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AleksAgata [21]
2 years ago
5

Work out the percentage change when a price of £20 is increased to £50

Mathematics
1 answer:
Verdich [7]2 years ago
8 0

Answer:

it is 250 percent increase

Step-by-step explanation:

it is cuz if you multiply 20 times 2 you get 40 but you need 50 so you say ok well half of 20 is ten so add a 50 percent in there if it makes sense

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Write each mixed as a decimal.<br> a) 1 3/4<br> b) 2 13/20
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Answer:

a. 1.75

b. 2.65

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6 0
3 years ago
I know this problem is not too complicated but i wasnt sure if i was right
Grace [21]
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Improper fraction: 9/4
Decimal: 2.25
Mixed Number: 2 1/4
8 0
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Help me on this problems
elena55 [62]
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6 0
3 years ago
Which of the following statements is true?
Murrr4er [49]

Option A - (0,0) is a solution to both the equations. is the only true statement.

Step-by-step explanation:

Step 1 :    

Given  2 equations are

n = m

n = 4m

Step 2:

(0,0) is a solution to both the equations.

This statement is true as substituting the point , the equations are true.

Step 3 :

Every solution to n=m is also a solution to n=4 m

Take the point (5,5)

This point lies on the equation n = m, as both the x and y co ordinates are same

n = 4 m = 4 × 5 = 20

So here for n = 5, n = 4 m is not true and hence this point is not a solution for the second equation thought it is a solution for the first equation

Hence this statement is not true

Step 4:

The graph of the solutions is  parallel lines

this statement is not true because the 2 lines intersect at (0,0) as observed from step 2.

Step 5 :

No point on the line n=m is also a point on n=4 m

This statement is not true because (0,0) is a point on both the lines.

Step 6 :

Answer :

Option A - (0,0) is a solution to both the equations. is the only true statement.

6 0
3 years ago
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