 \n \texttt{Din acest motiv, transformam cm in dm } \n \n l = 40~cm = 4~dm \n \n h = (3)/(4) * l = (3)/(4) * 4 = (3 * 4)/(4) = 3 ~dm \n \n V = l * l * h = 4 * 4 * 3 = 16 * 3 = 48~ dm^3 \n \n 1~ dm = 1~l \n \n \Longrightarrow ~~48!dm^3 = \boxed{ 48 ~\texttt {litri de apa s-au turnat} }


 

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Use any method to solve the equation.if necessary, round to the nearest hundredth. 8x^2-48=0
Jalen bought 24 juice packs for $7.20. Tia bought 6 juice packs for $2.70. Which statement describes the difference in the unit prices of Jalen's and Tia's juice packs

32.2 - (-15.9) + 10 - 15.9 + 7.8

Answers

32.2 - (-15.9) + 10 - 15.9 + 7.8= 50

Work

32.2 - (-15.9) = 48.1+10= 58.1
58.1 - 15.9= 42.2
42.2+7.8= 50
50.
just use a calculater

Which expression tepresents "the quotient of 10 and 2, plus 3"?

Answers

Quotient in Math usually stands for divided by or the division of.
(10÷2)+3

Hope this helps :)

Final answer:

The mathematical expression that represents 'the quotient of 10 and 2, plus 3' is (10 / 2) + 3. According to the order of operations, first 10 is divided by 2 to get 5. Then 5 is added to 3, equaling 8.

Explanation:

The asked expression in Mathematical terms is written as: (10 divided by 2) plus 3. To perform this operation, we first execute the division as per Order of Operations. 10 divided by 2 yields 5. We then add this value to 3 which gives us an answer of 8. Therefore, 'the quotient of 10 and 2, plus 3' translates into the mathematical expression: (10 / 2) + 3 = 8.

The expression that represents the quotient of 10 and 2, plus 3, is (10 ÷ 2) + 3.

First, we divide 10 by 2, which gives us 5. Then, we add 3 to the quotient, resulting in a final answer of 8.

So, the expression is (10 ÷ 2) + 3 = 8.

Learn more about Quotient of Operations here:

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A rectangle has length 3 1/4 feet and width 1 1/3 feet

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_
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60 out of 300 Cds are classical music. what percent are of the cds are classical music cds

Answers

Reduce them.
60/10=6
300/10=30
30/6=1/5!
1/5 of 100 is 20.
20% of those CD's are Classical Music.

60 paintings. T= Painting from 20th century. B= British painting. A painting is chosen random.it is from the 20 century. Work out the probability it is British

Answers

The probability will be "0.20".

According to the question,

  • The sum of all the areas = 60

then,

  • x(x-2)+x+(2x+8)+10=60
  • x=6

Therefore,

P (British | It's \ from \ the \ 20^(th) \ century) = (n(B \ and \ T))/(n(T))

                                                                 = (x)/(x+x(x-2))

                                                                 = (6)/(6+6(6-2))

                                                                 = (1)/(5)

                                                                 = 0.20

Thus the answer above is right.                                                  

Learn more:

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Final answer:

This question is about computing the conditional probability that a painting selected at random is British, given it's from the 20th century. Without specific numbers, the tentative solution is the ratio of the number of British 20th-century paintings to the total number of 20th-century paintings.

Explanation:

The subject here is Probability, a topic within Mathematics. Let us assume without losses in generality that 'T' represents a painting from the 20th century and 'B' represents a British painting. Given 60 paintings, we're selecting one at random. The condition is it's a 20th-century painting ('T') and we need to find the probability that it's also a British painting ('B'). The data given in the question isn't clear enough to give a numerical answer. However, we can give a general solution.

Firstly, we find the number of paintings which are both from 20th century and British. Let's say this number is n. The number of 20th-century paintings would be more than or equal to n. Let's call this N. Therefore, the required probability would be n/N.

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Find the answer to the nearest tenth. The length of the base of a triangle is 3 times the length of its altitude. Find the length of the base if the area of the triangle is 54 m^2.

Answers

area=1/2bh h=altitude b=legnth of base b is 3 times h b=3h divide by 3 b/3=h area=1/2bh subsitute b/3 for h 54=1/2(b)(b/3) multiply bothsides by 2/1 108=b(b/3) 108=(b^2)/3 multipy both sides by 3 324=b^2 square root boh sides 18=b legnth of base=18