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astra-53 [7]
3 years ago
13

HELP NOW PLEASEEEEEEEEEEEE ANSWER NEEDS TO B POSITIVE

Mathematics
2 answers:
alisha [4.7K]3 years ago
8 0

Answer:

1

Step-by-step explanation:

So first we do (x^5)^2 which we know is just x^10 because of exponents of powers I believe it's called, basically you just multiply the two powers.

Then you do the bottom half which is x^3 * x^7 and that equals x^10 because of the product of exponent rule,

Then we do x^10/x^10 which = 1 because the same number over the same number is always 1.

Let me know if you have any questions

boyakko [2]3 years ago
3 0

Answer:

Solving the expression: \frac{(x^5)^2}{(x^7)(x^3)} the answer is 1

Step-by-step explanation:

We need to solve the expression: \frac{(x^5)^2}{(x^7)(x^3)}

We know that exponent rule: (a^m)^n=a^{m*n}

Applying this rule in numerator

\frac{(x^5)^2}{(x^7)(x^3)}\\=\frac{(x^{5*2})}{(x^7)(x^3)}\\=\frac{(x^{10})}{(x^7)(x^3)}

We know the exponent rule: (a^m).(a^n)=a^{m+n}

=\frac{(x^{10})}{x^{7+3}}\\=\frac{(x^{10})}{x^{10}}

Now, using the exponent rule: \frac{a^m}{a^n}=a^{m-n}

=x^{10-10}\\=x^0

We know that a^0=1

So, x^0=1

Solving the expression: \frac{(x^5)^2}{(x^7)(x^3)} the answer is 1

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answer these BOTH. PLEASE! if u answer both correctly i'll give u brainliest and extra points please please please.
Reil [10]

<u>Answer:</u>

9. x = 12

10. x = 31

<u>Step-by-step explanation:</u>

9. Corresponding angles are equal, so technically you can move that (7x - 20) to be diagonal with the (4x + 16). Along with the corresponding angle, diagonal angles are equal to each other. Therefore you can set (7x - 20) equal to (4x + 16) to find x.

7x - 20 = 4x + 16

Solve

3x - 20 = 16

3x = 36

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Therefore x is equal to 12

<u>Check:</u>

4(12) + 16

= 64

7(12) - 20

= 64

10. All angles in a triangle have to add up to 180 degrees. Therefore, you can write your equation like this:

x + 2x + 25 + 2x = 180

Combine like terms

5x + 25 = 180

Solve

5x = 155

x = 31

Therefore, x = 31.

<u>Check:</u>

31 + 2(31) + 25 + 2(31) = 180

31 + 62 + 25 + 62 = 180

180 = 180

<em>I hope this helps!!</em>

<em>- Kay :)</em>

<em />

8 0
3 years ago
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Clare earned a total of $12 for 2 hours of yard work. How many hours in all will it take Clare
Luba_88 [7]

Answer:

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Step-by-step explanation:

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Find using appropriate Properties:<br> 6/7 x -2/3 + 3/5 + 5/8 x -6/7
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The simplified form of the expression is given as 83x/56 -(97/105)

<h3>Finding the value of unknown variables</h3>

Alphabets are usually represented as unknown variables in a equation or expression.

Given the following expression shown below

6/7 x -2/3 + 3/5 + 5/8 x -6/7

Collect the like terms to have;

6/7 x+ 5/8 x  -2/3 + 3/5 -6/7

Simplify

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The final expression will be given as;

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Hence the simplified form of the expression is given as 83x/56 -(97/105)

Learn more on expression simplification here: brainly.com/question/723406

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2 years ago
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const2013 [10]

Answer:

x = 2

Step-by-step explanation:

Similar triangles are triangles which have the same shape but not the same size. This means their angle measures are equal but their side lengths are not instead they are proportional. To solve, we will set up a proportion and solve.

A proportion is two equal ratios set equal to each other. We form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). Out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

\frac{little}{big} =\frac{little}{big}.

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