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Elden [556K]
3 years ago
7

3x^2-5x-6=0;3 can anyone solve this

Mathematics
1 answer:
dsp733 years ago
6 0
X =(-5-√97)/6=-2.475 or x =(-5+√97<span>)/6= 0.808</span>
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Which THREE pairs of measurements are possible side lengths for a 30-60-90 triangle?
9966 [12]

Answer:

1, 5 and 6.

Step-by-step explanation:

The sides of this triangles has lengths in the ratio x : √3x : 2x where 2x is the hypotenuse.

When C = 30,  the side AB is the small leg  (=x).

When B = 90, the hypotenuse is  AC ( =2x).

When A =  60, the larger leg is BC (=√3x).

1.  AB = 4, BC = 4√3 :- Are possible legs.

5 AB = 7, AC = 14. :-  AB = small leg, AC = hypotenuse.

6. AB = 11, BC = 11√3:-   AB = small, BC = larger leg.

4 0
3 years ago
A large party balloon is being filled with helium at a constant rate. After 8 seconds, there is 2.5L of helium in the balloon.
raketka [301]

Answer:

32 seconds

Step-by-step explanation:

first 8 secknds gives us the value of set 2.5l

2.5L to make 10 =

10÷2.5=4

That said 2.5L fills 1pL by 4 giving us;

4×2.5= 10L

7 0
1 year ago
Divide using long division.<br> (9x2 + 3x3 + 8) ÷ (x − 2)
Tomtit [17]

Answer:

3x2+15x+30 with a remainder of 68

3 0
3 years ago
5) Kyle bought a car. Then its value started decreasing by the same amount each year. After 3 years, it was
slavikrds [6]

Answer:

a) $23 500

b) $6 700

Step-by-step explanation:

19300-13700/7-3

decrease of $1400/y

19300 + (3*1400) = original price

                            = $23 500

value after 12 years = 23 500 - (1400*12)

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5 0
2 years ago
If you were asked to give every possible measurement of a triangle, what measurements could you include?
Anarel [89]

Answer:

Step-by-step explanation:

All the possible measurements of a triangle would include the following

side lengths = individual length of each side

angle measures = individual inner angle of each corner within the triangle

area = area which is calculated with the following formula A = \frac{height * base}{2}

perimeter = the sum of the length of all sides

height = length from the base to the opposite corner

These would be all of the measurements of a triangle.

5 0
3 years ago
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