3 years ago

Factor this expression as a difference of squares: 4-(2a+3b)^2

1 answer:

7 0

The complete factorized expression is (2 + 2a + 3b) (2 - 2a + 3b).
Take a look at the attachment to see how I got this solution.

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When Legs jumps 2 times and takes 13 steps forward, he lands in the same place as when he jumps 4 times and takes 5 steps backwa

tangare [24]

Answer:

9 steps

Step-by-step explanation:

Let $x$ be the number of jumps

and $y$ be the number of steps

So the first case

$2x+13y$

Second case

$4x-5y$

Both cover equal distances so

$2x+13y=4x-5y$

$\Rightarrow 2x-4x=-5y-13y$

$\Rightarrow 2x=18y$

$\Rightarrow x=9y$

So, one jumps is 9 steps.

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3 years ago

Ram’s father is 38 years old. His age is three more than five times the age

omeli [17]

Ram is seven years old

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3 years ago

The diagram shows the distances, in feet, of paths between each farm animal. What is the total distance off the paths from the c

Ainat [17]

Answer:

Step-by-step explanation:

cow->chicken is 16

chicken->horse is 21

horse->pig is 7

pig->cow is 13

16+21+7+13=57

I know the distances from each animal to the other. I was asked to find the perimeter, because the distances of the paths create a quadrilateral.

7 0

3 years ago

Question Navigator

olga nikolaevna [1]

B is the correct answer.

5 0

3 years ago

15. The price of a ticket for your office Christmas party is $17.75. So far you've sold 28 tickets. How much money should you ha

Marina CMI [18]

17.75 x 28 = 497
you answer is C

5 0

3 years ago