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bulgar [2K]
1 year ago
5

Please help! Provide an answer with an explanation to my question & you will receive a 100 points for one question! :)

Mathematics
1 answer:
Natalija [7]1 year ago
8 0

Answer:

B

Step-by-step explanation:

Standard deviation is the average distance away from the mean, thus B is correct

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if 2 out of the 5 registered voters will cast a ballot in an election and there are 450,000 registered voters,how many people wi
weqwewe [10]

Answer:

180,000 people

Step-by-step explanation:

2/5= 0.4

0.4x450,000=180,000

8 0
3 years ago
Read 2 more answers
Marguerite is building a box from strips of wood.she needs 78 pieces of wood that are each 29 centimeters long.the wood comes in
dolphi86 [110]
Each strip is 29 cm

------------------------------------------------------
Change the m to cm
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6 m = 600 cm

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Find the number of strips for 1 6m-board
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Find the number of strips that can be cut from the 6m board.

600 ÷ 29 = 20 pieces remainder 20cm

So we can only cut 20 pieces of 29 strips from one 6m board.

------------------------------------------------------
Find number of boards needed 
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70 ÷ 20 = 3.5 

We need 3.5 of the 6m boards.

Since she can't have half a board, she has to buy 4 pieces of the board.

------------------------------------------------------
Answer: 4 pieces of the 6m board.
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7 0
3 years ago
What is the following product 3/x^2 4/x^3??
Alborosie

9514 1404 393

Answer:

  12/x^5

Step-by-step explanation:

The fractions are multiplied in the usual way. The applicable rule of exponents is ...

  (x^a)(x^b) = x^(a+b)

__

  \dfrac{3}{x^2}\cdot\dfrac{4}{x^3}=\dfrac{3\cdot4}{x^2\cdot x^3}=\dfrac{12}{x^{2+3}}=\boxed{\dfrac{12}{x^5}}

7 0
3 years ago
Show workings please
Alenkinab [10]

Answer: x = 21°

Step-by-step explanation:

37 + 4x + (3x - 4) = 180°   Original Equation

37 + 4x + 3x - 4 = 180°   Commutative Property of Addition

7x + 33 = 180°   Combine like terms

7x = 148°  Subtract 33 from both sides

x = 21°   Divide both sides by 7

8 0
3 years ago
Annies car used 100 cups of gasoline during a drive he paid $3.12 per gallon for gas. how much did the gas cost ?
VladimirAG [237]
The gas would have cost $19.50. Hope this helps :)
5 0
3 years ago
Read 2 more answers
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