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umka2103 [35]
3 years ago
9

What is the quadratic formula?

Mathematics
2 answers:
kiruha [24]3 years ago
7 0
If you have
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
RideAnS [48]3 years ago
3 0
The quadratic formula is x= -b plus or minus the square root of b squared minus 4ac all over 2a
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Plz help asap.. I have no idea how to do this.
kondor19780726 [428]

Answer:

286

Step-by-step explanation:

Use term formula for +/-

Tn = a + (n-1)d

n= number of term

a= first number in sequence

d= difference between each number

T55 = 16 + (55-1)5

T55 = 16 + 270

=286

6 0
3 years ago
Read 2 more answers
Distribute: -3(4a-5b+c)​
kvv77 [185]

Answer:

I got it.

Step-by-step explanation:

-12a - (-15b) + (-3c)

4 0
3 years ago
The lengths in cm, of the sides of a triangle are 3x - 5, 2x-1 and x+1
Dennis_Churaev [7]

Answer:

a) p = 6x - 5

b) x = 6

Step-by-step explanation:

a) p = a + b + c

p = 3x - 5 + 2x - 1 + x + 1

p = 6x - 5

b) p = 6x - 5 =31

6x - 5 = 31

6x = 36

x = 6

3 0
2 years ago
Solve for x<br> C. 120<br> 2x<br> 3x<br> D. (2x+6)<br> X<br> 126
brilliants [131]

Answer:

x=32

Step-by-step explanation:

i took the test

4 0
2 years ago
SOMEONE HELP ASAP WHATS THE MISSING ANGLE
Lapatulllka [165]

Answer:

130

Step-by-step explanation:

? is an exterior angle of a triangle

An exterior angle is equal to the sum of the two opposite interior angles ( 35 and 95 in this case )

That being said the missing angle = 95 + 35

95 + 35 = 130

Hence, the answer is 130

7 0
2 years ago
Read 2 more answers
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