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3 years ago

3 divided by 3 over 4

Mathematics

1 answer:

Delvig [45]3 years ago

4 0

3 / 3/4 is the same as 3 x 4/3 which is 12/3 which equals 4

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Pedro is playing a game where he has to roll a fair number cube with faces labeled from 1 to 6. What is the probability that he

Rudiy27

Answer:

50%

Step-by-step explanation:

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3 years ago

If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 g/mol, how many sodium atoms a

Nonamiya [84]

8.2 grams = 1 mol
Na ________
22.99 grams

First multiply the value of 8.2 to 1. Then divide by the value of 22.99 to determine the number of moles of sodium present in the 8.2 gram sample.

Then use the following equation to solve for sodium atoms.

Number of moles of Na • Avogadro Number = Number of sodium atoms.

0.3566782 • (6.02 X 10^23). = 2.1472 X 10 ^ 23. Or 2.15 X 10 ^ 23.

The answer is the second option - 2.15 X 10 ^ 23.

7 0

3 years ago

Triangle PQR lies in the xy-plane, and the coordinates of vertex Q are (2, –3). Triangle PQR is rotated 180° clockwise about the

trasher [3.6K]

Answer:

(2,3)

Step-by-step explanation:

We are given that triangle PQR lies in the xy-plane, and coordinates of Q are (2,-3).

Triangle PQR is rotated 180 degrees clockwise about the origin and then reflected across the y-axis to produce triangle P'Q'R',

We have to find the coordinates of Q'.

The coordinates of Q(2,-3).

180 degree clockwise rotation about the origin then transformation rule

$(x,y)\rightarrow (-x,-y)$

The coordinates (2,-3) change into (-2,3) after 180 degree clockwise rotation about origin.

Reflect across y- axis the transformation rule

$(x,y)\rightarrow (-x,y)$

Therefore, when reflect across y- axis then the coordinates (-2,3) change into (2,3).

Hence, the coordinates of Q(2,3).

5 0

3 years ago

Eric owns and operates the hot food truck.The expression 3.25b+2h gives the cost of burgers and h hot dogs.What is the cost of 4

Nat2105 [25]

3.25(4)+2(6) --plug in values
13+12 --multiply
$25 --answer

5 0

3 years ago

Evaluate each expression when x = 8, and z = 10

sveticcg [70]

Answer:

x = 2

y = 4

z = 8

1. xy

2. x + z

3. z - y

4. x + y + z

14Step-by-step explanation:

7 0

2 years ago