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mafiozo [28]
3 years ago
12

Find the area and perimeter

Mathematics
2 answers:
JulijaS [17]3 years ago
8 0

Answer: the perimeter is 40.1 feet

The area is 76 ft²

Step-by-step explanation:

The given shape contains a rectangle and a trapezoid.

The perimeter of a shape is the distance around the shape. Therefore, the perimeter of the given shape is

4 + 8 + 4 + 4.5 + 14 + 5.6 = 40.1 ft

The area of the rectangle is

8 × 4 = 32ft²

The formula for determining the area of a trapezoid is

Area = 1/2(a + b)h

Where a and b are the length of the opposite sides.

h represents the vertical height.

Area = 1/2(14 + 8)4

= 1/2 × 22 × 4 = 44ft²

Area of the shape is

32 + 44 = 76 ft²

Ulleksa [173]3 years ago
4 0

Answer:

Perimeter = 40.1 ft.

Area = 76 ft^2.

Step-by-step explanation:

The perimeter is the sum of the exterior sides.

The perimeter = 4 + 8 + 4 + 4.5 + 14 + 5.6

= 40.1.

The area = the area of rectangle + area of the trapezoid

= 8 * 4 + (8 + 14) * 4  / 2

= 32 + 44

= 76.

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Answer:

Step-by-step explanation:

Since A = 50 degrees, c = 10 ,and since it is a right Triangle, then C = 90 degrees and so B = 180 - (90 +50)......... sum of angles of a triangle

                            B = 180 - 140

                             B = 40 degrees

Using sine rule : a/sin A = b / sin B = c / sin C

To calculate a, then we use a/ sin A = c / sin C , since we know c and C

i.e a/ sin 50 = 10 / sin 90

recall that sin 90  = 1

then we have a / sin 50 = 10 / 1

cross multiply

a = 10 x sin 50

 a = 10 x 0.76604

  a = 7.6604

We will calculate b following the same procedure

b/ sin B = c / sin C

b/ sin 40 = 10/ sin 90

b/ sin 40 = 10/ 1

           b = 10 x sin 40

            b = 10 x 0.64279

             b = 6.4279

Therefore a ≈7.6604  , b ≈ 6.4279

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who

Step-by-step explanation:

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Javier participated in a local hot dog-eating contest. The graph below shows the number of hot dogs he ate. What is Javier's ave
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Complete the square to rewrite the equation in the form (x−h)2=p.
soldier1979 [14.2K]

Answer:

second option

Step-by-step explanation:

Given

x² - 6x - 33 = 0 ( add 33 to both sides )

x² - 6x = 33

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 3)x + 9 = 33 + 9

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what’s the answer and work for this??? SOMEONE PLEASEEEE TELLLLL MEEEE!!!!!
Cloud [144]

Answer:

ten scores in order: (Hint: These are in order)

81

81

  1. 82
  2. 84
  3. 85
  4. 86
  5. 89
  6. 93
  7. 94
  8. 95
  9. sum = 870
  10. mean = 870/10 = 87
  11. median 85.5 (5 above, 5 under)
  12. mode = 81 (there are two of them)

Hope this helped you solve the problem :)

Remember to type this correctly!

Found this on a website: jiskha.com/questions/1060894/the-test-score-for-a-math-class-are-shown-below-81-84-82-93-81-85-95-89-86-94-what-are

P.S Bad at Math.

Step-by-step explanation:

Skills needed: Addition Multiplication Division Data Sets

When you get a big set of data there are all sorts of ways to mathematically describe the data. The term "average" is used a lot with data sets. Mean, median, and mode are all types of averages. Together with range, they help describe the data. Definitions: Mean - When people say "average" they usually are talking about the mean. You can figure out the mean by adding up all the numbers in the data and then dividing by the number of numbers. For example, if you have 12 numbers, you add them up and divide by 12. This would give you the mean of the data. Median - The median is the middle number of the data set. It is exactly like it sounds. To figure out the median you put all the numbers in order (highest to lowest or lowest to highest) and then pick the middle number. If there is an odd number of data points, then you will have just one middle number. If there is an even number of data points, then you need to pick the two middle numbers, add them together, and divide by two. That number will be your median. Mode - The mode is the number that appears the most. There are a few tricks to remember about mode: If there are two numbers that appear most often (and the same number of times) then the data has two modes. This is called bimodal. If there are more than 2 then the data would be called multi-modal. If all the numbers appear the same number of times, then the data set has no modes. They all start with the letter M, so it can be hard to remember which is which sometimes. Here are some tricks to help you remember: Mean - Mean is the average. It's also the meanest because it take the most math to figure it out. Median - Median is the middle. They both have a "d" in them. Mode - Mode is the most. They both start with "mo". Range - Range is the difference between the lowest number and the highest number. Take, for example, math test scores. Let's say your best score all year was a 100 and your worst was a 75. Then the rest of the scores don't matter for range. The range is 100-75=25. The range is 25.

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3 years ago
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