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s344n2d4d5 [400]
3 years ago
7

5-4n<8-5n How do I solve

Mathematics
1 answer:
alukav5142 [94]3 years ago
7 0
Subtract 5n from both sides

5-9n <8

Subtract 5 from both sides

-9n <3

Divide both sides by negative 9.

n <1/3

To check:
5-4 (1/3)<8-5 (1/3)




OR



Add 4n to both sides

5 <8-n

Subtract 8 from both sides

-3 <-n
Divide both sides by negative 1

3 <n

To check:

5-4 (3)<8-5 (3)
-7 < -7


The first way is your right answer.
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Sonya expected to get 60$ for her birthday, but she only got 40$. what was the percentage decrease of the amount sonya recieved?
KIM [24]
Original price= 60
New price =40
Change in value=new price -original price
Change in value= 40-60
Change in value=-20
%decreased=change in value/original pricex100%
%decreased=20/60x100
%decreased= 33.3%
If rounded for the nearest whole number then it is 33%
5 0
4 years ago
Solve for x and y<br><br> 2x+7=3y-1
zlopas [31]
To solve for x and y, isolate each variable and simplify your equation:

Solve for x:
2x+7=3y-1 (Subtract 7 on each side)
2x=3y-8 (Divide by 2 on each side)
x=\frac{3y}{2} -4

Solve for y:
2x+7=3y-1
2x+8=3y (Add 1 on each side)
\frac{2x}{3} + \frac{8}{3}=y (Divide by 3)
y=\frac{2x}{3} + \frac{8}{3}

~I hope this helps!~
7 0
3 years ago
Which of the following describes the “p/2” in the expression above?
julia-pushkina [17]

Option B. Quotient is the right answer

Step-by-step explanation:

Given expression is:

p/2 +4(7+p)

Let us look at the options one by one

<u>A. factor</u>

p/2 is not a factor as the factor is always multiplied with another factor

<u>B. quotient</u>

This is the right answer as p is being divided by 2. The quotient of both will be used for further calculations

Hence,

Option B. Quotient is the right answer

Keywords: MCQs, Expressions

Learn more about polynomial expressions at:

  • brainly.com/question/12896802
  • brainly.com/question/12973601

#LearnwithBrainly

5 0
4 years ago
Simplify 60 - 2 + 6(4).
Talja [164]
58+24=82 is the correct answer to that question because you subtract 2 from 60 then add that to 6 multiplied by 4
7 0
4 years ago
Read 2 more answers
In a batch of 890 calculators, 12 were found to be defective. What is the probability that a calculator chosen at random will be
scoray [572]

Answer:

<em>1.3%</em>

When entered into a calculator, 12/890 (the chance of a given calculator being defective) = 0.01348...

As a percent this is 100*0.01348% = 1.348%, and to the nearest tenth, 1.3%

3 0
4 years ago
Read 2 more answers
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