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zvonat [6]
2 years ago
5

8. If the measure of one side of a square is increased by 2 centimeters and the measure of

Mathematics
1 answer:
GalinKa [24]2 years ago
8 0

Answer:

  6 cm

Step-by-step explanation:

If the original side length is x, then the modified square has an area of ...

  A = LW

  32 = (x +2)(x -2) = x^2  -4

  36 = x^2 . . . . . . . . add 4

  6 = x . . . . . . . . . . take the square root

The original figure has a side length of 6 cm.

__

<em>Check</em>

The modified figure is 8 cm by 4 cm = 32 cm^2.

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Remi invests £600 for 5 years in a savings account.
Daniel [21]

Answer:

225600

Step-by-step explanation:

Simple interest formula:

A = P(1 + rt)

A = final amount

P = initial principal balance

r = annual interest rate

t = time (in years)

So...

A = 600(1 +(75 x 5) )

75 x 5 = 375

1 + 375 = 376

600 x 376 = 225600

A = 225600

6 0
3 years ago
Please help! really needing help solve the problem
guapka [62]

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Step-by-step explanation:

By Basic proportionality theorem:

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7 0
3 years ago
Find the values of a , b and c in the equation below
stellarik [79]

Answer:

x^12 y^2 z^11

a= 12

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c= 11

Step-by-step explanation:

On the numerator you distribute the exponent 3 to the other exponents.

I think you multiply the 3 so you would get: x^15 y^3 z^12.

so it looks like x^15 y^3 z^12 / x^3yz

Then you subtract the top exponents from the bottom exponent because when you are dividing you subtract exponents. the exponent for y and z in the denominator is 1

and thats how i got x^12 y^2 and z^11. The exponents are a b and c

I hope that is right

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Answer:

b<negative 4/7

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