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SVEN [57.7K]
2 years ago
9

I need help someone please help me please

Mathematics
1 answer:
Butoxors [25]2 years ago
8 0

Answer:

AC = 13.3

Step-by-step explanation:

6+4 = AB

10 / 6 = AC / 8

AC = 13.3

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Do number 4 please DONT get it wrong or i block report, i really need help please :)
andriy [413]

Area of the figure = 30.28 m²

Solution:

The given image is splitted into two shapes.

One is rectangle and the other is semi-circle.

Length of the rectangle = 6 m

Width of the rectangle = 4 m

Area of the rectangle = length × width

                                    = 6 m × 4 m

                                    = 24 m²

Area of the rectangle = 24 m²

Diameter of the semi-circle = 4 m

Radius of the semi-circle = 4 m ÷ 2 = 2 m

Area of the semi-circle = \frac{1}{2} \ \pi r^2

                                      $=\frac{1}{2} \times 3 .14 \times 2^2

                                      =6.28

Area of the semi-circle = 6.28 m²

Area of the figure = Area of the rectangle + Area of the semi-circle

                              = 24 m² + 6.28 m²

                              = 30.28 m²

Area of the figure = 30.28 m²

3 0
3 years ago
Walking100
vredina [299]

Complete question :

The Venn diagram relating to the question can be found in the picture attached below :

Answer:

A.) 15 ; b.) 17 ; c.) 20 ; d.) 19 ; e.) 55 ; 67; 76 ;100 ; F.) 369

Step-by-step explanation:

Let :

Cars = C ; Motorcycle = M ; Tricycle = T ; Walking = W

a) How many students ride in a tricycle, motorcycle and car going to their school

Intersection of the 3 modes;

(C n M n T) = 15 ; it is the number which sits in between all the three circles.

B.) How many students ride in both a motorcycle and a tricycle?

(M n T) = 17 ; number in the middle of both circles representing motorcycle and tricycle

C.) How many students ride in both a motorcycle and a car?

(M n C) = 20 ; number in the middle of both circles representing motorcycle and Car

D) How many students ride in both a car and tricycle?

(C n T) = 19 ; number in the middle of both circles representing Car and tricycle

e.)How many students go to school

in a car only = 55

in a motorcycle only = 67

Tricycle only = 76

Walking = 100

F.) How many Grade Seven students of Koronadal National Comprehensive High School are there in all?​

(100 + 67 + 76 + 55 + 19 + 20 + 17 + 15) = 369

5 0
3 years ago
How to integrate cos^-2x . Question from Alevel Pure Maths 3 ​
VashaNatasha [74]

Answer:

I do think I can answer this

8 0
3 years ago
Please help! Will give Brainliest!<br><br> Identify the axis of symmetry of y = ( x - 7 ) ( x + 1 )
inysia [295]
The axis of symmetry would be X=3
3 0
2 years ago
Read 2 more answers
Please help! I'll rate 5 stars, if possible give brainliest, and give a thanks.
muminat

Answer:

2x+20 + x+40 = 180

Step-by-step explanation:

The angles are supplementary so they add to 180

2x+20 + x+40 = 180

3 0
3 years ago
Read 2 more answers
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