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Sladkaya [172]
3 years ago
14

X squared + 3X -27/4 = 0

Mathematics
1 answer:
stepan [7]3 years ago
5 0

Answer:

Applying the quadratic formula.

Exact Form:

x=32,−92

Decimal Form:

x=1.5,−4.5

Mixed Number Form:

x=112,−412

Step-by-step explanation:

Solve the equation: x2 + 3x -27/4 = 0 With the coefficients: a = 1, b = 3, c = -6.75 a ≠ 0 With ∆ = 36> 0 => Equation has 2 distinct solutions

 x1 = 1.5, x2 = -4.5

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What factors of 32 add up to -12
irakobra [83]

Answer: -8 and -4

This is something you do through trial and error. Making a list or a table like shown below might help.

8 0
3 years ago
Simplify the expression.<br> -2.4f + 0.3f-16 - 3<br> -2.4f + 0.3f-16 -3=
laila [671]

Answer:

-2.1f-18

Step-by-step explanation:

-2.4f+0.3f=-2.1f.

-16-3=-19

3 0
4 years ago
A line passes through the points (8, –1) and (–4, 2).
Yuki888 [10]

Step-by-step explanation:

With the given points, we can first find the gradient of the line:

gradient = (2+1)/(-4-8)

= -1/4

We also know that the formula of a straight line is

Y = mX+C, where m is gradient and C is y intercept.

Hence by substituting the coordinates (-4, 2) and the gradient -1/4, we get:

2 = (-1/4)(-4) + C

<u>C = 1</u><u>.</u> Hence, Answer is C.

(Actually, you can just draw a straight line connecting the 2 coordinates and find out the y intercept)

8 0
3 years ago
2x + 5y = -24<br> 3x - 5y = 14
shutvik [7]
I hope this helps you



2x+5y+3x-5y=-24+14


5x+0=-10


x=-2



2. (-2)+5y=-24



-4+5y=-24



5y=-20



y=-4
5 0
4 years ago
Does the following relationship represent a function?
Tomtit [17]

Answer:

yes

Step-by-step explanation:

the output can have more than one input

the input cannot have more than one output

I hope this helps!!

6 0
3 years ago
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