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mafiozo [28]
3 years ago
5

Which expression is equivalent to this polynomial expression? (2x2-3y2)(4x4+6x2y2+9y4)

Mathematics
1 answer:
Lelechka [254]3 years ago
3 0

Answer:

8x^6-27y^6

Step-by-step explanation:

simplify the expression

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Kayla and he children went into a restaurant and she bought $63 worth of hotdogs and tacos. Each hotdog costs $3.50 and each tac
Diano4ka-milaya [45]

Answer:

Kayla bought 7 tacos and 10 hotdogs

Step-by-step explanation:

Let the number of hotdogs be x.

Let the number of tacos be y.

i) It is given that x = y + 3

ii) It is also given that 3.5x + 4y = 63, therefore 7x + 8y = 126

iii) substituting the value of x from i) in ii) we get 7(y + 3) + 8y = 126

   therefore 15y + 21 = 126

 therefore 15y = 105

  therefore y = 7

  Therfore Kayla bought 7 tacos

iv) Using the value of y from iii) in i) we x = 7 + 3 = 10

  Therefore Kayla bought 10 hotdogs

6 0
3 years ago
If x = 45, then<br> is between_<br> 4 and 5<br> 6 and 7<br> 22 and 23<br> 44 and 46
MrRa [10]
Im confused on what your trying to ask...
6 0
3 years ago
What is the correct answer?
vovikov84 [41]

Answer:

84 units2

Step-by-step explanation:

First, you multiply 24 *7 = 168

Second, you divide 168 / 2 = 84

Lastly, have a great day!

5 0
2 years ago
The nth term of a sequence is 3n + 2
gavmur [86]

Answer:

see explanation

Step-by-step explanation:

To calculate the first 3 terms substitute n = 1, 2, 3 into the n th term rule

a_{1} = (3 × 1) + 2 = 3 + 2 = 5

a_{2} = (3 × 2) + 2 = 6 + 2 = 8

a_{3} = (3 × 3) + 2 = 9 + 2 = 11

------------------------------------------------------------------

substitute n = 10 into the n th term rule

a_{10} = (3 × 10) + 2 = 30 + 2 = 32

3 0
3 years ago
Read 2 more answers
Please help 25 points
Romashka-Z-Leto [24]

Answer:

y ≤ -5

Step-by-step explanation:

6 0
3 years ago
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