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emmasim [6.3K]
3 years ago
11

Help me in e plz and then explain

Mathematics
1 answer:
horsena [70]3 years ago
4 0
You have to take a better picture
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Which of the following is a perfect square trinomial?
marissa [1.9K]

Answer:

a. x² + 10x + 25

Step-by-step explanation:

because

(x + 5)² = (x + 5)(x + 5) = x² + 5x + 5x + 25 = x² + 10x + 25

so, it is a perfect square of (x + 5).

4 0
1 year ago
X^2-5x+2 x 3x^2 +2x +3
Katen [24]

Answer:

3x^4 - 13x^3 - x^2 - 11x + 6.

Step-by-step explanation:

x^2-5x+2 x 3x^2 +2x +3

= x^2(3x^2 +2x +3)  - 5x(3x^2 +2x +3) + 2(3x^2 +2x +3)

=  3x^4 + 2x^3 + 3x^2 - 15x^3 - 10x^2 - 15x + 6x^2 + 4x + 6

Adding like terms:

= 3x^4 - 13x^3 - x^2 - 11x + 6.

5 0
3 years ago
To convert 0.73 hours into minutes which ratio would you multiply by. a 1 minute/ 60 hours
Serjik [45]
60 min / 1 hour. ...
4 0
3 years ago
1/9 of people in a class are left handed.
LenaWriter [7]

Answer:

left handed: right handed

1                     : 8

Step-by-step explanation:

1 out of every 9 people are left handed

9-1 = 8

That means 8 of the 9 are right handed

left handed: right handed

1                     : 8

3 0
3 years ago
What are the ordered pairs of thesolutions for this system of equations? f(x) = x^2 – 2x + 3; f(x) = -6x
babunello [35]

First you subtract the two equations

x^2-2x+3-6x

You simplify that and get

x^2+4x+3 = 0

Now we solve using the quadratic formula.

We get x = -1 and x = -3.

Now we find the y values by plugging the x values into the equation.

f(x) is the same as y.

y = (-1)^2 - 2(-1) + 3

y = 1+2+3

y = 6

Now for the other x value.

y = (-3)^2 - 2(-3) + 3

y = 9+9

y = 18

So the two ordered pairs are (-1,6) and (-3,18)

8 0
2 years ago
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