MATHEMATICS MIDDLE SCHOOL

A number of miles driven this month was 30% decrease of the number of miles driven last month ?

Answers

Answer 1
Answer:

Answer:

70 miles driven this month

Step-by-step explanation:

This is an algebra problem and denote A number of miles driven this month as x to be found

  • 30 % decrease of x number of miles for this month
  • last month miles driven = 100 %
  • then 100 % /100% * 100 miles = 100 miles
  • thus this month = 100 % - 30 % = 70 %
  • then for this month in miles =  70 %/ 100 % * 100 miles = 70 miles
Answer 2
Answer:

Answer:

70 miles were driven this month

Step-by-step explanation:

suppose 100 miles were driven last month

30%= 30/100*100=30 miles

30% decreasewould be 100-30= 70 miles

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........ is the number of square units to cover the inside of a two dimensional shape

Answers

the answer is area....i think, yeah!

115.9% as a decimal?

Answers

To turn a percent into a decimal you have to move the dot 2 to the left.

115.9% = 1.159
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A 36 inch board is cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 5 times as long as the first piece. If X represents the length of the first piece, find the lengths of all three pieces

Answers

Answer:

First piece = 4 inch, second piece = 12 inch , third piece  = 20 inch

Step-by-step explanation:

Length of the board = 36 inch

Let, the length of the first piece = X

So, according to the question

Second piece = 3 times X  = 3x

Third piece = 5 times X = 5X

Now,  first piece + second piece  + third piece = total length of the board

⇒ X + 3X+ 5X = 36 inch

or, 9X = 36 inch

or, X = 36/9  = 4 inch

So, length of the : First piece = 4 inch

Second Piece = 3X = 3 x 4 = 12 inch

Third piece = 5X = 5 x 4 = 20 inch

On 34 acres of land, there are a total of 8,942 trees. If the trees are spread out evenly, how many trees are on each acre of land?

Answers

8,942/34
=263 trees on each acre of land
Hope this helped

Sue asked a total of 35 points in two games. She scored 6 times as many points in the second game as in the first how many more points did she score in the second

Answers

210 because 35 times 6 is 210 because if you break it apart 5 time 6 =30 bring the 3 times 6 is 18 add 3 from the 30 and you will get 21 and then add 0 to the end of 21 and you will get 210

how many centimeters are equal to 2 kilometers?

Answers

1km=1000m
1m=100cm
so:
2km=2*1000m=2*1000*100cm=200000cm
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