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zaharov [31]
2 years ago
15

Find the product. (-3ab2)3 -27 a3b6 -9 a3b5 -23 a2b2 27 ab

Mathematics
1 answer:
7nadin3 [17]2 years ago
6 0

Answer:

a) -27 a³ b⁶

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given ( -3 ab² )³

By using  (ab )ⁿ = aⁿ bⁿ      

   ( -3 ab² )³ = (-3)³ a³ (b²)³

Again , using formula   (a^{m} )^{n} = a^{mn}

                    =   -27 a³ b⁶

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Can someone help me​
sashaice [31]

Answer:

16.25

Step-by-step explanation:

6.5 + 5 = 32.5/2 = 16.25

8 0
3 years ago
If 8 cakes cost $62.40, how much would 3 cakes cost?
Ilya [14]

Answer:

<h2><em><u>$23.40 </u></em></h2>

Step-by-step explanation:

<em><u>Given,</u></em>

Cost price of 8 cakes = $62.40

<em><u>So,</u></em>

Cost price of 1 cake = $ \frac{62.40}{8}

<em><u>Therefore,</u></em>

Cost price of 3 cakes

= $(\frac{62.40}{8} × 3)

  • <em>[On dividing 62.40 by 8]</em>

= $(7.80 × 3)

  • <em>[On multiplying]</em>

= $23.40

<em><u>Hence,</u></em>

<em><u>The required cost of 3 cakes is $23.40 (Ans)</u></em>

3 0
2 years ago
Read 2 more answers
Jada can bake 12 cookies in 30 minutes. A this rate, how long will it take her to bake 144 cookies?
Elodia [21]
6 hours

Working;
If 12 cookies take 30 minutes,
Then one cookie takes \frac{30}{12}

144 cookies would take <span>\frac{30}{12} * 144
=360 minutes or 6 hours</span>
3 0
3 years ago
Which pair is made up of prime numbers 11 &amp; 33 , 42 &amp; 56 , 37 &amp; 67, 57 &amp; 97
Cerrena [4.2K]

Answer:

37 & 67

Step-by-step explanation:

11 & 33

  • 11 - 1, 11
  • 11 is prime
  • 33 - 1, 3, 11, 33
  • 33 is composite number
  • 11 & 33 is incorrect

42 & 56

  • 42 - 1, 2, 3, 6, 7, 14, 21, 42
  • 56 - 1, 2, 4, 7, 8, 14, 28, 56
  • Both 42 and 56 are composite numbers
  • 42 & 56 is incorrect

37 & 67

  • 37 - 1, 37
  • 67 - 1, 67
  • Both 37 and 67 are prime numbers
  • 37 & 56 is correct

57 & 97

  • 57 - 1, 3, 19, 57
  • 97 - 1, 97
  • 57 is a composite number, 97 is a prime number
  • 57 & 97 is incorrect
3 0
3 years ago
Find the parabola of the form y = ax2 + b which best fits the points (1, 0), (3, 2), (4, 4) by minimizing the sum of squares, s,
DiKsa [7]
<span>S= (a+b)^2+(4a+b-2)^2+(9a+b-4)^2 98a+14b-44=0 14a+3b-6=0 a=24/49, b=-2/7 y = (24/49)x^2-(2/7)</span>
8 0
2 years ago
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