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777dan777 [17]
3 years ago
12

Twice one number added to another umber is 18. If the second number is equal o 12 less than 4 times the first number, find the t

wo numbers.
​
Mathematics
1 answer:
cestrela7 [59]3 years ago
4 0
The answer is 12 and 6 because twice the number which is 6 is 12
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Expand each expression
matrenka [14]

Answer:

Option B - \ln(\frac{4y^5}{x^2})=\ln 4+5\ln y-2\ln x

Step-by-step explanation:

Given : Expression \ln(\frac{4y^5}{x^2})

To find : Expand each expression ?

Solution :

Using logarithmic properties,

\ln (\frac{A}{B})=\frac{\ln A}{\ln B}=\ln A-\ln B

and \ln (AB)=\ln A+\ln B

Here, A=4y^5 and B=x^2

\ln(\frac{4y^5}{x^2})=\frac{\ln 4y^5}{\ln x^2}

\ln(\frac{4y^5}{x^2})=\ln 4y^5-\ln x^2

\ln(\frac{4y^5}{x^2})=\ln 4+\ln y^5-\ln x^2

Using logarithmic property, \logx^a=a\log x

\ln(\frac{4y^5}{x^2})=\ln 4+5\ln y-2\ln x

Therefore, option B is correct.

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3 years ago
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Edwin built a picture frame 13 inches long and 10 inches wide out of wood that is 2 inches wide.
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D is the correct a answer
8 0
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356 added to the product of 56 and an unknown number is equal to -832 what is the equation for the given statement
natima [27]
Let the unknown no. be y
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4 years ago
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HELP HELP HELP <br> Quick algebra 1 question<br><br> What is the slope of this graph?
Nataly [62]

Hello and Good Morning/Afternoon:

<u />

<u>To find the slope of something</u>:

  ⇒ let's consider what the formula of the slope needs

               \frac{y_2-y_1}{x_2-x_1}

      ⇒ <em>needs</em> any two points on the line (x₁,y₁) and (x₂,y₂)

<u>Let's get the required information</u>:

  • (x₁,y₁)   ==>   (0,0)
  • (x₂,y₂)  ==>   (5,2)

<u>Let's solve</u>:

  Slope = \frac{2-0}{5-0} =\frac{2}{5}

<u>Answer: 2/5</u>

<u></u>

Hope that helps!

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5 0
2 years ago
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Can anyone help me with the odd numbers on my algebra 1 homework?
WINSTONCH [101]

y =x+10

y =6x+30

substitute x+10 into the 2nd equation anywhere you see y

x+10 = 6x+30

subtract x from each side

x-x+10 = 6x-x+30

10 = 5x+30

subtract 30 from each side

10-30=5x+30-30

-20 = 5x

divide by 5 on each side

-20/5 =5x/5

-4=x

now solve for y

y=x+10

y = -4 +10

y=6

Answer: x=-4

y=6

or (-4,6)


3.  y = -3x-6

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5x-15x-30=-30

-20x-30=-30

-20x=0

x=0

y = -3x-6

y=-6



6 0
3 years ago
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