AutumnJoy12
14.12.2020 •
Mathematics
Morgan is making a square quilt with an area of 49 square feet for her nephew. The quilt is made out of square pieces that have a perimeter of 24 square inches. How many patches of material will Morgan need to complete the quilt for her nephew?
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Ответ:
196 patches
Step-by-step explanation:
We are told that the quilt is made out of square pieces that have a perimeter of 24 square inches.
This means that, length of one side = 24/4 = 6 inches.
Now since Morgan is making a square quilt with an area of 49 square feet for her nephew, let's convert 6 inches to ft.
6 inches = 6 × 1/12 = 0.5 ft
Thus, the area of a small quilt = 0.5 × 0.5 = 0.25 ft²
Number of patches = 49/0.25 = 196 patches
Ответ:
Part 1: x ≥ 17/9
Part 2: x is greater than or equal to seventeen ninths.
Part 3: using x= 3 and 4 respectively, the solution was verified
The complete statement related to this found on (ID: 2020133) is stated below:
Use the inequality to answer Parts 1-3.
-3(x - 2) ≤ one third
Part 1: Solve the inequality. Leave answer in terms of a whole number or reduced improper fraction.
Part 2: Write a verbal statement describing the solution to the inequality.
Part 3: Verify your solution to the inequality using two elements of the solution set.
Use a word processing program or handwrite your responses to Parts 1-3. Turn in all three responses.
Step-by-step explanation:
Part 1) The inequality: -3(x - 2) ≤ one third
-3(x - 2) ≤ ⅓
Multiply through by 3
-3(3)(x-2) ≤ 3(⅓)
-9(x-2) ≤ 1
Expand the bracket
-9x + 18 ≤ 1
Collect like terms
-9x ≤ 1-18
-9x ≤ -17
Divide through by coefficient of x (-9)
-9x/-9 ≤ -17/-9
When you divide an expression in inequality by a negative sign, the inequality sign changes
x ≥ 17/9
Part 2) the verbal statement of the solution:
x is greater than or equal to seventeen ninths.
Part 3) We would verify the solution to the inequality using two elements of the solution set greater than 17/9.
17/9 = 1.89
Let's use x= 3 and x = 4. As they are greater than 17/9
-3(x - 2) ≤ ⅓
When x= 3
-3(3 - 2) ≤ ⅓
-3(1) ≤ ⅓
-3 ≤ ⅓
This satisfies the solution of the inequality
When x= 4
-3(4 - 2) ≤ ⅓
-3(2) ≤ ⅓
-6 ≤ ⅓
This satisfies the solution of the inequality