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Dmitry_Shevchenko [17]
3 years ago
6

Amaya used these steps to solve the equation 8x+4 = 9+4(2x-1). Which choice describes the meaning of her result, 4 = 5?

Mathematics
1 answer:
Nesterboy [21]3 years ago
7 0

Answer:

Read the step-by-step explanation.

Step-by-step explanation:

8x+4=9+8x-4

Cancel out the 8x's: 4=9-4

Therefore, 4=5, which is not a valid solution.

I'm sure you were supposed to have a file/image along with this, but that's the process to get 4=5.

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Given: F(x) = 2x - 1; G(x) = 3x + 2; H(x) = x 2 Find F[G(x)] - F(x). 4x + 4 4x + 2 4x
Allushta [10]

Answer:

4x + 4

Step-by-step explanation:

F(x) = 2x - 1

G(x) = 3x + 2

H(x) = x²

We have to calculate the expression F(G(x)) - F(x)

F(G(x)) means the composition of functions F(x) and G(x). In order to find F(G(x)) we have to replace ever occurrence of x in F(x) with the value of G(x). So,

F(G(x)) = 2(3x+2) - 1 = 6x + 4 - 1 = 6x + 3

Thus,

F(G(x)) - F(x) = 6x + 3 - (2x - 1)

= 6x + 3 -2x + 1

= 4x + 4

Therefore, the expression F(G(x)) - F(x) equals 4x + 4

4 0
3 years ago
Multiply each pair of numbers -4.25x(-1.25)=
hoa [83]
The answer is 5.31245
7 0
2 years ago
Select the list that correctly includes all of the coefficients from the problem
matrenka [14]

Answer:

( B.) 6, 1, -2 , -4

Step-by-step explanation:

A coefficient is a number multiplied by a variable. So, in this case let's take a look at the problem.

-2+6y+m-2y+8-4m

Now we have to find the numbers that have a variable next to it

which are 6,m,-2, and -4

(If you are wondering that why m is a coefficient its because it is also known as 1m)

Final answer = 6, 1, -2 , -4

Hope this helps!

7 0
2 years ago
How am I supposed to figure this out if csc Theta(0) has a radical number on the top?
Harman [31]
\bf csc(\theta)=\cfrac{hypotenuse}{opposite}\implies csc(\theta)=\cfrac{\sqrt{7}}{2}\cfrac{\leftarrow hypotenuse=c}{\leftarrow opposite=b}\\\\
-----------------------------\\\\
\textit{so hmm using the pythagorean theorem, we can say that}\\\\
c^2=a^2+b^2\implies \pm \sqrt{c^2-b^2}=a\qquad 
\begin{cases}
c=hypotenuse\\
b=opposite\\
a=adjacent
\end{cases}\\\\
\textit{we'll assume is the + of the root, since you're not}\\
\textit{given further info on it, that means the I quadrant}\\\\


\bf -----------------------------\\\\
cos(\theta)=\cfrac{a}{c}\qquad sec(\theta)=\cfrac{c}{a}\qquad tan(\theta)=\cfrac{b}{a}\qquad cot(\theta)\cfrac{a}{b}


so just find the "adjacent" side, using the pythagorean theorem, and even though the square root can give you +/-, use the positive one, assuming the angle is in the 1st quadrant

keeping in mind, that the 2nd quadrant is feasible as well, since the opposite side of +2 can also be in the 2nd quadrant

but anyhow, use the I quadrant

7 0
3 years ago
If Lucy runs 1 2/3 miles each day, how many miles will Lucy run in 2 days?
dezoksy [38]

Answer:

She will run 3 1/3 miles in 2 days

Step-by-step explanation:

1 2/3 + 1 2/3 = 2 4/3

= 3 1/3

3 0
2 years ago
Read 2 more answers
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