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3 years ago

Round 4.0987 to the nearest 1/10

2 answers:

6 0

4.0987 rounded to the nearest tenth.

4.0987
^ This is the tenths place

Look at the number after it, if it's 5 or more, round up, if it's 4 or less, round down.

<span>It's 9, so we round up to 4.1</span>

diamong [38]3 years ago

5 0

I guess the working will depend upon how you're supposed to deal with fractions/decimals, but 1 = 10/10, so 4 = 40/10.

0.0987 rounded to the closest 1/10 or 0.1 is simply 0.1, so the final answer is 4.1 or 41/10.

There are many ways of working to this answer though.

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The radius of Circle A is 6 mm. The radius of Circle B is 4 mm greater than the radius of Circle A. The radius of Circle C is 2

labwork [276]

Answer:

Area of circle A =113.14 mm²

Area of circle b = 314.29 mm²

Area of circle C = 452.57 mm²

Area of circle A = 254.57 mm²

2.25 times

Step-by-step explanation:

Area of a circle = nr²

where n = 22/7

r = radius

Circle A's radius = 6mm

Circle B's radius = 6mm + 4mm = 10mm

Circle C's radius = 10mm + 2mm = 12mm

Circle D's radius = 12mm - 3mm = 9mm

Area of circle A = (22/7) x 6² = 113.14 mm²

Area of circle b = (22/7) x 10² = 314.29 mm²

Area of circle C = (22/7) x 12² = 452.57 mm²

Area of circle A = (22/7) x 9² = 254.57 mm²

Number of times the area of circle D is greater than that circle A = Area of circle D / Area of circle A

254.57 mm² / 113.14 mm² = 2.25 times

4 0

3 years ago

Does 25/60 and 8/20 form a proportion ?

notka56 [123]

Answer:

No.

Step-by-step explanation:

Change it so that both fractions would have the same denominator. Note that what you do to the denominator, you must also do to the numerator.

Multiply 3 to both the numerator & denominator of 8/20

(8/20)(3/3) = 24/60

24/60 ≠ 25/60 ∴ these 2 fractions are not proportional.

7 0

3 years ago

Michele is starting a new pool-cleaning business. It costs her $85 to purchase supplies. Michele charges $40 each time she clean

Alex787 [66]

Answer:

Option A : y = 40x - 85 is the correct answer.

Step-by-step explanation:

Given that:

Cost of purchasing supplies = $85

Cost charged for cleaning a pool = $40

Let,

x be the number of pools cleaned.

y be the profit

Profit = Cost of pools cleaned - purchase price of supplies

y = 40x - 85

Hence,

Option A : y = 40x - 85 is the correct answer.

8 0

3 years ago

Type the correct answer in the box. Use numerals instead of words. The height of a baseball, in feet, is represented by this exp

Rudiy27

Answer:

31 feet.

Step-by-step explanation:

It is mentioned in the question that

Height of baseball expressed in feet

T = time in seconds

Also

$h= -16t^2+64t+3$

Now the time is 3.5 so put this value to the above equation

h = -16(3.5)^2 + 64(3.5) + 3

= -16(2.25) + 224 + 3

= -196 + 227

= 31

Therefore the height of a baseball is 31 feet and the same is to be considered

7 0

3 years ago

7 Raja is laying tiles on a path that forms

ser-zykov [4K]

Answer:

The perimeter of the garden is 400 feet.

Step-by-step explanation:

Consider the provided information,

Raja is laying tiles on a path that forms the diagonal of a square garden. If Raja is told that the length of the diagonal path is $100\sqrt{2}$

The length of the diagonal of a square garden is $100\sqrt{2}$

Let x represent the side of square.

By Pythagorean theorem we know: $a^2+b^2=c^2$

Where c is hypotenuse.

The diagonal of the square divides the square into two right angle triangle.

Where, the sides of the square are the legs of the triangle and diagonal is the hypotenuse of the triangle.

$x^2+x^2=(100\sqrt{2})^2$

$2x^2=(100\sqrt{2})^2$

$x=100$

Hence, the side of the square is 100 ft.

The perimeter of the square is $4s$ where s is the side of square.

$4(100)=400$

Hence, the perimeter of the garden is 400 feet.

5 0

3 years ago