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Reil [10]
4 years ago
11

What is 3/4 of 2/5=

Mathematics
1 answer:
noname [10]4 years ago
5 0
\frac{3}{4}\ of\ \frac{2}{5}=\frac{3}{4}\times\frac{2}{5}=\frac{3\times2}{4\times5}=\frac{3\times\not2^1}{\not4_2\times5}=\frac{3\times1}{2\times5}=\boxed{\frac{3}{10}=0.3}
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Given klmn is a trapezoid, kl = mn, m<1 = m<2, lm/kn = 8/9, pklmn = 132. Find: the length of the legs
Ilia_Sergeevich [38]

Answer:

The length of legs lm, mn, and lk is 32 while that of kn is 36.

Step-by-step explanation:

The diagram is attached in the answer.

As both the angles are equal thus the two forms isosceles triangles. This is true because the converse of base angle theorem is applicable here. The theorem clearly states that when a trapezoid is divided by the diagonal, it forms two set of angles where m<1=m<2 and m<lmk=m<nmk

This leads the two set of legs such as

\dfrac{lm}{kn}=\dfrac{8}{9}

Or this could be written as

lm=8x\\kn=9x

Now the remaining two sides are given as

lk=lm as this form an isosceles triangle so

lk=8x

Similarly

mn=lm\\

Or

mn=8x

Now the perimeter is given as

\text{perimeter}=lm+mn+kn+lk\\

Here perimeter is given as 132 so this gives:

\text{perimeter}=lm+mn+kn+lk\\132=8x+8x+8x+9x\\132=33x\\x=\dfrac{132}{33}\\x=4

So the four legs are of length as given below:

lm=8x=8\times 4=32\\mn=8x=8\times 4=32\\lk=8x=8\times 4=32\\kn=9x=9\times4=36

So the length of legs lm, mn, and lk is 32 while that of kn is 36.

6 0
3 years ago
‏‏‎ ‎ ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎
pashok25 [27]

Answer:

uhhh wheres the question

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
MARK AS BRAINLEST
Ierofanga [76]

Answer:

Option C 3n^{2}+n-2

Step-by-step explanation:

<u><em>Verify each expression</em></u>

case A) we have

5n^{2}+6n-1

In this expression the term of n is 6n

so

has a coefficient of positive 6

case B) we have

2n^{2}-5n+1

In this expression the term of n is -5n

so

has a coefficient of negative 5

case C) we have

3n^{2}+n-2

In this expression the term of n is n

so

has a coefficient of positive 1

case D) we have

4n^{2}-n+9

In this expression the term of n is -n

so

has a coefficient of negative 1

6 0
4 years ago
Quick question a lot of points help please
dybincka [34]

the right answer to the question is catch me on the root mean square velocity of gas molecule when measured by galvanometer to produce circular egg in the presence of light under blanket.

5 0
3 years ago
A camel can drink 25 gallons of water in 10 minutes. How many cups of water can the camel drink in 10 minutes?
Alecsey [184]

Question:

A camel can drink 25 gallons of water in 10 minutes. How many cups of water can the camel drink in 10 minutes?​

Solution:

A)

1 cup = 0.25 quarts.

4 quarts= 1 gallon

Then, according to this information, we get the following table:

B)

Note that 4 quarts= 1 gallon, then 1 gallon is equivalent to 16 cups.

C)

Then, 25 gallons are equivalent to:

25\text{ gallons(}\frac{16\text{ cups}}{1\text{ gallon}}\text{)}=\text{ 400 cups}

D. According to the above information, we obtain that 25 gallons of water are 400 cups .

So that, we can conclude that the correct answer is:

The camel can drink 400 cups of water in 10 minutes

8 0
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