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Firdavs [7]
3 years ago
11

Mary has a rectangular garden that she needs to buy soil for. The length of the garden can be represented by 5x-1, and the width

x^2+4. What expression represents the area of the garden so that she knows how much soil to purchase? plsss helppp!!!!!!!!!!!!!
Mathematics
1 answer:
Lera25 [3.4K]3 years ago
7 0

Answer:

A = (5x - 1) (x^2 + 4)

Step-by-step explanation:

Area = length × width

= (5x - 1) (x^2 + 4)

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Three consecutive even integers have a sum of -126. What is the smallest integer ?
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Answer:

-40, - 42 and -44

Step-by-step explanation:

The fastes way here is trying. Lets pick a number, intelligently, and then work on it.

We need three even integers that sum -126. These will be all negative numbers and as they are consecutive they will be very similar (for example, -33 and -35 and -37). Thus, lets start by 1/3 of -126, which is -42:

(-42)+ (-44) + (-46) = - 132, so -42 no.

Lets go a step back: -40

(-40) + (-42) + (-44) = -126

So, the integers are -40, -42 and -44

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