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earnstyle [38]
3 years ago
14

I'm completely lost .. help would be greatly appreaciated

Mathematics
1 answer:
katrin [286]3 years ago
4 0
First you calculate the area of the triangle:
Area_{triangle} = \frac{base \cdot height}{2} = \frac{2 \cdot 3}{2} =3 square yards.
For the base and the height of the triangle you need to count how many squares it takes on the picture.

For the rectangle you need to calculate the length and the height first.
For each we are going to use the Pythagorean theorem:
Height^2 = 2^2 + 3^2
Height =\sqrt{4+9}=3.6055513 yards

Again count the numbers of squares for the triangle in which the rectangle's height is the hypotenuse.

We do the same for the Length of the rectangle:
Length^2 = 4^2 + 6^2
Height =\sqrt{16+36}=7.2111026 yards

Now we calculate the area of the rectangle:
Area_{rectangle} = Length \cdot Height = 3.6055513 \cdot 7.2111026 = 26 square yards.

The total material area to cover both is:
3 + 26 = 29 square yards



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Mike bought 2 3/4 pounds of riceHe wants to distribute it among bins that each hold 1/3 pound of rice. How many bins can he comp
KATRIN_1 [288]

Answer:

8 bins filled completely; remaining rice fills ⅓ bin.

Step-by-step explanation:

7 0
3 years ago
Tell whether the given number is a solution of each question. ( Must show work for credit)
guajiro [1.7K]

Answer/Step-by-step explanation:

1. 9 = 2a + 3 ; 3

Let's solve for a.

9 - 3 = 2a (subtraction property of equality)

6 = 2a

\frac{6}{2} = a (division property of equality)

3 = a

a = 3

Therefore, 3 is a solution to 9 = 2a + 3

2. 5n - (-30) = 5 ; 7

5n + 30 = 5 (- × - = +)

5n = 5 - 30 (Subtraction property of equality)

5n = -25

\frac{5n}{5} = \frac{-25}{5} (division property of equality)

n = -5

Therefore, 7 is not a solution of 5n - (-30) = 5

3. 4.4r - 2.8 = 1.6 ; 1

4.4r = 1.6 + 2.8

4.4r = 4.4

\frac{4.4r}{4.4} = \frac{4.4}{4.4}

r = 1

Therefore, 1 is a solution of 4.4r - 2.8 = 1.6.

5 0
3 years ago
4). Machine “B” can pack 11 boxes per minute. The factory receives an
Elena L [17]

Answer:

Amount of time would be greater than 95 minutes

Step-by-step explanation:

We are told that machine B can pack 11 boxes per minute.

Thus, this is 11x where x represents number of minutes.

We are told that the factory revives an order of over 1100 boxes and that it had already packed 55.

Thus,the inequality equation is;

11x + 55 > 1100

Solving this;

11x > 1100 - 55

11x > 1045

x > 1045/11

x > 95 minutes

6 0
3 years ago
The perimeter of a square is 24 4/9 in, and its side is 6 1/9 in. Find its area.
ra1l [238]
Area = side * side
Area of the square = 6 1/9 * 6/1/9
                                 = 36 1/81

7 0
3 years ago
Please can someone help thank you
aleksley [76]

Answer:

3:1

Step-by-step explanation:

240 necklaces in one month

180-sold on website

60- sold in shop

180:60

then you would simplify

so the final answer is 3:1

5 0
3 years ago
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