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xenn [34]
3 years ago
12

5. In a class of 18 students, 2/3 of them speak two languages. How many speak two languages?

Mathematics
1 answer:
Alona [7]3 years ago
4 0

Answer: 12

Step-by-step explanation:

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HELP ME!!! 4- 5/8 =?
BlackZzzverrR [31]

Answer:

27/8

Step-by-step explanation:

1.) 4-5/8

Convert element to fraction

2.) 4 x 8/8-5/8

3.) 4 x 8-5/8

4.) 27/8

7 0
2 years ago
Need help please !!!
irina1246 [14]

sin^2 x + 4 sinx +3       3 + sinx

--------------------------  =  -------------------

cos^2 x                        1 - sinx


factor the numerator


(sinx +3) (sinx+1)       3 + sinx

--------------------------  =  -------------------

cos^2 x                        1 - sinx


cos^2 = 1-sin^2x

(sinx +3) (sinx+1)       3 + sinx

--------------------------  =  -------------------

1- sin^2x                       1 - sinx

factor the denominator

(sinx +3) (sinx+1)       3 + sinx

--------------------------  =  -------------------

(1-sinx ) (1+sinx)                   1 - sinx

cancel the common term (1+sinx)  and (sinx +1)

(sinx +3)                       3 + sinx

--------------------------  =  -------------------

(1-sinx )                           1 - sinx


reorder the first term

3+sinx                           3 + sinx

--------------------------  =  -------------------

(1-sinx )                           1 - sinx

3 0
3 years ago
Help me solve this pls i make u a brainliest if it correct
jarptica [38.1K]

Answer:

10 5/6

Step-by-step explanation:

8 0
3 years ago
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At Supply World, 4 pens cost $10.00. How much do 3 pens cost if the price per pen is the same?
Romashka-Z-Leto [24]

Answer:

$7.50

Step-by-step explanation:

3 0
3 years ago
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Find the median of the following set of numbers:<br> 3,12,4,6,8,5,4
natulia [17]

Answer:

el 5

Step-by-step explanation:

La mediana es el número intermedio de un grupo de números; es decir, la mitad de los números

Primero se acomodan de menor a mayor y luego ubicaras  el número que queda en medio

6 0
3 years ago
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