3 years ago

(-x^2+3x-4)-(2x^2+x-1)

Mathematics

2 answers:

Molodets [167]3 years ago

7 0

Answer: If you are simplifying then here is the answer, −

3 x 2 + 2 x − 3

stepan [7]3 years ago

3 0

Answer:

3x2 + 2x - 63x2 + 2x - 6

Step-by-step explanation:

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What is the solution set?

rosijanka [135]

Step-by-step explanation:

$x \div 4 \leqslant 9 \div x$

$x ^{2} \leqslant 36$

$x {}^{2} - 36 \leqslant 0$

$x {}^{2} { - 6}^{2} \leqslant 0$

$(x + 6)(x - 6) \leqslant 0$

$x \leqslant - 6 \: \: or \: \: \: x \leqslant 6$

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From the explanation the correct answer is the last one from the question above

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3 years ago

What is the sum of all the exterior angles for a 99-gon?*

mars1129 [50]

Answer:

360

Step-by-step explanation:

The sum exterior angles of any number of side polygon is always 360

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4 years ago

What is the best approximation of the volume of the right cone?

zalisa [80]

Formula:

V = 1/3 * pi * r^2 * h

Plug in what we know:

V = 1/3 * 3.14 * 3^2 * 4

V = 37.68cm^3

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3 years ago

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Is 56 inches less than 5 feet? PLEASE THIS IS AN EMERGENCY! 40 POINTS IF YOU ANSWER! :D

Elena-2011 [213]

Answer:

5ft. = 60 in. so yes, 5 feet is more than 56 inches

Step-by-step explanation:

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3 years ago

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Evaluate the expression for a = 5, b = 11, and c = 3. 2a + 2c(b − 5) A. 64 B. 46 C. 54 D. 163

Artemon [7]

2a +2c(b-5)

substitute a=5 b=11 c=3

2(5) +2(3) (11-5)

10+6(6)

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Choice B

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3 years ago