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Svet_ta [14]
3 years ago
9

An unknown substance is provided in a science class. It consists of particles that are different

Mathematics
2 answers:
natulia [17]3 years ago
7 0

Answer:

b a is the answer bea sue i don't know just looked it up

Step-by-step explanation:

Triss [41]3 years ago
6 0
An unknown substance is provided in a science class. It consists of particles that are different
colors and different sizes. The particles are unevenly distributed throughout the substance,
This substance is
A. an element
(B.) a compound
C. a homogeneous mixture.
D. a heterogeneous mixture.

an element would not have uneven distribution or different so B is correct
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Pls answer thank u:)​
Elina [12.6K]

Answer:

the answer is 48 your welcome

(2^2)^4 = 256

3^4 = 81

256 × 81 = 20735

27 × 16 = 432

20735÷432 = 47.99

round to 47.99 to the nearest 10th and you will get 48.

Lol

Final answer : 48

4 0
3 years ago
Read 2 more answers
Castel made a trip to the town hall and
ozzi

Answer: 360 hours

Step-by-step explanation:

40*5=200

32*5=160

200+160=360 hours

4 0
4 years ago
The cost of 10 oranges is 1.00 what is the cost of 5 dozen oranges
hammer [34]
The answer is 6 dollars, because first you do 1 dollar divided by 10 oranges, which equals 10 cents per orange. Then you do 5 times 12, because a dozen equals 12, which equals 60. Then you do 60 times 10, which equals 600, turn the answer into cents, which 600 cents, and then convert it to dollars. Then you would get an answer of 6 dollars.

PLZ VOTE AS BRAINLIEST!!!!! WOULD REALLY APPRECIATE IT!!! THX!!! :-D
4 0
3 years ago
There are ten balls in a bag. Three balls are black and seven balls are white. a One ball is chosen at random and then replaced.
pickupchik [31]

Answer:

Given:

  • Total balls = 10
  • Black balls = 3
  • White balls = 7

⇒ P(black ball) = 3/10 = 0.3

⇒ P(white ball) = 7/10 = 0.7

If one ball is chosen at random and <u>replaced</u>, the probabilities do not change between the first and second ball.

Let event D = first ball is black

Let event S = second ball is black

P(D) = 0.3

P(S) = 0.3  (since the first ball is replaced)

⇒ P(D ∩ S) = P(D) × P(S)

                   = 0.3 × 0.3

                   = 0.09

For Independent Events we know that:  P(A ∩ B) = P(A) × P(B)

Therefore, as P(D ∩ S) = P(D) × P(S) the events are independent.

3 0
2 years ago
A circle was cut from a metal plate. The entire area of the metal plate was 5x^2+12+10 the circle that is removed has an area of
sveta [45]

Answer:

4 (X + 1) (x + 2)

Step-by-step explanation:

metal plate: 5x²+12x+10

Circle removed: x²+2

Remain after circle removal: (5x²+12x+10) -(x²+2) = 4x² + 12x + 8

4x² + 12x + 8 = 4 (x² + 3x + 2) = 4 (X + 1) (x + 2)

5 0
3 years ago
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