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3 years ago

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

Mathematics

1 answer:

dedylja [7]3 years ago

3 0

Answer:

Step-by-step explanation:

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Circumference (Level 2)<br> Need help with this.

goblinko [34]

.25 meters is the answer

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3 years ago

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A cricular arena is lit by 5 lights equally spaced around the perimeter of the arena. What is the measure of each angle formed b

Kitty [74]

Answer:

108°

Step-by-step explanation:

Suppose that circle with center A is a circular arena. Points B, C, D, E and F are 5 lights. These 5 points form regular pentagon (because these 5 lights are equally spaced around the perimeter of the arena).

The sum of all interior angles of pentagon can be calculated using following formula

$(n-2)\cdot 180^{\circ},\\ \\(5-2)\cdot 180^{\circ}=3\cdot 180^{\circ}=540^{\circ}$

All interior angles in regular pentagon are of equal measure, so

$\dfrac{540^{\circ}}{5}=108^{\circ}$

Thus, the measure of each angle formed by the lights on the perimeter is 108°.

7 0

3 years ago

at 6:00 a.m., the temperature is 58°. At 2:00 p.m., temperature is 76°. Find the rate of change in degrees per hour during this

lesya [120]

Answer:

The rate of change is of 2.25 degrees per hour.

Step-by-step explanation:

The rate of change in degrees per hour is given by by the change in temperature divided by the change in time(by number of hours).

In this question:

From 6 am to 2 pm, there are 12 - 6 + 2 - 0 = 6 + 2 = 8 hours

The change in temperature was of 76 - 58 = 18º

Rate of change:

18º/8 = 2.25º

The rate of change is of 2.25 degrees per hour.

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3 years ago

The farther an integer is from zero, the ______ its absolute value is

Shtirlitz [24]

The greater it's absolute value is

4 0

3 years ago

Which is it? i cant figure it out

earnstyle [38]

It is a because you have to multiply the answer tightened and get your answer

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3 years ago