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drek231 [11]
3 years ago
6

Which expression are equivalent? Check all that apply. 3^9 3^4 -9^2 9^9 81^1

Mathematics
2 answers:
umka21 [38]3 years ago
6 0

Answer:

3^4 and 81^1

Step-by-step explanation:

3^9 = 19683

3^4 = 81

-9^2 = -81

9^9 = 387420489

81^1 = 81

Art [367]3 years ago
5 0

Answer:

3⁴ and 81¹

Step-by-step explanation:

3⁹ = 19,683

3⁴ = 81

-9² = -81

9⁹ = 387,420,489

81¹ = 81

Hope this helps! :)

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Find two consecutive even integers such that twice the smaller is 26 less than. 3 times the smaller
Hoochie [10]

Answer:

Two consecutive even integers are 32 and 34.

Step-by-step explanation:

Let the two consecutive even integers are x and x+2.

ATQ,

Twice the smaller is 26 less than. 3 times the smaller

2x = 3(x-2) -26

2x = 3x-6-26

2x = 3x -32

32 = 3x-2x

x = 32

Hence, the smaller number be 32 and larger number be x+2 = 32+2 = 34.

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3 years ago
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Answer:

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a music teacher has 4 drum kits. Each kit has 2 drumsticks. Each drumstick cost $3. How many drumsticks does she have? What is t
Serhud [2]

Answer: to replace all of the drumsticks it would cost $24


Step-by-step explanation:


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3 years ago
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What is an equation of the line that passes through the point (-6, -7) and is
Alexandra [31]

Answer:

Step-by-step explanation:

Product of slope of perpendicular lines = -1

6x + 5y = 30

Write this equation in y = mx + b  form

        5y = -6x + 30

          y = \frac{-6}{5}x+\frac{30}{5}

          y=\frac{-6}{5}x + 6

Slope of this line m₁ = -6/5

m₁ * m₂ = -1

      m₂ = -1÷m₁ = -1 * \frac{5}{-6}  

m_{2}=\frac{5}{6}     & (-6 , -7)

Equation of the required line: y - y₁ = m (x - x₁)

y - (-7) = \frac{5}{6}(x - [-6])\\\\y + 7 = \frac{5}{6}x + 6 *\frac{5}{6}\\\\y = \frac{5}{6}x +5-7\\\\y=\frac{5}{6}x-2

8 0
3 years ago
What is 5 + 2(3x + 4)+ x?
Sholpan [36]

Answer:

What is 5 + 2(3x + 4)+ x?

the answer is 7x + 13

Step-by-step explanation:

from the quwstion What is 5 + 2(3x + 4)+ x

we aproach the problem using BODMAS

we have;

5 + 6x + 8 + x

=7x + 13

4 0
3 years ago
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