3 years ago

Can someone help me with this please

Mathematics

1 answer:

Nata [24]3 years ago

7 0

The other guy scammed you mark

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Amanda increased the amount of protein she eats every day from 48g to 54g. by what percentage did Amanda increased the amount of

alina1380 [7]

Answer:

6%?

Step-by-step explanation:

It would just be 54-48!

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3 years ago

Which algebraic rule describes the translation of ΔDEF to ΔD'E'F'?

fomenos

C is the answer. C is +6 and y is -2

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3 years ago

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lapo4ka [179]

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3 years ago

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What is, 3 - (1/3) to the power of 4?

MArishka [77]

Answer:

3-(1/3)^4 = 242/81

Step-by-step explanation

to raise a fraction to a power, raise the numerator and denominator to that power. Making it 3-1/81

then calculate the difference, making your answer 242/81 (or 2 wholes and 80/81)

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3 years ago

The Johnsons’ new swimming pool measures 3x^2-2x+1 ft in length and x+2 ft in width. What is the area of the new swimming pool,

Usimov [2.4K]

Answer:

$3x^3 + 4x^2 -3x + 2$

Step-by-step explanation:

The area of the swimming pool will be equal to $length * width$ .

We know that the length is $3x^2-2x+1$ and the width is $x+2$ .

Therefore we can substitute those into the equation:

$(3x^2-2x+1)(x+2)\\$

Then, we expand the brackets using a grid (attached).

After this, we collect like terms to find the final answer:

$3x^3+6x^2-2x^2-4x+x+2\\3x^3 + 4x^2 -3x + 2$

Our final answer is: $3x^3 + 4x^2 -3x + 2$

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2 years ago