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torisob [31]
3 years ago
6

I will give brainliest to the right answer<3

Mathematics
1 answer:
strojnjashka [21]3 years ago
7 0

Answer:

$25.5

Step-by-step explanation:

12.75 divided into 3 is 4.25 and then 4.25 times 6 gives you 25.5

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Issac earned $1800 last month. He put $270 into savings. What percent of his earnings did Issac put in savings?
xz_007 [3.2K]
Its 15% because you have to divide 270 by 1800
8 0
3 years ago
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This model of the backboard of a basketball goal is composed of a rectangle and a semicircle. What is the area of
irina1246 [14]

Answer:

deal with the rectangle first A = l X w

4 X 12 = 48 squared cm

semi circle

Area of a circle πr^2

12/2 = 6, radius = 6

π6^2 = 113.097335

113.097335/2 = 56.5486677

56.5 + 48 = 104.5 squared cm

3 0
2 years ago
Will give Brainly to anyone please help me ASAP
Goshia [24]

Answer:

308°

Step-by-step explanation:

It's a Reflex angle more than 180° but less than 360°.......hope this helps have a great day/night

6 0
2 years ago
What is the value of x ???
k0ka [10]

Answer:

D. 2\sqrt {133}

Step-by-step explanation:

{x}^{2}  =  {18}^{2}  + ( {12}^{2}  +  {8}^{2} ) \\  \\  {x}^{2}  = 324 + (144 + 64) \\  \\  {x}^{2}  = 324 + 204 \\  \\  {x}^{2}  = 528 \\  \\ x =  \sqrt{532}  \\  \\ x =  \sqrt{4\times 133}  \\  \\ x = 2\sqrt {133}

6 0
2 years ago
Dimensional analysis: How many atoms are in a kilogram of silver, if there are 6.02 x 10^23 atoms per mole and silver weighs 107
kondor19780726 [428]

Answer:

5.58×10²⁴ atoms.

Step-by-step explanation:

From the question given above, the following data were obtained:

1 mole of silver = 107.9 g

Number of atoms in 1 mole of silver = 6.02×10²³ atoms.

Number of atoms in a kilogram of silver =.?

Next, we shall convert 1 kg of silver to grams (g). This can be obtained as follow:

1 kg = 1000g

Therefore, 1 kg of silver is equivalent to 1000g.

Finally, we shall determine the number of atoms in 1 kg (i.e 1000 g) of silver as follow:

107.9 g of silver contains 6.02×10²³ atoms.

Therefore, 1000 g of silver will contain = (1000 × 6.02×10²³) / 107.9 = 5.58×10²⁴ atoms.

Thus, a kilogram of silver contains 5.58×10²⁴ atoms.

6 0
3 years ago
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