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3 years ago

Find a polynomial which, when added to the polynomial 3x^2+3x-1, is equivalent to the following expressions: 1, 2x^2-3, and x+5

1 answer:

5 0

The polynomials which, when added to the polynomial 3x²+3x-1, is equivalent to the following expressions: 1, 2x²-3, and x+5 are respectively;

P = 2 - 3x² -3x.
P = -2 -x² -3x
P = 6 -2x -3x².

<h3>Addition of polynomials</h3>

For the expression; 1; we have;

3x²+3x-1 + P = 1.

P = 2 - 3x² -3x.

For the expression; 2x²-3; we have;

3x²+3x-1 + P = 2x²-3

P = -2 -x² -3x

For the expression; x +5; we have;

3x²+3x-1 + P = x +5

P = 6 -2x -3x².

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The median of a set of consecutive odd integers is 138. If the greatest integer in the set is 145, what is the least integer in

garri49 [273]

Answer:

131

Step-by-step explanation:

Given that:

Median of a consecutive odd integers = 138

Greatest integer In dataset = 145

Least integer in dataset =

Since the integers are consecutive ;

Number of integers to greatest integer value : Greatest integer - median value = 145 - 138 = 7

Hence, 7 integers before the median value should give us the least integer value ;

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CHECK:

131,132,133,134,135,136,137,138,139,140,141,142,143,144,145

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3 years ago

Jaclyn estimates the square root of 32 in the following way:

Fittoniya [83]

Answer:

incorrect, correct answer is 4√2

Step-by-step explanation:

When you remove the square root You will have to remove them completely. so that the inside of the square root cannot be removed any more numbers (I'm not good at English but I hope u understand what I want u to know :)))

√32 = √2×2×2×2×2

Match 2 identical numbers one at a time and bring them out. ;

√32 = 2×2√2

√32 = 4√2 correct answer!

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3 years ago

A parallelogram has an area of x2 + 9x - 36.

malfutka [58]

Answer:

Step-by-step explanation:

Please use " ^ " to indicate exponentiation:

A = x^2 + 9x - 36. This factors into A = (x + 12)(x - 3). We can assume that the length of the parallelogram is x + 12 and that the width is x - 3.

Note that if x = 3 the area becomes zero. So: x must be greater than 3, so that the (x - 3) factor is positive.

Example: If x = 4, then the dimensions of the parallelogram are 4 + 12, or 16, and 4 - 3, or 1.

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