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3 years ago

8

Factor completely 5ab(x + 6) − 4(x + 6).

1 answer:

konstantin123 [22]3 years ago

4 0

It seems like you've begun to apply the grouping method.

Because the two binomials in the parentheses are the same, we can rewrite this as

(5ab-4)(x+6)

(x+6) cannot be further factored. (5ab-4) cannot be further factored either.

Final answer: (5ab-4)(x+6)

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Suppose the consumption of electricity grows at 9.5% per year, compounded continuously. Find the number of years before the use

nasty-shy [4]

3 years if rounded by nearest hundredths

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3 years ago

Enter the coordinates of the vertex of the function f(x) = x2 + 4x - 7

elixir [45]

Given the equation of the function:

$f(x)=x^2+4x-7$

The given function represents a parabola

We will make a complete square to find the coordinates of the vertex

The coefficient of x = 4

Half the coefficient of x = 2

Square it give = 4

So, we will add and subtract 4

$\begin{gathered} f(x)=x^2+4x+4-4-7 \\ f(x)=(x^2+4x+4)-11 \\ f(x)=(x+2)^2-11 \end{gathered}$

Compare the last equation with the vertex form of the parabola

$f(x)=(x-h)^2+k$

So, h = -2, k = -11

So, the answer will be the coordinates of the vertex = (-2, -11)

6 0

1 year ago

10. A band Martha likes just released a new album. A digital music service is selling the 12-song album for $9.96. The service a

Gnom [1K]

The 9 songs selling for 0.99 each are 0.11
The 3 songs selling for 1.29 each are 0.43

6x0.11=0.66 + 1.29= 1.95 in total

7 0

3 years ago

Read 2 more answers

2/3÷4/5 equals what ?

natka813 [3]

5/6 is the answer. :)

3 0

3 years ago

there are 8 pieces of fruit in a basket including 4 apples what is the probability that a randomly selected piece of fruit will

Helen [10]

Answer:

$\frac{1}{2}$ is the probability for picking fruits and it will be apple.

Explanation:

probability of picking apple: $\boxed{\frac{total -apples}{total-fruits} }$ → $\frac{4}{8}$ → $\frac{1}{2}$

7 0

3 years ago