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Crank
3 years ago
11

Which of the binomials below is a factor of this trinomial? x² - 4x-12 ​

Mathematics
1 answer:
noname [10]3 years ago
5 0

Answer:

(x +2) (x-6)

Step-by-step explanation:

x^2 -6x + 2x + 12 =

x^2 -4x + 12

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PLS HURRY, I neeeedd helppppp
Sedaia [141]

Answer:

third option

r > 11

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hope it helps

4 0
2 years ago
Solve t/he system of linear equations given by x + y = 1 and ax − by = c, where a, b, c are real numbers. Note: The solution in
Phantasy [73]

Answer:

see explanation

Step-by-step explanation:

Given the 2 equations

x + y = 1 → (1)

ax - by = c → (2)

In (1) subtract y from both sides

x = 1 - y → (3)

Substitute x = 1 - y into (2)

a(1 - y) - by = c ← distribute left side

a - ay - by = c ( subtract a from both sides )

- ay - by = c - a ( multiply through by - 1 )

ay + by = a - c ← factor out y from each term on the left side

y(a + b) = a - c ← divide both sides by (a + b)

y = \frac{a-c}{a+b} ← substitute into (3)

x = 1 - \frac{a-c}{a+b} = \frac{a+b}{a+b} - \frac{a-c}{a+b} = \frac{a+b-a+c}{a+b} = \frac{b+c}{a+b}

8 0
2 years ago
the perimeter of a rectangular plot of land whoose length is 2x+15and width x-10m is 80cm find the area of x​
Mnenie [13.5K]

Answer:

x=25

the area of x squared is then 625

Step-by-step explanation:

3x +5 = 80

3x= 75

x=25

the area of x squared is then 625

5 0
3 years ago
In an examination it is required to get 40% of the aggregate marks to pass. A student gets 261 marks and is declared failed by 4
svetoff [14.1K]
The solution to the problem is as follows:

<span>→x− 4% (x) = 261</span>
<span><span>
→x − <span><span>4x/</span>100 </span>= 261

</span></span>I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
4 0
3 years ago
I’m not sure on how to do this so could you show me step by step?
likoan [24]

Answer:

yes

Step-by-step explanation:

So the circumfrehce of a circle is basically the perimiter of the circle. Let me help with number 1. We need to find the radius. In order to do tuis we divide 6 in half giving us 3. Then we plug in 3 into the circumfrence formula (Pi times the radius multiplied by 2). So it would be 3.14*3*2. The answer for number 1 is 18.85

5 0
3 years ago
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