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ziro4ka [17]
3 years ago
14

A line has a slope of 2. It passes through the points (1, 2) and (3, y) . What is the value of y? y=

Mathematics
1 answer:
malfutka [58]3 years ago
4 0

Answer:

6

Step-by-step explanation:

To solve this , we use the equation of finding a slope wig a line.

m = (y2 - y1)/(x2 - x1)

From the question, we know that:

y2 = y

x2 = 3

y1 = 2

x1 = 1

m = 2

Hence,

2= (y - 2)/(3 - 1)

2 = (y - 2)/2

4 = y - 2

y = 2 + 4 = 6

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Match each polynomial in standard form to its equivalent factored form.
GREYUIT [131]

Answer:

  • 8x^3+1   ⇒   (2x+1)(4x^2−2x+1)
  • 2x^4+16x   ⇒   2x(x+2)(x^2−2x+4)
  • x^3+8   ⇒   (x+2)(x^2−2x+4)

Step-by-step explanation:

The factoring of the sum of cubes is ...

  a³ +b³ = (a +b)(a² -ab +b²)

1. a=2x, b=1

  = (2x)³ + 1³

__

2. There is an overall factor of 2x. Once that is factored out, a=x, b=2.

  = (2x)(x³ +2³)

__

3. a=x, b=2

  = x³ +2³

3 0
3 years ago
A 100 rupee note was changed to 10 and 5 rupee notes, 15 notes in all. How many of each notes?​
san4es73 [151]

Answer:

Total number of notes is 11.

Step-by-step explanation:

Value is 100 rupees…

5x + 20y = 100 and x + y = 11 are the two equations.

We can simplify…

5x + 20 y - 5x - 5y = 100 - 55 = 45

15y = 45 so y = 3

x = 11 - y = 8

So, we have 8 notes of 5 rupees denomination and 3 notes of 20 rupees denomination.

I hope it helps you.

4 0
3 years ago
Read 2 more answers
X^2 = -8x - 7 Rewrite the equation by completing the square. What are the solutions?
gladu [14]

1) rewrite the equation by completing the square

(X+4)^2=9

2) what are the solution to the equation

Answer A= X=-4 plus and minus 3

6 0
3 years ago
Simplify. Please and thank you.
Ivan
<span>Cancel <span>r2</span>
</span><span><span><span>(s4t)</span>/(</span><span>s<span>t3)</span></span></span>
2 <span>Use Quotient Rule: <span><span><span>xa/</span><span>xb</span></span>=<span>x^<span>a−b</span></span></span>
</span><span><span>s^<span>4−1</span></span><span>t^<span>1−3</span></span></span>
3 <span>Simplify <span>4−1</span> to 3
</span><span><span>s^3</span><span>t^<span>1−3</span></span></span>
4 <span>Simplify <span>1−3</span> to <span>−2</span>
</span><span><span>s^3</span><span>t^<span>−2</span></span></span>
5 <span>Use Negative Power Rule:<span><span>x^<span>−a</span></span>=<span>1/<span>xa</span></span></span>
</span><span><span>s^3</span>×<span>1/<span>t2</span></span></span>
6 <span>Simplify
</span><span><span>(s3)/(</span><span>t2)</span></span>
Done so the answer is a. then
8 0
3 years ago
Simplify each algebraic axpression 4y+6y+5x-2y<br><br><br>​
Mkey [24]

Answer:

8y+5x

If in the case you need any other help , let me know. [ You need to pay me] :) Thanks!

7 0
2 years ago
Read 2 more answers
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