PLEASE HELP!? Not that hard.

2 answers:

8 0

Y = 4x - 1

// Plug this in for variable y in equation [1]

[1] 20x - 5•(4x-1) = 5
[1] 0 = 0 => Infinitely many solutions

frez [133]3 years ago

6 0

Infinite solutions…you can plug both into desmos graphing calculator and check

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Lucinda wants to build a square sandbox, but she has no way of measuring angles. Which of the following explains how she can mak

Sati [7]

All of the angles should be the same because a square has all equal angles and side lengths.

6 0

3 years ago

Please help me with this question.

Rasek [7]

The answer is 4,000 ft squared because since the sides are 100 ft and 80ft then we need to multiply them which is 8,000 then divide that by 2 since it’s a triangle which is 4,000 ft squared.

6 0

3 years ago

Will mark as Brainliest...

tatiyna

Answer:

280 ft squared

Step-by-step explanation:

To find the area of the nonshaded portion, we can find the area of the entire floor and then subtract the shaded area.

The total area is that of a rectangle: 30 * 15 = 450 ft squared.

Now, the shaded region is made up of a rectangle and a triangle.

- The rectangle has length 8 and width 10, so its area is 10 * 8 = 80 ft squared.

- The triangle has base 12 and height 15, so using the area of a triangle formula: $A=(bh)/2$ (where b is the base and h is the height) = (12 * 15)/2 = 180/2 = 90 ft squared.