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shtirl [24]
3 years ago
6

What is 9x^2-24x+ 16

Mathematics
2 answers:
Anton [14]3 years ago
5 0
9X^2-24X+16=(3X-4)(3X-4)=(3X-4)^2
Rudik [331]3 years ago
3 0

Answer:

a

2

−

2

a

b

+

b

2

=

(

a

−

b

)

2

with  

a

=

3

x

and  

b

=

4

9

x

2

−

24

x

+

16

=

(

3

x

)

2

−

(

2

⋅

(

3

x

)

⋅

4

)

+

4

2

=

(

3

x

−

4

)

2

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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
Car leases generally allow only a certain number of miles to be driven. Myung’s lease included a charge of 25 cents per mile for
KengaRu [80]

Answer:

197

Step-by-step explanation:

Divide 1640 by 25

1640/25=65

Then multiply 65 and 3

65x3=197

6 0
3 years ago
Read 2 more answers
What is 5/16 written as a percent?
Rom4ik [11]
First, you divide the fraction, and then you multiply it by 100.
So you get:
\frac{5}{16} * 100
0.3125 * 100
31.25

So, 5/16 is 31.25% 

Hope this Helps! :)
7 0
3 years ago
List all number sets that apply to each number
kolbaska11 [484]

Answer:

45

2

03

16

26

224

Step-by-step explanation:

5 0
3 years ago
Which is the most accurate way to estimate 35% of 50?
Ksenya-84 [330]
A) is the anwser to the question
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