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vladimir1956 [14]
3 years ago
9

Find the area of the figure.

Mathematics
1 answer:
andriy [413]3 years ago
6 0

Answer:

3404800

Step-by-step explanation:

7 x 4 x 4 x 10 x 10 x 8 x 19 x 2 = 3404800

Hope this helps!!!

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Nelson purchased a 3 pound bunch
sveticcg [70]

Step-by-step explanation:

you would do 3 ÷ .99 and then when you get the answer from that you would multiply it by 5.

8 0
3 years ago
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An airline promotion to business travelers is based on the assumption that two-thirds of business travelers use a laptop compute
skad [1K]

Answer:

a

  The null hypothesis is  H_o  :  p =  0.67

   The alternative hypothesis is  H_a : p \ne 0.67

b

 The sample proportion is \^ p  =  0.65

Step-by-step explanation:

From the question we are told that

     The sample size is  n =  546  

      The number of people that use a laptop overnight is  k = 355

    The population proportion is  p =  \frac{2}{3}  =  0.67

   Generally

  The null hypothesis is  H_o  :  p =  0.67

   The alternative hypothesis is  H_a : p \ne 0.67

Gnerally the sample proportion is mathematically represented as

        \^ p  =  \frac{ k}{n}

=>     \^ p  =  \frac{ 355}{546}

=>     \^ p  =  0.65

4 0
4 years ago
I need help with this problem
Anarel [89]

The midpoint lines are half the opposite side length.

Line DE is given as 7 , So Line F = 7 x 2 = 14

Line EF is given as 12, so Line D = 12 x 2 = 24

Line DF is given as 16, so line E = 16 x 2 = 32


The perimeter is the sum of the 3 sides:

Perimeter = 14 + 24 + 32 = 70

6 0
4 years ago
Help please<br> Will mark ya as brainliest for most accurate answer plzz
just olya [345]

Answer:

57.06 unit^2

Step-by-step explanation:

find the area of the rectangle = 12*12 = 144 unit^2

the area of the circle = pi*r^2 = 3.14*8^2 = 201.06 unit^2 (rounded to the nearest hundredth)

then the "shaded area" is the difference

201.06 - 144 = 57.06 unit^2

7 0
4 years ago
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A penny is dropped from the top of the chrysler building(320 m high). How fast is it moving when it hits the ground?
Alborosie

Answer:

<u><em>As the penny falls 320 meters, its vertical velocity increases at the rate of 9.8 m/s each second. Use the following equation to determine its speed when it hits the ground.  </em></u>

<u><em> </em></u>

<u><em>vf^2 = vi^2 + 2 * a * d, vi = 0  </em></u>

<u><em>vf^2 = 2 * 9.8 * 320  </em></u>

<u><em>vf = √6272  </em></u>

<u><em> </em></u>

<u><em>This is approximately 79 m/s. I hope this helps you to understand how to solve this type of problem.</em></u>

Step-by-step explanation:

7 0
3 years ago
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