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3 years ago

The sum of the squares of two consecutive positive even numbers is 340. Find the numbers.

Mathematics

1 answer:

elixir [45]3 years ago

4 0

12 and 14

12^2=144
14^2=196

144+196=340

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If f(x)=-4x^2-6x-1 and g(x)=-x^2-5x+3, fine (f-g)(x)

NeX [460]

Answer:

$\large\boxed{(f-g)(x)=-3x^2-x-4}$

Step-by-step explanation:

$(f-g)(x)=f(x)-g(x)$

$f(x)=-4x^2-6x-1,\ g(x)=-x^2-5x+3\\\\(f-g)(x)=(-4x^2-6x-1)-(-x^2-5x+3)\\\\(f-g)(x)=-4x^2-6x-1-(-x^2)-(-5x)-3\\\\(f-g)(x)=-4x^2-6x-1+x^2+5x-3\qquad\text{combine like terms}\\\\(f-g)(x)=(-4x^2+x^2)+(-6x+5x)+(-1-3)\\\\(f-g)(x)=-3x^2-x-4$

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3 years ago

6x-14<-14 or 3x+10>13

kow [346]

Step-by-step explanation:

not sure the question but I can solve the equations

6x-14<-14

6x<0

×<0

3x+10>13

3x>3

×>1

7 0

2 years ago

Helppp me i neeed help

dexar [7]

Total no. of buttons = 300 + 700 + 1000

+ 500 = 2500

Possibility for a person to pick a pink button = 300/2500 = (3/25)%

Amount of pink buttons she can expect her friends to pick = 50(3/25) = 6

She can expect to make 6 pink barrettes.

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3 years ago

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2 years ago

PLEASE HELP!!!!!!!! a2 - 10ab + 3b^2

Zielflug [23.3K]

Let's simplify step-by-step.

a2−10ab+3b2

There are no like terms.

Answer:

=a2−10ab+3b2

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3 years ago