MATHEMATICS HIGH SCHOOL

Which of the following is the least? A.0.105
B.0.501
C.0.015
D.0.15 
I don't need an answer i need an explanation

Answers

Answer 1
Answer: Starting at the decimal point ...

-- Look at all the digits in the first place after the decimal point.
Find the smallest one.  If more than one number has that digit
in the first place, then keep those, discard the others, and ...

-- Look at the digits in the second place after the decimal point.
Find the smallest one.  If more than one number has that digit
in the second place, then keep those, discard the others, and ...

-- Look at the digits in the third place after the decimal point.
Find the smallest one.  If more than one number has that digit
in the third place, then keep those, discard the others, and ...

-- Look at all the digits in the fourth place after the decimal point.
Find the smallest one.  If more than one number has that digit in
the fourth place, then keep those, discard the others and ...
.
.
.
etc.

Keep going until you have only one number left.  That's the smallest one,
out of the entire original list.

In the example you gave, the smallest digit in the first place after the decimal point
is the '0', and choice-'C' is the only one that has it.  So choice-'C' is the least, and
you don't need to go any farther.

Here's another one to practice on.  It needs the whole procedure that I wrote out,
but now it should be easy for you:

0.1234607
0.1234915
0.1234095
0.1234017
0.1234184
0.1234521
Answer 2
Answer: C, because if you look at the 10ths place you want the lowest number- and so 0 is the least so that's the lowest number ! 

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The perimeter of a rectangular piece of land is 280m. People divide the land into two small pieces: a square, a rectangle. The total perimeter of the two small plots is 390m. Calculate the area of ​​the original piece of land.

Answers

Step-by-step explanation:

Length of the Rectangular piece of the land = 12 + 1/2 m = 25/2 m

Breadth of the Rectangular piece of the land = 5 + 1/5 m = 26/5 m

If 4 small square flower bed of side length 1 m are made at center.

To find: Area of the rectangular land , Perimeter of the rectangle and Area of land left when flower bed are mad.

Perimeter of the rectangle = 2 × ( length + breadth )

= 2 × ( 25/2 + 26/5 )

= 2 × ( 177/10 )

= 177/5 m

= 35.4 m

Area of the rectangular land = Length × Breadth

= 25/2 × 26/5

= 5 × 13

= 65 m²

Area of a flower bed = side × side = 1 × 1 = 1 m²

Area of 4 flower bed= 4 × 1 = 4 m²

Area left in the land = 65 - 4 = 61 m²

Therefore, Perimeter of the land is 35.4 m

Area of land is 65 m²

Area of the land left after flower beds is 61 m²

Evaluate each expression. name the property used in each step.
2+6(9-3•3)-2

Answers

2+6(9-3*3)-2 

2+6*(9-9)-2 

2+6*0-2 

2+0-2 

= 0
PEMDAS
(9-3) (6x3)
2+6(18)-2
2+6
8(18)-2
144-2
142

you have 160 yards of fencing to enclose a rectangular region. find the maximum area of the rectangular region

Answers


I know that for a fixed perimeter, the shape that encloses the greatest area
is a circle, and the rectangle that encloses the greatest area is a square. 
Sadly, I don't know how to prove it to you without Calculus.

If you'll take my assertion that the greatest rectangle is a square, and accept
it on faith, then you should use your 160-yd of fence to enclose a square with
40-yd sides.  The area inside it is (40 x 40) = 1600 square yards.

Here are some other choices. 
Each one has the same perimeter ... 160 yards.
This table kind of suggests to you that a square is the rectangle
       with the greatest area.  (But it doesn't prove it.)

Length         Width         Area
  35-yd           45-yd         1,575 square yards              
  30                50              1,500
  25                55              1,375
  20                60              1,200
  15                65                 975
  10                70                 700
    5                75                 375
    3                77                 231
    2                78                 156
    1                79                   79
  2-ft           79-yd 1-ft           52.89
  1-ft           79-yd 2-ft           26.56
  1-inch      79-yd 35-in          2.19 square yards

With the same 160-yd of fence, you could have squeezed in some more
area by setting the fence down in a circle with circumference = 160-yd.
The area inside the circle would be

       Area = (pi) (radius)² = (circumference)² / (4 pi) = 2,037.2 square yards

The area of a circle is always (4 / pi) times the area of the square with the
same perimeter.  That's about 27.3% more area than the square.
To optimize the area, the shape should be a square.  Clearly, with 160 yards of fencing, the square will have side-length 160/4=40 yards.  Therefore, the area will be 40*40=1600 yards.

Select the mathematical terms that mean "opposite of."

Answers

Step-by-step explanation:

reciprocal ; negative ; additive inverse ; and multiplicative inverse . Explanation: The opposite of a number in is a negative. The number we can add to a number to get 0, or the opposite of a number as far as addition goes, is its additive inverse

Answer:

inverse

Step-by-step explanation:

hope this helps:)

Which statement describes the graph of the system of equations below?1.5x + 0.2y = 2.68

1.6x + 0.3y = 2.98


The lines are parallel.

The lines overlap at all points.

The lines intersect at (1.6,1.4).

The lines intersect at (3.1,0.5).

Answers

In order to see the behavior of the line formed from the equations, we write the given equation in general form which is y=mx+b

1.5x + 0.2y = 2.68 --> y= -7.5x + 13.4

1.6x + 0.3y = 2.98 --> y= -5.33x + 9.93

They definitely are not parallel lines and do not overlap at all points. Plotting the equations in a graph, an intersection is observed. This intersection most likely is the third option. The lines at (1.6, 1.4).

Answer

2

taskmasters

In order to see the behavior of the line formed from the equations, we write the given equation in general form which is y=mx+b

1.5x + 0.2y = 2.68 --> y= -7.5x + 13.4

1.6x + 0.3y = 2.98 --> y= -5.33x + 9.93

They definitely are not parallel lines and do not overlap at all p

Alvin is 5 years younger than elsa. the sum of their ages is 93. what is elsas age

Answers

Answer:

49

Step-by-step explanation:

Given:

Alvin is 5 years younger than Elsa, and the sum of their ages is 93.

  • Let x represent Elsa's age, so Alvin's age would be x - 5 because he is 5 years younger.

x + x - 5 = 93

  • Add like terms.

2x - 5 = 93

  • Add 5 to both sides.

2x = 98

  • Divide both sides by 2.

x = 49
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Rewrite the expression in the form a^n a^5xa^-3
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