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Brut [27]
3 years ago
15

I dont know what answer is i need help

Mathematics
2 answers:
Llana [10]3 years ago
8 0

Answer:

12

Step-by-step explanation:

Let's look at the following exponent rule below:

\frac{x^{a} }{x^{b} } = x^{a-b}

We can apply this rule to the problem given to help us find the final answer by taking each exponent and <em>subtracting them</em>. Let's illustrate this below:

\frac{12^{-4} }{12^{-5} } =12x^{-4-(-5)}=12^{-4+5} =12^{1} =12

Hopefully this was helpful! Let me know if you have any more questions.

Otrada [13]3 years ago
3 0
Its 12. -4 - -5 = 1. 12^1 =12
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Graphing Quadratic Functions (help please )
Reil [10]

Answer:

#1

Zeroes: x = 4, x = -6

The vertex is at ( -1 , 50 )

Step-by-step explanation:

I'll do the first one, you try the rest

All of these are written in y = a(x - x1)(x - x2) where x1 and x2 are given and x are the two different zeroes (or x-intercepts)

f(x) = -2(x-4)(x+6)

The zeroes are x - 4 = 0 and x + 6 = 0 if you solve, you get 4 and -6

Zeroes: x = 4, x = -6

The x value of the vertex can be found using -b/2a (in the form ax^2 + bx + c)

First expand f(x)

-2(x^2 + 2x - 24) => -2x^2 - 4x + 48

b = -4 and a = -2

-(-4)/2(-2) = 4/-4 = -1

the x-value of the vertex is -1

Now substitute -1 as x to find the y-value of the vertex

-2(-1-4)(-1+6) = -2(-5)(5) = 50 <= y-value of vertex

The vertex is at ( -1 , 50 )

6 0
3 years ago
Can someone help? TvT please
zysi [14]

Answer:

I don't know bro actually which question ❓

7 0
3 years ago
Find the result when 7x + 12 is subtracted from 11x – 10.<br> -<br> We have to use distributing
Sveta_85 [38]

Answer:

-4x+2

Step-by-step explanation:

STEP 1: Subtract 11x from 7x.

STEP 2: Subtract 10 from 12.

8 0
3 years ago
Read 2 more answers
(2ab+9a-4) - (ab+2)
skad [1K]

Answer:

\boxed{\bold{ab+9a-6}}

Step-by-step explanation:

Remove parenthesis: (a) = a

\bold{2ab+9a-4-\left(ab+2\right)}

\bold{-\left(ab+2\right): \ -ab-2}

\bold{2ab+9a-4-ab-2}

Simplify \bold{2ab+9a-4-ab-2}

\bold{ab+9a-6}

Regards,

   Mordancy

7 0
3 years ago
Im giving brainliest to who ever needs it
NikAS [45]

Answer:

heck ya

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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