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ahrayia [7]
3 years ago
14

6. 12(30-12) 3 helpppp

Mathematics
2 answers:
satela [25.4K]3 years ago
7 0

Answer:

216

Step-by-step explanation:30-12=18 so 18 x 12=216 hope that helped

NemiM [27]3 years ago
3 0

Answer:

648 is your answer

Step-by-step explanation:

hope this helps!!

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Per
morpeh [17]

Answer:

5 11/13km

Step-by-step explanation:

4 ( 1 6/13)

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6 0
2 years ago
A right angled triangle has sides of length 9cm, 12cm and 15cm. Calculate its area in square centimetres.
Dmitriy789 [7]

The area of a right angled triangle with sides of length 9cm, 12cm and 15cm in square centimeters is 54 sq cm.

The formula to calculate the area of a right triangle is given by:

Area of Right Triangle, A = (½) × b × h square units

Where, “b” is the base (adjacent side) and “h” is the height (perpendicular side). Hence, the area of the right triangle is the product of base and height and then divide the product by 2.

We know that the hypotenuse is the longest side. So, the area of a right angled triangle will be half of the product of the remaining two sides.

Given sides of the triangle:

a=9cm

b=12cm

c=15cm

From this we know that the hypotenuse is c. Are of the triangle will be obtained by the other two sides.

∴Area = \frac{1}{2} x 9 x 12

= 54cm^{2}

5 0
1 year ago
The perimeter of a triangle is 27. Each side of the triangle has length 2x-3. What is the value of x?
Bezzdna [24]

Answer:

x=6

Step-by-step explanation:

To find the perimeter of the triangle you need to add up all the sides, so if all the sides are 2x-3 the equation will look like this;

2x-3+2x-3+2x-3=27

which when combining like terms will leave it to be;

6x-9=27

Than move all the factors besides x over to the right side;

6x-9+9=27+9

6x = 36

6x/6 = 36/6

x = 6

so your answer will be x=6

8 0
2 years ago
If you have two boxes,and in each box is 20 plates, how many boxes do you have
Free_Kalibri [48]
40 just multiply 20 by 2
4 0
3 years ago
Which model represents the equation below? Negative 4 x + (negative 2) = 3 x + (negative 5)
pogonyaev

Answer:

Slope of function B

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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