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Gnesinka [82]
2 years ago
15

What are these answers please help

Mathematics
1 answer:
Sphinxa [80]2 years ago
4 0

Answer: if it is a positive number then it will always be a positive integer

Step-by-step explanation:

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Determine the number of real solutions of -2x2 + 5x - 3 = 0.
andrew11 [14]

-2x^2 + 5x -3 =0

Find the discriminate:

In the given formula a = -2, b = 5 and c = -3

The discriminate is found using the formula b^2 - 4(ac)

Replace the letters with their values:

5^2 - 4(-2*-3)

25 - 4*6

25-24 = 1

When the discriminate is greater than or equal to 0, there are two real solutions.

The answer is c) 2

4 0
2 years ago
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. <br> IM GIVING 40 POINTS !! DONT SKIP :((.
Luba_88 [7]

Answer:

Step-by-step explanation:

(5, -30)  (6, -36)

(-36 + 30)/(6 - 5) = -6/1 = -6

y + 30 = -6(x - 5)

y + 30 = -6x + 30

y = -6x + 0

y = -6x

4 0
2 years ago
A bicycle pedal is pushed straight downwards by a foot with a 11 Newton force. The shaft of the pedal is 20 cm long. If the shaf
galben [10]

Answer: 1.1 Nm

Step-by-step explanation:

The formula for torque is T = r · F · sin θ

where θ = π/6, r = 20 cm = 0.2 m, F = 11 N

formula for converting radians to degrees is 1 rad × 180/π = 57.296°

θ = π/6 · 180/π = 30°

Substituting r into the formula for torque, we have

T = 0.2 x 11 x sin 30° = 0.2 x 11 x 0.5

T = 1.1 Nm

3 0
3 years ago
Help pleasee, its past due , im sufferingggg
jeyben [28]

Answer:

-11

Step-by-step explanation:

First we plug -2 in for c

4(-2)-3=-8-3=-11

5 0
2 years ago
The height of tower A is 854 feet more than Tower B. The two towers have a combined height of 1,662 feet. What are the heights o
Licemer1 [7]

Answer:

I dont know sorry. Ask Google

8 0
3 years ago
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