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3 years ago

Create interview questions. Conduct three interviews. Answer them. Brainliest!

Mathematics

1 answer:

Igoryamba3 years ago

8 0

Answer:

1. Where are you from

2.why did you want to get this job/position

3.How are your language skills

Step-by-step explanation:

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PLEASE HELP!! It's due tomorrow and I don't understand it..

Mamont248 [21]

Do you need help with a specific one or all of them?

4 0

2 years ago

If 6x^4+8x^3-5x^2+ax+b is completely divisible by 2x^2-5 then find the value of a and b.

mixas84 [53]

Answer:

The value of $a = -20$

The value of $b=-25$

Step-by-step explanation:

Let

$p(x)=6x^4+8x^3-5x^2+ax+b$

and

$q(x)=2x^2-5$

As $q(x)$ is exactly divisible, so, the remainder is 0.

∴ $p(x)=q(x).g(x)+r(x)$

$6x^4 + 8x^3 - 5x^2 + ax + b = (\sqrt{2} x - \sqrt{5})(\sqrt{2} x + \sqrt{5}) g(x)$

As the R.H.S becomes 0 when $x = \sqrt{\frac{5}{2} }$ and $x = -\sqrt{\frac{5}{2} }$ .

And

by substituting $x = \sqrt{\frac{5}{2} }$

$6(\sqrt{\frac{5}{2} } )^4 + 8(\sqrt{\frac{5}{2} } )^3 - 5(\sqrt{\frac{5}{2} } )^2 + a(\sqrt{\frac{5}{2} } ) + b = 0$

$25 + 20( \frac{\sqrt{5}}{\sqrt{2}} ) + a( \frac{\sqrt{5}}{\sqrt{2}}) +b =0...[A]$

by substituting $x = -\sqrt{\frac{5}{2} }$

$25 - 20( \frac{\sqrt{5}}{\sqrt{2}} ) - a( \frac{\sqrt{5}}{\sqrt{2}}) +b =0.....[B]$

Adding Equation [A] and equation [B]

$50 +2b =0$

$b=-25$

Subtracting Equation [A] and equation [B]

$40(\sqrt{\frac{5}{2} } ) + 2a(\sqrt{\frac{5}{2} } ) =0$

$a = -20$

Therefore,

The value of $a = -20$

The value of $b=-25$

Keywords: equation, solution

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3 0

3 years ago

What is the value of X? (x + 11) (3x + 7)

kolbaska11 [484]

Answer:

im not sure if this is correct but:

Step-by-step explanation:

4x+18

360= 4x+18

360-18=342

342/4 is 85.5

to check work

(85.5*4) + 18

=360

4 0

4 years ago

Read 2 more answers

Is 0.09 greater than 0.7

chubhunter [2.5K]

No, 0.7 is greater than 0.09

0.70 > 0.09

hope this helps

3 0

4 years ago

Read 2 more answers

X^2-15x+54 can someone help me factor it

deff fn [24]

X^2 -15x +54 = 0 for you can factor it easy just you need getting two numbers with sum equal -15 and product equal 54

-15= (-9)+(-6) and (-9)*(-6)= -54 in this way will get

x^2 -15x +54 = (x-6)(x-9)

hope helped

8 0

4 years ago

Read 2 more answers