1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bekas [8.4K]
2 years ago
14

i When 20 is added to a certain number and the sun is divided by 3, the result is 3 times the number, find the number.​

Mathematics
1 answer:
Bingel [31]2 years ago
3 0

Answer:

let \: the \: number \: be \: x \\  \frac{20 + x}{3}  = 3x \\  \frac{3(20 + x)}{3}  = (3x)3 \\ 20 + x = 9x \\ 20 = 9x - x \\ 20 = 8x \\  \frac{20}{8}  =  \frac{8x}{8}   \\ x = 2.5

Step-by-step explanation:

Hope that this is helpful .

Have a great day.

You might be interested in
What is the first day of spring
nasty-shy [4]

Answer:

The first day of spring is  Thursday, March 19th.

The first day of summer is June 20th. So, Spring ends on June 20th.

Step-by-step explanation:

<em>I looked it up on the internet instead of asking on brainly.</em>

8 0
3 years ago
Read 2 more answers
Express the given quantity as a single logarithm and simplify: 3logx+2log(y-2)-5logx
storchak [24]
Simplify each term<span>.</span>
Simplify <span>3log(x)</span><span> by moving </span>3<span> inside the </span>logarithm<span>. 
</span><span>log(<span>x^3</span>)+2log(y−1)−5log(x)</span><span> 
</span>
Simplify <span>2log(y−1)</span><span> by moving </span>2<span> inside the </span>logarithm<span>. 
</span><span>log(<span>x^3</span>)+log((y−1<span>)^2</span>)−5log(x)</span><span> 
</span>
Rewrite <span>(y−1<span>)^2</span></span><span> as </span><span><span>(y−1)(y−1)</span>.</span><span> 
</span><span>log(<span>x^3</span>)+log((y−1)(y−1))−5log(x)</span><span> 
</span>
Expand <span>(y−1)(y−1)</span><span> using the </span>FOIL<span> Method. 
</span><span>log(<span>x^3</span>)+log(y(y)+y(−1)−1(y)−1(−1))−5log(x)</span><span> 
</span>
Simplify each term<span>. 
</span><span>log(<span>x^3</span>)+log(<span>y^2</span>−2y+1)+log(<span>x^<span>−5</span></span>)</span><span> 

</span>Remove the negative exponent<span> by rewriting </span><span>x^<span>−5</span></span><span> as </span><span><span>1/<span>x^5</span></span>.</span><span> 
</span><span>log(<span>x^3</span>)+log(<span>y^2</span>−2y+1)+log(<span>1/<span>x^5</span></span>)</span><span> 
</span>
Combine<span> logs to get </span><span>log(<span>x^3</span>(<span>y^2</span>−2y+1))
</span><span>log(<span>x^3</span>(<span>y^2</span>−2y+1))+log(<span>1/<span>x^5</span></span>)

</span>Combine<span> logs to get </span><span>log(<span><span><span>x^3</span>(<span>y^2</span>−2y+1)/</span><span>x^5</span></span>)</span><span> 
</span>log(x^3(y^2−2y+1)/x^5)

Cancel <span>x^3</span><span> in the </span>numerator<span> and </span>denominator<span>. 
</span><span>log(<span><span><span>y^2</span>−2y+1/</span><span>x^2</span></span>)</span><span> 

</span>Rewrite 1<span> as </span><span><span>1^2</span>.</span> 
<span><span>y^2</span>−2y+<span>1^2/</span></span><span>x^2</span>

Factor<span> by </span>perfect square<span> rule. 
</span><span>(y−1<span>)^2/</span></span><span>x^2</span>

Replace into larger expression<span>. 
</span>
<span>log(<span><span>(y−1<span>)^2/</span></span><span>x^2</span></span>)</span> 
3 0
3 years ago
What is the answer to 3s=45?
german
S= 15


3s=45
3s/3=45/3
S=15
You have to divide both sides
5 0
3 years ago
What is the quotient of 22/3
Artemon [7]

Answer:

7

Step-by-step explanation:

3 0
2 years ago
Evaluate P (5,3)<br>A.15<br>B.20<br>C.60
atroni [7]
Am i supposed to multiply? 5 times 3 equals 15 
3 0
3 years ago
Read 2 more answers
Other questions:
  • Yuko added a 15 percent tip when she paid her cab driver. If the fare was $25.50, what was the total amount she paid? A. $28 B.
    6·2 answers
  • PLS HELP!!
    12·2 answers
  • ah i only need to know if its AND or OR! i already have the graphing done, if you could, please explain how you got AND/OR! than
    7·1 answer
  • Help with this math problem
    13·2 answers
  • Which is the graph of the linear inequality y &lt; 3x + 1?
    13·1 answer
  • Can you please help me...Thank you!
    10·1 answer
  • I completely forgot how to do this, so if you can answer and give an explanation, I’d really appreciate it!
    8·1 answer
  • I ONLY NEED HELP ON THE FIRST QUESTION SHOWN
    6·1 answer
  • ANOVA is a hypothesis testing technique used to compare the equality of means for two or more groups; for example, it can be use
    12·1 answer
  • Let the length of the long leg equal x. How can the length of the short leg 10 points
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!