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Crazy boy [7]
3 years ago
14

Help me out ? it would help alot

Mathematics
2 answers:
Dafna1 [17]3 years ago
8 0
The method that is not correct is brandon's method.
Elis [28]3 years ago
3 0
Brandon's method is wrong. Let's think of the sqrt of 9. It is 3. but 9/2 is not 3, it is 4.5, which is not the sqrt of 9.
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What is 9 plus ten if you get it right you have to put your snap below
Ymorist [56]
21 hehehehehhehehehehehe
5 0
3 years ago
The number of <img src="https://tex.z-dn.net/?f=x" id="TexFormula1" title="x" alt="x" align="absmiddle" class="latex-formula"> s
Alex777 [14]

Answer:

D. 4

Step-by-step explanation:

Without actually solving the equation, recall that for a=|b|, there are two cases:

\begin{cases}a=b, \\a=-b\end{cases}

In the given equation |x-2|^{10x^2-1}=|x-2|^{3x}, there are two pairs of absolute value symbols.

Since each has two cases, there must be a total of 2\cdot 2=\boxed{4} different equations created.

All four cases are:

\begin{cases}(x-2)^{10x^2-1}=(x-2)^{3x},\\(-x+2)^{10x^2-1}=(x-2)^{3x},\\(x-2)^{10x^2-1}=(-x+2)^{3x},\\(-x+2)^{10x^2-1}=(-x+2)^{3x}\end{cases}

Exponents differ, hence clearly there are four possible solutions to this equation.

You can solve for all four values of x by taking the log of both sides and using a bit of algebra to verify you have four solutions.

5 0
3 years ago
How to determine if possible if(
prohojiy [21]
The rest of the question??
8 0
3 years ago
Graph the circle from the standard form (x + 4)² + (y + 2)2 = 25.<br>​
Yuki888 [10]

Answer:

(x)2+(y)2=625

Step-by-step explanation:

4 0
3 years ago
Calculate the area of the following shape. full answer/explanation please
DerKrebs [107]
To find the area of this entire shape, we must divide it into two rectangles.

The first rectangle is on the bottom of the shape, with a length of 8 cm and a width of 3 cm.

The second rectangle is on the top of the shape. The length is (8-5) cm and the height is (7-3) cm.

To find the area of the total shape, we must add the areas of the two rectangles. To find the area of the rectangle, we use the formula, A = l * w.

8 * 3 = 24 cm^2
3 * 4 = 12 cm^2

24 sq cm + 12 sq cm = 36 square centimeters.

Therefore, the area is 36 square centimeters. Hope this helps! :)
7 0
3 years ago
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