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skelet666 [1.2K]
3 years ago
6

Find the sale price of the item. Round to two decimal places if necessary.

Mathematics
1 answer:
postnew [5]3 years ago
7 0

Answer: $61.60

Step-by-step explanation:

80 x .77 = 61.6

Hope this helps!

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You will use 220ft of fencing to fence a rectangular plot of land. The length is 20 more than the width. What are the dimensions
PSYCHO15rus [73]
Set up the following equations:

L + W = 110
L - W = 20

110 represents the lengths of the length and width of the triangle, as you'll divide total perimeter of the rectangle, 220, by 2 to find the individual lengths. 20 is the difference between the length and width.

We'll use elimination for this system of equations, as there are opposite coefficients for W in both equations. Combine the two equations:

2L = 130

Divide both sides by 2 to get L by itself:

L = 65

The length of the rectangle is 65 feet.

Plug this value into the second equation:

65 - W = 20

Add W to both sides:

65 = 20 + W

Subtract 20 from both sides:

45 = W

The width of the rectangle is 45 feet.
6 0
3 years ago
What is the distance between points (-2, 8) and (6, -2)? Round to the nearest tenth of a unit.
Mama L [17]
So you will have to find the difference between each number so 6--2=8 
and 8--2=10. So then I'm guessing you have to round 8 to 10. Sorry if this isn't all correct.
4 0
3 years ago
Find the area and perimeter
Ivenika [448]

Answer: area = 379.7 mm²

Perimeter = 95.84 mm

Step-by-step explanation:

The composite shape contains a semi circle and a trapezoid.

The area of a semi circle is

1/2 × πr²

Radius = diameter/2

Radius = 20/2 = 10 mm

Area = 1/2 × 3.14 × 10 = 15.7 mm²

Area of trapezoid is expressed as

1/2(a + b)h

Area = 1/2 × (20 + 32)14

Area = 1/2 × 52 × 14) = 364mm²

Area of the composite shape is

15.7 + 364 = 379.7 mm²

Formula for determining the perimeter of the semicircle is

1/2 × πd

Perimeter = 1/2 × 3.14 × 20 = 31.4mm

Looking at the attached photo, we would determine the slant height,h, by applying Pythagorean theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

h² = 12² + 14² = 340

h = √340/= 18.44

Perimeter of the composite shape is

31.4 + 14 + 32 + 18.44 =95.84 mm

7 0
3 years ago
All real numbers between -10 and 10
Eva8 [605]

Answer:

-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9 and any decimal number.

Step-by-step explanation:

4 0
3 years ago
What could be a possible solution to <br> 4x &gt; 24
mr_godi [17]

Answer:

x>6

hope it helps.........

7 0
2 years ago
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