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VashaNatasha [74]
3 years ago
5

What is 25 percent of 80

Mathematics
2 answers:
expeople1 [14]3 years ago
5 0

Answer:

It would be 20

Step-by-step explanation:

Step 1: Our output value is 25.



Step 2: We represent the unknown value with x


Step 3: From step 1 above 25=100%.



Step 4: Similarly, x=80%.



Step 5: This results in a pair of simple equations:



25=100%(1).



x=80%(2).



Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both


equations have the same unit (%); we have



25/x=100%/80%


Step 7: Again, the reciprocal of both sides gives



25/x=80/100



=20


Therefore, 80% of 25% is 20

hope it helps

Irina18 [472]3 years ago
4 0

Answer:

20

Step-by-step explanation:

20*4=80

25%*4=100%

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First, set 2x+7 equal to 3x-7 since they are the same angle due to the parallel lines.

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Then, since 2x+7 and 12y+1 equals 180, put it together to find y:

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3 years ago
Which inverse operation would be used to verify the following equation? 54 ÷ 9 = 6        A. 9 − 6 = 3   B. 54 ÷ 6 = 9   C. 9 ×
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3 years ago
Read 2 more answers
What are the solutions to the quadratic equation (5y +6) 2= 24?
boyakko [2]

Answer:

y=-2.18,-0.22

Step-by-step explanation:

We have been given the equation

(5y+6)^2=24

Take square root both sides. When ever we take square root, we include plus minus sign

\sqrt{(5y+6)^2}=\pm\sqrt{24}\\\\5y+6=\pm2\sqrt6

Now, subtract 6 to both sides of the equation

5y=-6\pm2\sqrt6

Divide both sides by 5

y=\frac{1}{5}(-6\pm2\sqrt6)

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In decimal we have

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3 0
3 years ago
8a. Brian has $24 worth if pizzas delivered to his house for a $3 delivery fee.
dsp73

Answer:

32.94

Step-by-step explanation:

24(.22) [Both Sales tax and tip.] = $5.28 Add to the 27. You get $32.28

Or, you could be estimating based on the delivery fee too. Which the would be this:

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Answer:

y=x+10

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y=mx+b

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y=x+10

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3 years ago
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