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krok68 [10]
3 years ago
9

Find the sum: (3x3 + 2x2 + x + 4) + (2x3 - x2 - 3x + 1)​

Mathematics
2 answers:
Darina [25.2K]3 years ago
7 0
Answer: 5x3 + x2 - 2x + 5

Make sure to combine like terms and watch out for if it’s subtraction or addition.
BabaBlast [244]3 years ago
7 0

Answer:

24-4x

Step-by-step explanation:

That's your answer

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3 years ago
PLZ HELP! Work must be shown for this problem. Solve for x. Round answers to the nearest hundredth (2 decimal places).
Leviafan [203]

Answer:

About 555.43 feet

Step-by-step explanation:

The sine of an angle is equivalent to the length of the opposite side divided by the length of the hypotenuse. In this case:

\sin 80= \dfrac{x}{564} \\\\x=\sin 80 \cdot 564\approx 555.43

Hope this helps!

3 0
3 years ago
A) Work out the value of (square root of 5)^2 x (square root of 3)^2?
gulaghasi [49]

Answer:

15

Step-by-step explanation:

Square root of 5=√5

Square of the square root=(√5)^2

=5

Square root of 3=√3

Square of the square root=(√3)^2

=3

So (square root of 5)^2×(square root of 3)^2

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15

Therefore the final answer is 15

6 0
3 years ago
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4 0
3 years ago
the length of roberts rectangular deck is 4 feet less than twice the width, w. robert plans to increase all sides of the deck by
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Hope this helps!
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3 years ago
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