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3 years ago

Please help! Show step by step! I will mark brainliest.

Mathematics

2 answers:

WARRIOR [948]3 years ago

8 0

(4,8) follow the point and order the domain and range lowest to highest

vfiekz [6]3 years ago

5 0

Answer:

G=( 3, 8 ) H= ( 6, 4, )

Step-by-step explanation:

i just looked at the chart. the dots for G and H are connected to little lines at the bottom of the graph and to the side. find out the numbers and write it like your supposed to write it.

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A beam of electrons with energies of 250 MeV is scattered through an angle of 100 by a heavy nucleus. It is found that the diffe

WITCHER [35]

Answer: The radii of atomic nuclei are of the order of 50×10^-15 to the negative 15th power.

4 0

2 years ago

Graph the line with the equation y=1/6x-7

d1i1m1o1n [39]

Answer:

Step-by-step explanation:

6 0

4 years ago

Ana drew a map of the Panama Canal. In the scale Ana used for the map, 4 centimeters represents 20 kilometers. The actual length

yawa3891 [41]

Answer:

Length of the canal on the map is 16.4 centimeters.

Step-by-step explanation:

If actual length of Panama Canal = 20 kilometers

and length of the canal on map = 4 centimeters

Then scale factor = $\frac{\text{Length of canal on map}}{\text{Actual length of canal}}$

= $\frac{4}{20}$

= $\frac{1}{5}$

If the actual length of Panama Canal = 82 kilometers

Then the length of canal on the map = Actual length × Scale factor

= $82\times \frac{1}{5}$

= 16.4 centimeters

Therefore, length of the canal on the map is 16.4 centimeters.

4 0

4 years ago

Hexagonal tiles of side 20 cm are used to tile a room which measures 6.25 m by 4.85 m. Assuming we complete the edges by cutting

ch4aika [34]

Answer: 292 tiles

Step-by-step explanation:

To find the number of tiles needed , we need to know the area of the hexagonal tiles and also the area of the room.

<u>Area of hexagon</u>

The area of hexagon is given as :

Area = $\frac{3\sqrt{3}}{2}$ $a^{2}$

Where a is the length of side.

Therefore:

A = $\frac{3\sqrt{3}}{2}$ $20^{2}$

A = $\frac{3\sqrt{3}}{2}$ X 400

A = (400 x 3 x $\sqrt{3}$ ) / 2

A = $\frac{2078.460969}{2}$

A = 1039.23 $cm^{2}$

Also to find the area of the room , we must first convert from m to cm

6.25 m = 6.25 x 100 cm

6.25m = 625 cm

4.85m = 485cm

Therefore: Area of the room = length x breadth

Area = 625 x 485

Area = 303125 $cm^{2}$

Therefore , the number of tiles needed = area of the room / area of hexagon

Number of tiles = 303125/ 1039.23

N = 291.6823032

Therefore , the number of tiles needed ≈ 292

4 0

4 years ago

Determine the domain and range of the given function.

frez [133]

Answer: domain is all real numbers and range is all real numbers greater than or equal to -2

Step-by-step explanation:

7 0

3 years ago