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Ganezh [65]
3 years ago
12

Question up there. ^ |​

Mathematics
1 answer:
wel3 years ago
8 0

Answer: (5,12) hope this helped

Step-by-step explanation: can i get brainliest

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Find the x-values for which f(x) = g(x)<br> if you know that f(x) = x2 and g(x) = 2x.
il63 [147K]

For this case we have the following functions:

f (x) = x ^ 2\\g (x) = 2x

If we want f (x) = g (x) then:

x ^ 2 = 2x\\x ^ 2-2x = 0

We take common factor x:

x (x-2) = 0

Thus, the values of x that make equality equal are:

x_ {1} = 0\\x_ {2} = 2

Thus, the values of x for whichf (x) = g (x)are 0 and 2.

ANswer:

The values of x for which f (x) = g (x)are 0 and 2.

3 0
3 years ago
Simplify -6/2 ÷ 12 - 2(-7)<br><br> Please answer!!!!
Alekssandra [29.7K]

Answer:

Exact Form:      57/4

Decimal Form:     14.25

Mixed Number Form:   14 1/4

5 0
3 years ago
Read 2 more answers
How is this written in an expanded version?
Yuri [45]

Powers distribute over multiplications:

(ab)^c = a^c\cdot b^c

So, you have

(3k^5)^2 = 3^2 \cdot (k^5)^2

Now, 3^2 is simply 9.

As for (k^5)^2, we have to use the rule

(a^b)^c = a^{bc}

to get

(k^5)^2=k^{5\cdot 2}=k^{10}

So, the final answer is

(3k^5)^2 =9k^{10}

5 0
3 years ago
Read 2 more answers
If a =5, 0, −1,find a vector b such that compab = 2.b = _______.
Arturiano [62]

Answer:

b  =  (q,r , 5q-2\sqrt{26} )

Step-by-step explanation:

From the question we are told that

The vector given is  

               a = (5,0,-1)

  Also  comp_a b =  2

Generally

       comp_a b  =  \frac{a \cdot b}{|a|}

Here  |a| is the magnitude of  a which is mathematically represented as

      |a| =  \sqrt{5^2  + 0^2  +(-1)^2 }

=>     |a| =  \sqrt{26}

b is vector which we will assume to have the following parameters

     b  =  (q , r , x)

So

        comp_a b =  \frac{(5,0,-1) \cdot (q,r,x)}{\sqrt{26} } =  2

=>     \frac{5q + 0 -x}{\sqrt{26} } = 2

=>     x =  5q-2\sqrt{26}

Hence the vector be can be mathematically represented as

      b  =  (q,r , 5q-2\sqrt{26} )

This means that the vector b is more than one value  since it is made up of variable

This means that if

   q = 1\\r=1\\x =1

Then

    b  =  (1,1,5-2\sqrt{26} )

         

7 0
3 years ago
Element X is a radioactive isotope such that every 81 years, its mass decreases by half. Given that the initial mass of a sample
Ksenya-84 [330]

Answer:

1426

Step-by-step explanation:

this question has been asked before and answered incorrectly but people corrected them in the comments.

3 0
2 years ago
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