2 years ago

What number must be added to the expression below to complete the square? x2+x

Mathematics

1 answer:

iren2701 [21]2 years ago

4 0

Answer:

answer is 1/4

Step-by-step explanation:

proof is (x-1/2)²= x²-2*1/2*x+1/4= x²-x+1/4

You might be interested in

Pls help asap !!!!!!!

Alex

Answer:

I think that the answer is 1 to1

6 0

2 years ago

<img src="https://tex.z-dn.net/?f=%20-%207%28x%20-%204%29%20%2B%203x%20-%2027" id="TexFormula1" title=" - 7(x - 4) + 3x - 27" al

sweet-ann [11.9K]

The answer is -4x + 1.

5 0

3 years ago

7x-6y=9 5x+2y=19 Solve the system using elimination.

ikadub [295]

Step-by-step explanation:

multiply 5x+2y=19 by 3 youll get 15x+6y=57

eliminate y

7x-6y=9

15x+6y=57 +

22x=66

x=3

substitute x to 5x+2y=19

15+2y=19

2y=4

y=2

4 0

2 years ago

Grade 10 math anyone?

Kisachek [45]

Answer:

6 years

Step-by-step explanation:

Here,

$I=60$

$P=200$

$R=0.05$

and we need to find $T$ .

So using the formula $I=PRT$ , we can find T by substituting the values

$60 = (200)(0.05)T$

$60=10T$

$T=\frac{60}{10} = 6$ years

8 0

2 years ago

Find a point-slope form for the equation of the line satisfying the conditions.

natulia [17]

Answer:

y-5=3/7(x-3)

Step-by-step explanation:

the 3/7 is a fraction

6 0

2 years ago

Read 2 more answers