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Contact [7]
3 years ago
10

Lena has 32 pens. 3/4 of the pens are blue. How many blue pens does Lena have?

Mathematics
2 answers:
melomori [17]3 years ago
8 0

Answer:

<u><em>24 pens are blue</em></u>

Step-by-step explanation:

32 pens in total and 3/4 of it are blue.

32 ÷ 4 = 8

8 × 3 = 24

<u><em>24</em></u> of the 32 pens are blue pens

almond37 [142]3 years ago
4 0

Answer:

Lena has 24 blue pens!

Step-by-step explanation:

In this type of problem, you simply have to multiply 3/4 by 32. And you will get the correct answer:

1). 3/4 * 32 = 24

Hope this Helps))) ^‿^

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Help me please...... I dknt understand math I’m du.mb
Marysya12 [62]

Answer:

281/100

the mixed number would be 2 81/100

Step-by-step explanation:

Times 2.81 by 100

Hope it helps :)

5 0
3 years ago
Read 2 more answers
The mean of the following frequency distribution is 25.2. Find the missing frequency x.
sattari [20]

Answer:

Solution:-

Frequency Distribution     Frequency     Mid values     F*M

0 - 10                                    8                     5                40

10 - 20                                  x                    15               15x

20 - 30                                 10                   25               250

30 - 40                                 11                   35               385

40 - 50                                  9                    45               405

_____________________________________________________

                                         Σf = 38+x                      Σfm = 1080+15x

______________________________________________________

Given Mean = 25.2

Mean = Σfm/Σf

25.2 = 1080+15x/38+x

25.2 × (38+x) = 1080+15x

957.6+25.2x = 1080+15x

25.2x - 15x = 1080 - 957.6

10.2x = 122.4

x = 122.4/10.2

x = 12

Missing frequency = 12  Answer

4 0
3 years ago
Write the equation of a circle in standard form with center ( -2,4) and radius 6. Show your work.
grigory [225]

Answer:

( x + 2 )² + ( y - 4 )² = 36

Step-by-step explanation:

Standard equation of a circle - ( x - h )² + ( y - k )² = r²

where r = radius and center is at ( h , k )

The given center is ( -2 , 4 )

Thus h = -2 and k = 4

and the given radius is 6

Thus, r = 6

that being said, we plug in the given values into the standard equation

( x - ( - 2 )² + ( y - 4 )² = 6²

Finally we simplify

In - ( -2 ) the two negative signs cancel out and it turns into + 2

6² = 36

The final equation of the circle is ( x + 2 )² + ( y - 4 )² = 36

8 0
2 years ago
The sum of two numbers is 61 and the difference is 17 . what are the numbers?
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The two numbers are 39 and 22
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Question 9 answer is 0.375
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