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fomenos
3 years ago
5

I need help asap pleae find the area

Mathematics
1 answer:
grigory [225]3 years ago
7 0

Answer:

978.4 in²

Step-by-step explanation:

2 triangles:

2(½ × 8 × 4)

= 32 in²

2 slant rectangles on top

2(5.66 × 20)

= 226.4 in²

5 rectangles in the lower section:

2(10 × 8) + 2(10 × 20) + (8 × 20)

= 720

Total area:

32 + 226.4 + 720

= 978.4 in²

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4 years ago
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PLEASE HELP ME
kolbaska11 [484]

Scientific notation has 1 number to the left of the decimal and is multiplied by 10 raised to the number of spaces the decimal is moved.

A) 5.9 x 10 ^ 9

B) 4 x 10 ^ -2

C) 1 km = 100,000 cm

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5.9x 10^9 x 4x 10 ^3 = 2.4 X 10^13

3 0
3 years ago
If the circumference of a circle is increased by 50%, then its area will be increased by (a) 100% (b) 125% (c) 150% (d) 75%​
Svetradugi [14.3K]

Answer:

Hi, There!

Option B 125% Is the Most Accurate Answer

Step-by-step explanation:

Circumference is the distance around a plane shape. So, it also measures length.

Length and area of two similar shapes are related by the formula

\frac{A_{1} }{A_{2} } =(_{} \frac{I_{1} }{I_{2\\ ^{~2~} }}

Where the A in both cases represents area and the L represents length. But here the Ls will represent circumference.  

Since the circumference of the circle increased by 50%, then the new circumference becomes

l_{2} = l_{1} + 0.5l_{1} =1.5l_{1}

Now subtracting from the original area then  

2.25 - 1=1.25

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Hence option B is the correct answer

7 0
3 years ago
Which answer describes the calculations that could be used to solve this problem?
faltersainse [42]
D. Since we know that 1 ticket = $8 we would multiply to figure out how much 7 tickets were. (7x$8). And to figure out his change you would subtract the ticket amount from $100 :) Hope this helps
4 0
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What is the length of side angle AB of parrellelogram ABCD ?
zavuch27 [327]

\boxed{x=4cm}

<h2>Explanation:</h2>

A parallelogram is a quadrilateral that has two pair of opposite sides and each pair measure the same. In order to illustrate this problem, see the figure below. Here we know some facts:

  • Side AB measures x cm
  • Side DC measures 4 cm

By definition, opposite sides in any parallelogram measure the same, so AB and DC are opposite, therefore:

\overline{AB}=\overline{DC} \\ \\ \boxed{x=4cm}

<h2>Learn more: </h2>

Parallelogram: brainly.com/question/12524581

#LearnWithBrainly

7 0
3 years ago
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