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zhuklara [117]
4 years ago
8

David, Malachy and Paul share some sweets in the ratio 5:3:1. David gets 40 more sweets than Paul. How many sweets are there alt

ogether?
Mathematics
1 answer:
koban [17]4 years ago
7 0

Step-by-step explanation:

Let 5x, 3x and x be the shares of David, Malachy and Paul.

According to the given condition:

5x = x + 40

\therefore \: 5x - x = 40 \\ \therefore \:  4x = 40 \\  \therefore \: x = 10 \\  \\ total \: sweets  = 5x + 3x + x  \\ = 9x  \\ = 9 \times 10 \\   = 90

Hence, there are total 90 sweets

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Hello, I'm working on a project and I've been stumped.
kenny6666 [7]

a circle has 360 degrees

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 the central angle would be the angle between 2 of the cars

 so divide 360 by 32

360/32 = 11.25 degrees



4 0
3 years ago
Find the volume of a right circular cone that has a height of 8.8 cm and a base with a diameter of 18.6 cm. Round your answer to
andreyandreev [35.5K]

Answer: Volume = 796.6 cm³

Step-by-step explanation:

We would apply the formula for determining the volume of a cone which is expressed as

Volume = 1/3 × πr²h

Where

r represents the radius of the cone.

h represents the vertical height of the cone.

π is a constant whose value is 3.14

From the information given,

Diameter of cone = 18.6 cm

Radius = diameter/2

Radius = 18.6/2 = 9.3 cm

Height = 8.8cm

Therefore,

Volume = 1/3 × 3.14 × 9.3² × 8.8

Volume = 1/3 × 3.14 × 86.49 × 8.8

Volume = 796.6 cm³

8 0
3 years ago
Find the area of the shape​
Salsk061 [2.6K]

Answer: 12.5

Step-by-step explanation:

you go on the web and google area of trapezium

8 0
4 years ago
Read 2 more answers
The volume of a cone is 565.2 cubic inches. The height of the cone is 15 inches. What is the radius of the cone, rounded to the
PSYCHO15rus [73]

Answer:

Radius, r = 6 inches

Step-by-step explanation:

We have,

Volume of a cone is 565.2 cubic inches

Height of the cone is 15 inches

It is required to find the radius of the cone. Volume of a cone is given by :

V=\dfrac{1}{3}\pi r^2 h

r is radius of cone

r=\sqrt{\dfrac{3V}{\pi h}} \\\\r=\sqrt{\dfrac{3\times 565.2}{3.14\times 15}} \\\\r=6\ \text{inch}

So, the radius of the cone is 6 inches. The correct option is (b).

6 0
4 years ago
What is the perimeter of a rectangle with an area of 2x^2+11x+5 in^2?​
kirza4 [7]

Answer:

6x + 14

Step-by-step explanation:

Area = side x side

Factor the quadratic:

2x^2 +10x / +1x +5

2x(x+5) 1 (x+5)

(2x + 1) (x+5)

^These are your two sides

Perimeter =2L + 2W

(2(2x+1)) + (2(x+5))

4x+4+2x+10 = final answer 6x + 14

6 0
3 years ago
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