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Ronch [10]
2 years ago
15

Help me pls I don’t under stand pls help

Mathematics
1 answer:
Elena-2011 [213]2 years ago
5 0

your answer is D hope this helps and mark for brainlest

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Find the discriminant of the equation. x2 + 3x - 4 = 0
ivann1987 [24]

Please use " ^ " to indicate exponentiation: x^2 + 3x - 4 = 0

Here, a = 1, b = 3 and c = -4.

The formula for the discriminant is b^2 - 4(a)(c).

Substituting the given values of a, b and c, we get:

(3)^2 - 4(1)(-4)

Evaluating this, we get 9 + 16 = 25.

The discriminant is 25.

-3 plus or minus √25

Taking this further, x = ------------------------------------

2

-3 plus or minus 5

or: x = -------------------------------- => {-4, 1} (solutions)

2

5 0
3 years ago
Read 2 more answers
2.74 as a mix number
Inga [223]

Answer:

2 74/100

Step-by-step explanation:

6 0
3 years ago
A line that is perpendicular to y=-2/7x+9y and that passes through the point (4, -6)
IrinaK [193]
--------------------------------------------------
Find Slope :
--------------------------------------------------
y = -2/7x + 9
Slope = -2/7
Perpendicular slope= 7/2

--------------------------------------------------
Find y - intercept :
--------------------------------------------------
y = mx + b
y = 7/2 x + b
At (4, -6)
-6 = 7/2 (4) + b
-6 = 14 + b
b = -6 - 14
b = -20

--------------------------------------------------
Form equation :
--------------------------------------------------
y = mx + b
y = 7/2 x - 20
2y = 7x - 40

--------------------------------------------------
Answer: 2y = 7x - 40
--------------------------------------------------

8 0
3 years ago
If you say that you can help me with homework then why can't I make a code to join and I had to pick one to send this sincerely,
Nataly_w [17]

Answer:

WHAT!!!!!!!

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
3 3/5 x 1 2/3 x 4 2/3
lukranit [14]
The answer would be 32/5 or 6 2/5 or 6.4

Hope this helps

Have a great day/night
3 0
2 years ago
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