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djyliett [7]
2 years ago
12

Simplify this exponential expression: (-49) 2/5

Mathematics
1 answer:
ioda2 years ago
4 0

Answer:

I think it is 12 4/5

Step-by-step explanation:

hope this helps if not let me now

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Emma says the GCF of 16 and 12 is 48. Her friend Grace says the answer is 4. Who is right?
Lesechka [4]
Grace is right because what Emma said was not a factor of 16 and 12.
4 0
3 years ago
Find the vertex and zeros of the following function f(x)=x^2-6x-7
elena-s [515]

Try this solution:

Step-by-step explanation:

1) for zeros of the function: x²-6x-7=0; ⇒ x₁=7; x₂= -1.

2) for the vertex of the function: x₀= -b/2a, where a;b;c - numbers from ax²+bx+c=0 (from x²-6x-7=0).

x₀=6/2=3;

y₀= (4ac-b²)/4a; ⇒ y₀= -16.

It means, the coordinates of the vertex are (3;-16).

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4 0
3 years ago
(1) Solve the equation by factoring out a GCF (greatest common factor). * 2 points
kramer

Answer:

Step-by-step explanation:

1)  x - 21x  = 5

x   = x * 1

21x = x * 21

GCF = x

x - 21x = 5

x*(1 -21) = 5

x * (-20) = 5

-20x = 5

x =5/-20

x = -1/4

2) 6n² = 6 * n * n

30n   = 6 * 5 * n

GCF = 6*n = 6n

6n² + 30n = 0

6n*(n + 5 ) = 0

6n = 0      or n + 5 = 0

n = 0             n = -5

n = 0 or -5

3 0
3 years ago
A computer company purchased 14.7 tons of Aluminum in 2015. In 2016 they purchased 5% more than what they purchased in 2015. In
EleoNora [17]

Answer:

i don't get it

Step-by-step explanation:

5 0
3 years ago
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