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4 years ago

5/6-2/5 in simplest form

Mathematics

1 answer:

DiKsa [7]4 years ago

7 0

Answer:

13/30

Step-by-step:

First, you find the common denominator, which is 30. For the first fraction, multiply the bottom by five. Since you do that, you have to multiple the top by 5 as well, giving you 25/30. For the second problem, you multiple the top and bottom by six giving you 12/30. 25 minus 12 is 13 so you get 13/30.

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Nth term formula? maths quickly

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2 years ago

How many times bigger is earth than mercury

irina1246 [14]

Answer:

Mercury has a diameter of 3,032 miles (4,879 km) making it a little more than one third the size of Earth.

If Earth were the size of a baseball, Mercury would be about the size of a golf ball. The diameter of Mercury is 4,879 km, which is approximately 38% the diameter of Earth. In other words, if you put three Mercury's side by side, they would be a little larger than the Earth from end to end. While this makes Mercury smaller than the largest natural satellites in our system – such as Ganymede and Titan – it is more massive and far more dense than they are.

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4 years ago

Please help ASAP I don’t wanna fail this test!!

Verdich [7]

Answer:

Step-by-step explanation:

5 0

3 years ago

You are selling cookies for your organization. One box of cookies is sold for $3. Thirty percent of the sale price goes to the b

choli [55]

A) Your organization gets half of the revenue after 30% is deducted. You get ...
(1/2)×($3 - 0.30×$3) = (1/2)×$3×0.70 = $1.05 for each box of cookies

B) If the number you must sell to earn $100 is represented by n, then you have
$1.05×n = $100
n = 100/1.05 ≈ 95.24
To earn $100 for your local chapter, you must sell 96 boxes of cookies.

7 0

3 years ago

A solid wooden toy is in the form of a hemisphere surmounted by a cone of same radius. The radius of hemisphere is 3.5cm and the

pshichka [43]

Answer:

Explanation below.

Step-by-step explanation:

Given: Radius of hemisphere = radius of cone = r = 3.5 cm

Volume of total wood used in making a toy = 166 ⅚ = 1001/6 cm³

Let h be height of a cone.

Volume of total wood used in making a toy = volume of hemisphere + volume of cone

(⅔) × πr³ + (⅓)π²h

= (⅓)πr²(2r + h)

1001/6 = (⅓) ×( 22/7) × (3.5)² × (h +2×3.5)

1001/6 = (⅓) ×( 22/7) × 3.5 ×3.5 ×( h+7)

1001/6 = (⅓) × 22 × .5 ×3.5 × (h +7)

1001 × 3 = 6 × 22 × .5 ×3.5 × (h+7)

h +7 = 1001 × 3 / (6 × 22 × .5 ×3.5)

h +7 = 1001 × 3 / 132 × 1.75

h +7 = 1001 × 3 × 100 / 132 × 175

h +7 = 91 × 3 × 4 / 12 × 7

h +7 = 91 × 12 / 12×7

h +7 = 13

h + 7 = 13 -7 = 6

Height of a cone(h) = 6

Height of the toy = Height of a cone + Height of a hemisphere

Height of the toy = 6 +3.5 = 9.5 cm

Curved surface area of hemisphere = 2πr²

CSA of hemisphere = 2 ×( 22/7) × 3.5 × 3.5

= 2 × 22 × .5 × 3.5 = 44 × 1.75 = 77 cm²

Rate of painting the hemispherical part of the toy = ₹ 10 per m².

Cost of painting the hemispherical part of the toy = 77 × 10 = ₹ 770 .

Hence, the Height of the toy is 9.5 m & Cost of painting the hemispherical part of the toy is ₹ 770.

4 0

3 years ago