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3 years ago

3(4x-5)+4(2x+6) simplify

Mathematics

2 answers:

astra-53 [7]3 years ago

5 0

Answer:

20+9

Step-by-step explanation:

Brums [2.3K]3 years ago

3 0

Answer: 20x+9 (I THINK that’s the answer but I’m not completely sure so...)

Step-by-step explanation: (12x-15) + (8x+24)

12x+8x= 20x

-15+24 (or 24-15)= 9

20x+9

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Help with this math question please

Step2247 [10]

The base of log is 10. So raising both sides to 10, we get:

$10^{0.94} = 10^{ log_{10} x} \\ \\ 
 10^{0.94}=x \\ \\ 
x= 8.71$

S, rounding of to nearest hundredth, the value of x in the equation 0.94 = log(x) comes out to be 8.71.

3 0

2 years ago

Find the equation of the inverse.<img src="https://tex.z-dn.net/?f=y%20%3D%20%20%7B2%7D%5E%7Bx%20%2B%205%7D%20%20-%206" id="TexF

Contact [7]

Find the equation of the inverse.

$y = {2}^{x + 5} - 6$

we have

$y=\mleft\{2\mright\}^{\mleft\{x+5\mright\}}-6$

step 1

Exchange the variables

x for y and y for x

$x=\{2\}^{\{y+5\}}-6$

step 2

Isolate the variable y

$(x+6)=2^{(y+5)}$

apply log both sides

$\begin{gathered} \log (x+6)=(y+5)\cdot\log (2) \\ y+5=\frac{\log (x+6)}{\log (2)} \\ \\ y=\frac{\log(x+6)}{\log(2)}-5 \end{gathered}$

step 3

Let

$f^{(-1)}(x)=y$

therefore

the inverse function is

$f^{(-1)}(x)=\frac{\log(x+6)}{\log(2)}-5$

7 0

1 year ago

Explain the difference between the union and intersection of two sets.

Margaret [11]

Answer:

The union of two sets is a new set that contains all of the elements that are in at least one of the two sets.

Step-by-step explanation:

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3 years ago

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Grace [21]

Y/x kids were absent yesterday

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cestrela7 [59]

5/0 UNDEFINED... The answer is a vertical line.

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3 years ago

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