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Vsevolod [243]
3 years ago
15

(I will give brainliest. Please answer quickly)

Mathematics
1 answer:
ladessa [460]3 years ago
4 0

The first step to solve this problem is to find the area of the rectangular piece of fabric.

A of triangle = bh/2

A = (14 cm) (6 cm) /2

A = 84 cm^2 / 2

A = 42 cm

And since there are 31 pieces of the fabric, the total area of all the pieces of fabric is:

31 pieces of fabric x 42 square centimeters per piece = 1,302 square centimeters

To computer how many congruent triangular patches can be cut, you have to divide the total area of the fabric pieces with the area of the congruent triangle:

1,302 square centimeters / 21 square centimeters = 62

Therefore, Leia can cut 62 patches.

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(7-98)(7+98)
Fantom [35]

Answer:

Step-by-step explanation:

(7-98)(7+98)

= 7^2 - 98^2

= 49 - 9604

= -9555

6 0
3 years ago
Find the value of x? x=????
AnnyKZ [126]

Answer:

15.5

Step-by-step explanation:

The plus of two angles in the picture are 90 degrees: 37° + 53°

8 0
3 years ago
A vacant lot is being converted into a community garden. The garden and and a walkway around its perimeter have an area of 460 s
mariarad [96]

Answer:

The width of the walkway is 4 feet.

Step-by-step explanation:

The garden and a walkway around its perimeter have an area of 460 square feet.

The length of the garden = 15 feet

The width of the garden = 12 feet

Assuming that walkway is of uniform width, we can solve the following equation.

(12+2x)\times(15+2x)= 460

Expanding this we get;

4x^{2}+54x+180=460

=> 4x^{2}+54x-280=0

We will solve this using quadratic equation formula:

x=\frac{-b\pm \sqrt{b^{2} -4ac} }{2a}

Here a = 4 , b = 54 , c = -280

We get the roots as x = 4 and x = -\frac{35}{2}

Neglecting the negative value, we will take x = 4 feet.

Hence, the width of the walkway is 4 feet.

5 0
3 years ago
Giving 35 points.
Makovka662 [10]
Reflection over the y axis. Followed by a translation of 2 units down.
4 0
3 years ago
Read 2 more answers
What is the value for x?<br><br><br><br> Enter your answer in the box.
Leviafan [203]
The answer is 11.5 if your looking for x
7 0
3 years ago
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