If 20 Sunday newspapers weigh 18 pounds, how many pounds do 30 Sunday newspapers weigh? 27 pounds 28 pounds 33 pounds 38 pounds

Mathematics

2 answers:

Dominik [7]3 years ago

7 0

I believe the answer is A 27 pounds.

I hope this helps :)

Arisa [49]3 years ago

6 0

If 20 papers weigh 18 lbs then 10 papers weigh 9 lbs.

9 lbs × 3 = 27 lbs for the 30 papers

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The perimeter of a square is equal to the perimeter of an equilateral triangle. The length of a side of the square is given by x

mars1129 [50]

We can use the equation $x=\frac{3}{4} y$ to find the length of the side of a square.

Solution:

Given that, the perimeter of a square is equal to the perimeter of an equilateral triangle.

The length of a side of the square is given by "x"

And the length of a side of the equilateral triangle is given by "y"

Finding the equation to determine value of "x"

The perimeter of a square with side "x" is given as:

$\text { perimeter of a square }=4 \times \text { side }=4 x$

Perimeter of a equilateral triangle with side "y" is given as:

$\text { perimeter of a equilateral triangle }=3 \text { side }=3 y$

Given that perimeter of a square = perimeter of an equilateral triangle

$\begin{array}{l}{\rightarrow 4 x=3 y} \\\\ {\rightarrow x=\frac{3}{4} y}\end{array}$

Hence, we can use the equation $x=\frac{3}{4} y$ to find the length of the side of a square.

3 0

2 years ago

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nevsk [136]

Answer:

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Step-by-step explanation:

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2 years ago

The segments shown below could form a triangle?

Leni [432]

Answer:

Option B; False

Step-by-step explanation:

Consider a Triangle Inequality to prove that these segments could form a triangle;

$| a - b | < c < a + b,\\| c - a | < b < a + c,\\| c - b | < a < b + c, Considering - a - segment AC ( 8 units ) - b - BC ( 7 units ), - c - BC ( 15 units )\\\\| 8 - 7 | < 15 < 8 + 7,\\1 < 15 < 15, Now 15 is not < 15, it is =, thus ;\\Solution ; False$