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Whitepunk [10]
3 years ago
8

Find the solution set x^2+2x-8=0 separate the two answers with a comma

Mathematics
1 answer:
EastWind [94]3 years ago
3 0

Answer:

  -4, 2

Step-by-step explanation:

The equation can be factored as ...

  (x +4)(x -2) = 0

This has solutions that make the factors zero:

  x = -4, x = 2

The solution set is {-4, 2}.

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Select all equations that could be used to find the measure of angle C, using the fact that the sum of all the angles in a trian
Semmy [17]
C = 180 - A - B

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Brainliest answer :)) ?
4 0
3 years ago
What belongs in the box marked with the question mark in the proof?
koban [17]
<span>the blank boxes are for you to plug in x=20 to prove its right. so it would be 3(20)-4=2(20+8) 60-4=2(28) 56=56 so its true!</span>
6 0
3 years ago
In the figure, angle ZYX is measured in degrees. The area of the shaded sector can be determined using the formula StartFraction
tensa zangetsu [6.8K]

<u>The given options are:</u>

(A)the central angle measure of the sector divided by the total angle measure of a circle multiplied by the area of the circle will yield the area of the sector.

(B)the central angle measure of the sector divided by the total angle measure of a circle multiplied by the circumference of the circle will yield the area of the sector.

(C)the central angle measure of the sector multiplied by the area of the circle will yield the area of the sector.

(D)the central angle measure of the sector multiplied by the circumference of the circle will yield the area of the sector.

Answer:

(A)the central angle measure of the sector divided by the total angle measure of a circle multiplied by the area of the circle will yield the area of the sector.

Step-by-step explanation:

The area of the shaded sector can be determined using the formula:

\frac{m\angle ZYX}{360^\circ} \cdot \pi r^2

m\angle XYZ=$Central angle of XYZ\\\pi r^2$=Area of a Circle

360^\circ =$Total Angle

Therefore, the formula is:

\dfrac{m\angle ZYX}{360^\circ} \cdot \pi r^2\\\text{Area of XYZ}=\dfrac{\text{Cental Angle of XYZ}}{\text{Total Angle}} X \text{Area of the Circle}

Therefore, the formula is best explained by Option A.

7 0
3 years ago
In quadrilateral XWZY, name the angles which are consecutive with angle W
Aleksandr [31]

The consecutive angles are

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And

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3 0
3 years ago
The temperature was 14`°F`. If the temperature dropped 5 degrees every hour for 4 hours, what is the temperature after the 4 hou
Nina [5.8K]

Answer:

-6F

Step-by-step explanation: It would be 5F(4hr) = 20F. So if you have 14F subtract 20F you get -6F. Hope this helped.

4 0
2 years ago
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