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grigory [225]
3 years ago
5

When solving using the quadratic formula, what does the discriminant tell you about the nature of the roots?

Mathematics
1 answer:
Softa [21]3 years ago
5 0
The discriminate is the part under the square root of the formula and gives you the amount of solutions

If the discriminate is positive there are 2 solutions, if it is 0 there is a single solution and if it is negative then there is no solution (in the real numbers), because the root is not defined for negative numbers
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PLEASE HELP ME!!!!!!!!!!!!!!!!!!!
swat32
The answer will be 14^12
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Jamel wants to buy a PS 5. He found it for $500
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Answer:

150

Step-by-step explanation:

its 150 without taxes

7 0
3 years ago
–24 + 12d = 2(d – 3) + 22 what does e=?
olchik [2.2K]

Answer:

-24 + 12d = 2(d - 3) + 22

-24 + 12d = 2d - 6 + 22

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        12d = 2d + 40

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Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A garden is designed in the shape of a rhombus formed from 4 identical 30°-60°-90° triangles. The shorter distance across the mi
g100num [7]
legs of the triangles

Each triangle 30-60-90 is:

         one leg: 15 ft => short diagonal = 2 * 15ft = 30ft

         other leg, x:

         tan(30) = 15 / x => x = 15 ft / tan(30) = 25.98 ft

=> long diagonal = 2 * 25.98ft = 51.96 ft

side of the rhoumbus =  hypotenuse of one triangle

side of the rhombus = √ [ (15)^2 + (25.98)^2 ] = √(900) = 30 ft

Area of the rhombus:

4 * area of one triangle = 4 [base*height/2] = 4*15*25.98/2 = 779.43 ft^2

The shortest distance accross the garden is equal to the side of the rhombus = 30 ft


5 0
4 years ago
Read 2 more answers
Bo Karah can run a race in 4 hours 33 minutes if he runs at 7 m/s. How long will it take in hours and minutes if
lidiya [134]

Answer:

7 hours and 9 minutes

Step-by-step explanation:

4 hours and 33 minutes is 273 minutes

7 m/s —> 273 minutes

11 m/s —> M

Criss cross to get M

11x273= 7M

3003=7M

M=429 minutes

==> 429 minutes is 7 hours and 9 minutes

8 0
3 years ago
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