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Lynna [10]
2 years ago
15

LEVEL 3! HELP PLEASE!

Mathematics
1 answer:
bazaltina [42]2 years ago
6 0

Answer:

abc

Step-by-step explanation:

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Keep in mind significant figures. 6.020*0.0510=?
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3.072×10^-1

Step-by-step explanation:

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What is the area of this figure? Use 3.14 for pi.
andrey2020 [161]

Answer:

24,53cm²

Step-by-step explanation:

rectangle area=length×width=7×3

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3 years ago
Take 2y 2 - 3y - 5 from y 3 - 6y 2 + 5y. Select the correct answer.
NNADVOKAT [17]

Answer:

y^3-8y^2+8y+5

Step-by-step explanation:

Take one polynomial from the other means to perform the sub.traction of them. Recall that it is better to use grouping symbols when subtracting polynomials, so we get the signs right when combining like terms:

The indicated subtraction is: y^3-6y^2+5y - (2y^2-3y-5)

Make sure that before removing the grouping symbol (parenthesis) that is preceded by a negative sign, we change the signs of every term inside it. Then combine like terms to get the final answer:

y^3-6y^2+5y - (2y^2-3y-5)=\\=y^3-6y^2+5y-2y^2+3y+5=\\=y^3-6y^2-2y^2+5y+3y+5=\\=y^3-8y^2+8y+5

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The cosine ratio is used to find missing angle measures and side measures in
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... right triangles.
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