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3 years ago

HELP TIMED TEST!!!

Mathematics

1 answer:

sdas [7]3 years ago

7 0

B is the correct answer

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Metallic silver has a density of 10.50. what is the mass, in g, of a silver ingot that is 28.0 cm long, 4.90 cm wide, and 3.60 c

frozen [14]

Answer:

5190 g

Step-by-step explanation:

Calculate the volume:

28.0 cm × 4.90 cm × 3.60 cm = 493.92 cm³

Density is mass divided by volume:

D = M / V

Solving for mass:

M = D V

Substituting values:

M = (10.50 g/cm³) (493.92 cm³)

M = 5186.16 g

Rounding to three significant figures, the mass is 5190 g.

3 0

3 years ago

PLEASE HELP WILL MARK BRAINLIEST<br> -SEE ATTACHMENT-

yuradex [85]

ANSWER

$(x - 5) ^{5} = {x}^{5} - 25 {x}^{4} + 250 {x}^{3} - 1250 {x}^{2} + 3125x- 3125$

EXPLANATION

From the Pascal's triangle,

The coefficients are :

1, 5, 10,10, 5,1

Because of the negative sign, the expansion will alternate sign.

$(x - y) ^{5} = {x}^{5} - 5 {x}^{4} y + 10 {x}^{3} {y}^{2} - 10 {x}^{2} {y}^{3} + 5x {y}^{4} - {y}^{5}$

We now put y=5 into the expansion to get,

$(x - 5) ^{5} = {x}^{5} - 5 {x}^{4} (5) + 10 {x}^{3} ( {5}^{2}) - 10 {x}^{2} ({5})^{3} + 5x( {5})^{4} - {5}^{5}$

$(x - 5) ^{5} = {x}^{5} - 25 {x}^{4} + 250 {x}^{3} - 1250 {x}^{2} + 3125x- 3125$

3 0

3 years ago

Read 2 more answers

How many km are equal to 3,400 m

Archy [21]

1 km = 1000 m

So

x km = 3,400 m

that means 3.4 km would be equal to 3,400 m

your final answer is

$\boxed{\bf{3.4~km}}$

3 0

2 years ago

How can we get to peace?

-BARSIC- [3]

Answer: Charmaine Diyoza: "Come on, Kane. Without graveyard McCreary, my internal problem is solved. Without the Red Queen, our problem external is. This is how we get to peace."

Step-by-step explanation: The 100

7 0

3 years ago

Read 2 more answers

The diagram shows a right-angled triangle.

crimeas [40]

Answer:

Maybe try 23-9. Or maybe the answer is 23, hopefully this helped.

Step-by-step explanation:

8 0

3 years ago