4 years ago

How do you write (6)^-2 without exponents?

Mathematics

2 answers:

m_a_m_a [10]4 years ago

5 0

(6)^-2 Is equivalent to 1/36

AysviL [449]4 years ago

3 0

(6)^-2 Is the same and equal to 1/36

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Korvikt [17]

Answer:

we cant see the triangles

Step-by-step explanation:

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3 years ago

A student claims that 3x + 2y = 5xy. Use a visual representation to show whether this is true or false

Ket [755]

Answer:

It is true, except when x = 2/5, since it is an asymptote.

Step-by-step explanation:

3x=5xy-2y

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3 years ago

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3 years ago

One positive integer is 6 less than twice another. The sum of their squares is 801. Find the integers

xxTIMURxx [149]

Answer:

$\large \boxed{\sf 15 \ \ and \ \ 24 \ \ }$

Step-by-step explanation:

Hello,

We can write the following, x being the second number.

$(2x-6)^2+x^2=801\\\\6^2-2\cdot 6 \cdot 2x + (2x)^2+x^2=801\\\\36-24x+4x^2+x^2=801\\\\5x^2-24x+36-801=0\\\\5x^2-24x-765=0\\\\$

Let's use the discriminant.

$\Delta=b^4-4ac=24^2+4*5*765=15876=126^2$

There are two solutions and the positive one is

$\dfrac{-b+\sqrt{b^2-4ac}}{2a}=\dfrac{24+126}{10}=\dfrac{150}{10}=15$

So the solutions are 15 and 15*2-6 = 30-6 = 24

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

5 0

4 years ago

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Natalka [10]

Answer:

B (-1, 1.5)

Step-by-step explanation:

Add the x coordinates together and divide by 2: (-4 + 2) = -2/2 = -1.

The only option with (-1) as an x-coordinate is B, and that is the answer.

7 0

3 years ago

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