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nlexa [21]
2 years ago
7

Rewrite the following without an exponent. (9/5^-2)​

Mathematics
1 answer:
zvonat [6]2 years ago
6 0

Answer:

225

Step-by-step explanation:

5^-2 can be rewritten as 1/25.

Then we can divide 1/25 by 9. 9/(1/25)= 225

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Help me please. 30 points :)
Nataly [62]

\frac{(5 \:  -  \: 8x)}{( \sqrt{5 \:  -  \: 8x} )}  \:  =  \:  \sqrt{5 \:  -  \: 8x}
For the result to be Real,
5 \:  -  \: 8x \:  \geqslant  \: 0
8x \:  \leqslant  \: 5
x \:  \leqslant  \:  \frac{5}{8}
( \frac{(5 - 8x)}{( \sqrt{5 - 8x} )} ) \:  \times  \:  (\frac{ \sqrt{5 - 8x} }{ \sqrt{5 - 8x} } ) \:  =  \:  \frac{ {(5 \:  -  \: 8x)}^{ \frac{3}{2} } }{(5 \:  -  \: 8x)}
Hence,
\frac{{(5 \:  -  \: 8x)}^{ \frac{3}{2} } }{(5 \:  -  \: 8x)}
is the required form.

3 0
3 years ago
Samantha grossed $3200 and $704 of that goes to taxes. If the following paycheck noted $572 in taxes, what was the gross value?
zhuklara [117]

Answer:

the gross value is for 17 a hour

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the value of a.B.find the value of the marked angles
Bond [772]

Answer:

a. 18 b. 119°, 118°

Step-by-step explanation:

a. Given angles are vertical, so they are equal.

6a+11 = 2a+83

6a-2a = 83-11

4a = 72

a = 72/4

a = 18

b. Substituting the value of a in the given angles,

6a+11 = 6*18+11 = 108+11 = 119°

2a+83 = 2*18+83 = 36+83 = 118°

8 0
3 years ago
Kelsey drew a rectangle with the same area as the square. The length of Kelsey's rectangle is 8 inches. What is the perimeter in
Nutka1998 [239]

Answer:  The answer is 20 inches.


Step-by-step explanation:  As given in the question and shown in the attached figure, Keyley drew the rectangle 'R' and square 'S' with equal areas.

Also, the length of Keyley's rectangle 'R' = 8 inches. Let the breadth be 'b' inches. Again, let 'l' be the length of a side of square 'S'.

Then, we must have

8\times b=\ell^2.

Now, the only possible value of b is 2, so that

\ell^2=16\\\\\Rightarrow \ell=4.

Thus, the breadth of 'R' is b = 2 inches and side of 'S' = 4 inches.

Therefore, perimeter of Keyley's rectangle 'R' is given by

p=8+2+8+2=20~\textup{inches}.

Thus, the answer is 20 inches.


6 0
3 years ago
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Ok at this triangle.<br> B<br> 11 cm<br> 4 cm<br> A<br> C<br> workout length AC.
Naddik [55]

Answer:

<c =90 ° So, Pythagoras theorem can be used, Hypotenuse ² = base ² + altitude ²AB²=AC²+BC²11²=AC²+4²11²-4²=AC²121-16=AC²Root 105=ACAC=10.2 cm

Step-by-step explanation:

Mark me brainliest!!

8 0
2 years ago
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