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3 years ago

-25-1/2= answer choices a) -5 b) -1/5 c) no real number

Mathematics

2 answers:

suter [353]3 years ago

6 0

Answer:

C) no real number

Step-by-step explanation:

MakcuM [25]3 years ago

3 0

Answer:

The Correct answer is -1/5

Step-by-step explanation:

the equation above, is -1/5 when simplified. Other answers could be -0.2, -5-1

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What is the approximate value of x in the diagram below

irga5000 [103]

We use Tan in this case:

Tan=(opposite/adjacent)

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x=23/Tan(36)

x=31.64 length

Hope it helps!

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2 years ago

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inysia [295]

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3 years ago

Which expression is equivalent to ? Assume.

nikdorinn [45]

Answer:

2. $-2x^{8}y^{18}$

Step-by-step explanation:

We have been given an expression $\frac{10x^{6}y^{12}}{-5x^{-2}y^{-6}}$ and we are asked to find equivalent expression to our given expression.

Using fraction rule $\frac{a}{-b} =-\frac{a}{b}$ we can write our expression as: $-\frac{10x^{6}y^{12}}{5x^{-2}y^{-6}}$ .

Upon dividing 10 by 5 we will get,

$-\frac{2x^{6}y^{12}}{x^{-2}y^{-6}}$

Upon using exponent property for quotient $(\frac{a^{m}}{a^{n}} =a^{(m-n)})$ we will get,

$-\frac{2x^{6}y^{12}}{x^{-2}y^{-6}}=-2x^{(6--2)}y^{(12--6)}$

$-2x^{(6+2)}y^{(12+6)}$

$-2x^{8}y^{18}$

Therefore, our expression simplifies as $-2x^{8}y^{18}$ and 2nd option is the correct choice.

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4 years ago

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Julio signs a new lease for $800 and in the agreement the complex will raise his rent 3% each year that he renews. As of right n

madreJ [45]

Infinity, because there is no set amount of years the price can rise. The price and keep rising as long as he rents, and it's stated that he will not ever buy a house

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3 years ago

Which system is equivalent to 3x squared - 4y squared = 25 over -6x squared -2y squared = 11

TEA [102]

So we are given the following system:
$3x^2-4y^2=25\\
-6x^2-2y^2=11\\\text{Multiply the second equation by -2:}\\12x^2+4y^2=-22\\\text{Add to the first equation we get:}\\15x^2=3
\text{ therefore }x=\pm \sqrt{ \frac{1}{5} }$
Using the first equation again we get:
$3x^2-4y^2=25\\
3x^2=4y^2+25\\
x^2= \frac{1}{3}(4y^2+25)\\x^2= \frac{1}{3}(4 \frac{1}{5} +25)\\= \frac{43}{5}\\x=\pm \sqrt{ \frac{43}{5} }$

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3 years ago