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Hitman42 [59]
3 years ago
11

Y2-2y+6 for y=2is who did first is the brainliest and you will be followed only the first person

Mathematics
2 answers:
shusha [124]3 years ago
3 0

Answer:

<h2>6</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • algebra
  • PEMDAS
<h3>given:</h3>
  • y²-2y+6
  • y=2
<h3>let's solve:</h3>
  1. substitute the value of y:2²-2.2+6
  2. simplify exponent:4-2.2+6
  3. simplify multiplication;4-4+6
  4. simplify addition:4+2
  5. simplify addition:6
Mila [183]3 years ago
3 0

Answer:

6

y2-2y+6

since y= 2

22-22+6

=6

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vova2212 [387]

The square of a binomial expands as follows:

(a+b)^2=a^2+2ab+b^2

Expanding all the binomials, we have

4k^2-36k+81+k^2+4k+4=4k^2+4k+1+k^2-16k+64

Sum like terms:

5k^2-32k+85=5k^2-12k+65

Simplify terms appearing on both sides:

-32k+85=-12k+65

Move all terms involving k to the left and all numbers to the right:

-20k=-20

Divide both sides by -20:

k=1

6 0
3 years ago
Which equation represents a line with a slope of -2/3 that passes through point (5, -2)?
serg [7]

Answer:

c) 2x + 3y = 4

Step-by-step explanation:

−2 = −⅔[5] + b

−3⅓

1⅓ = b

y = −⅔x + 1⅓

Then convert to Standard Form:

y = −⅔x + 1⅓

+⅔x + ⅔x

__________

⅔x + y = 1⅓ [We do not want fractions in our Standard Equation, so multiply by the denominator to get rid of it.]

3[⅔x + y = 1⅓]

2x + 3y = 4

* 1⅓ = 4⁄3

I am joyous to assist you anytime.

8 0
3 years ago
At a restaurant there is 7% sales tax. If the bill was $8.64, how much would he be owed in total?
Andreas93 [3]
Ok, so in order to get tax on something you multiply the amount by the amount of tax in decimal form and then add back the original amount. So for this, you'd start with 8.64*0.07, which equals 0.6048. This rounds to 0.60. 8.64+0.60=9.24

So, he would owe $9.24 total.
3 0
3 years ago
Please help I don’t understand 6 - z+3y+5x^2
ale4655 [162]

Answer:

what is the complete question?

6 0
2 years ago
When drawn in standard position, in which quadrant does the terminal side of the angle −240° lie?
valina [46]

Answer:

Option (2)

Step-by-step explanation:

All angles are positive when measured counterclockwise from the x-axis.

Terminal side of 240° degrees when measures counterclockwise will lie in the 3rd quadrant.

But the angle is -240°.

That means angle is being measured clockwise from the x-axis.

Therefore, terminal side of the of the angle will be in the 2nd quadrant.

Option (2) will be the correct option.

3 0
3 years ago
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