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3 years ago

Work out the percentage change when a price of £160 is decreased to £100.

Mathematics

2 answers:

Kruka [31]3 years ago

6 0

Answer:

37.5%

Step-by-step explanation:

100/160= 0.625

1 - 0.625 = 0.375

To get the percentage from a decimal, multiply by 100:

(0.375)100 = 37.5%

To check you work just multiply 0.375 or 37.5% with 160 and then subtract that product from 160 and it should equal 100:

(0.375) 160 = 60

160 - 60 = 100

mote1985 [20]3 years ago

6 0

The answer is 37.5 percent

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Find Distance (4,6) (-4,-3)

vampirchik [111]

Answer:

$\sqrt{145}$

Step-by-step explanation:

The distance formula states that the distance between two points $(a,b)$ and $(c,d)$ is $\sqrt{(a-c)^2+(b-d)^2}$ .

The two points we have are $(4,6)$ and $(-4,-3)$ . Plugging these numbers into the distance formula, we have

$\sqrt{(4-(-4))^2+(6-(-3))^2$ .

Simplifying with order of operations, first using the distributive property, gives

$\sqrt{(4+4)^2+(6+3)^2$ .

Squaring and adding gives

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2 years ago

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Eva8 [605]

Answer:

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Step-by-step explanation:

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3 years ago

How to find the value of x in a triangle (5x-11)°, (2x+20)°, (11x-63)°

asambeis [7]

Answer:

x=13

Step-by-step explanation:

Well, the triangle is always equal to 180 degrees in total. Lets remember that x will always be the same in every equation.

So, (5x-11) x (2x+20) x (11x-63) = 180.

Now, take away the parenthesis and add up all the like terms.

This should = 18x-54 = 180.

Now solve like you regularly would. Add 54 on both sides which equals,

18x=234. Now, divide 18 on both sides.

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Hope this helps.

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3 years ago

Read 2 more answers

Which graph represents a function with direct variation?

Elena L [17]

Answer:

Second graph with straight diagonal lines

Step-by-step explanation:

The second graph with straight diagonal lines represents the direct variation

The X and Y axis represents two variables A and B and these two variables in case of second graph with straight lines are directly proportional to each other.

Hence, If value of variable A increases, then value of variable B will also increase

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3 years ago

Susan has 50% more books than michael. Michael has 40 more books.If michael buys 8 more books,will susan have more or less than

Oduvanchick [21]

Answer:

No he wont.

Step-by-step explanation:

50% of 40=20

40+20=60

40+8=48

Michael has 48 and Susan has 60

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3 years ago