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Oxana [17]
3 years ago
7

Which is reasonable?

Mathematics
1 answer:
DiKsa [7]3 years ago
4 0

Answer:

Length of the tour bus would be the 1.1×10^1 meters

width of the apple would be 4×10^0 centimeters

distance from earth to a satellite,2.8×10^13 kilometers

thickness of a human hair 9×10^1 micrometers

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They have a rectangle ABCD as shown below, where AB = 24cm BC = 10cm and AE = 13cm
alex41 [277]

Answer:

A. Area of ABCD = 240 cm^{2}

B. 60 cm

C. 36 cm

D. 50 cm

Step-by-step explanation:

Given: AB = 24cm BC = 10cm and AE = 13cm.

A.  Since a rectangle is a 2 dimensional figure, it has no volume but area.

So that,

the area of the rectangle ABCD = length x width

                                                     = 24 x 10

                                                     = 240 cm^{2}

B. To calculate the circumference of the BCD triangle, apply the Pythagoras theorem to determine BD.

BD^{2} = BC^{2} + DC^{2}

       = 10^{2} + 24^{2}

       = 676

BD = \sqrt{676}

     = 26

BD = 26 cm

so that,

the circumference of BCD = 10 + 24 + 26

                                         =   60 cm

C. To calculate the circumference of the BEC triangle,

AC = 26 cm, AE = 13 cm

CE = 26 - 13

     = 13 cm

CE = 13 cm

The circumference of the BEC triangle = 13 + 13 + 10

                                                                 = 36 cm

D. The circumference of the DEC triangle = 13 + 13 + 24

                                                                 = 50 cm

       

7 0
3 years ago
Ingrid dug a trench 18/20 of a meter long. The next day she dug 9/20 of a meter more of the trench. What is a reasonable estimat
lutik1710 [3]
Omg sorry i don’t really know i hope someone answers your question
6 0
3 years ago
Please help meeeeeeeeeeeeeee
stepladder [879]

Answer:

multiply it by 2

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Find the value of the following expression:
Phoenix [80]

(3^8 ⋅ 2^-5 ⋅ 9^0)^-2 ⋅ (2^ -2 / 3^3) ^4 ⋅ 3^28 =

(6561 * 0.03125 * 1)^2 * (0.00925)^4 * 22876792454961 =

42037.81348 * 0.00000000732094 * 22876792454961 =

7040477235.56798349

 round answer as needed

8 0
3 years ago
........................ ​
Oxana [17]

Answer:

what do u need help with?

Step-by-step explanation:

3 0
3 years ago
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