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leva [86]
3 years ago
8

What is the value of the expression -11/12-4/9+1/2

Mathematics
1 answer:
tatiyna3 years ago
8 0
-11/12 - 4/9 + 1/2 

LCD- 36 

Multiply 12 by 3, 9 by 4, 2 by 18 
Every Denominator would be 36 .. Then you multiply the Numerator with the numbers you multiplied the denominator with.. 

Fractions would be 

-33/36 - 16/36 + 18/36 =  -31/36  is what I got .
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Find BD.<br> help me pls
Anna [14]

Answer:

16

Step-by-step explanation:

We can see that Ar is the perpendicular bisector of chord BD. Since A is the center of the circle, AR is the radius of the circle, which is 10 (6+4)

Next, we can see that when we connect point A to point D, it is also a radius. Thus, AD is also equal to 10 as the radius of the circle remains the same.

Using Pythagoras theorem, a^2 + b^2 = c^2, we can make a right angled triangle of ACD.

AC = 6 = a

CD = ? = b

AD = 10 = c

10^2 = 6^2 + b^2

b^2 = 10^2 - 6^2 = 64

b = CD = 8

Now, since Ar is the perpendicular bisector of chord BD, BD = CD x 2

BD = 8 x 2 = <u>16</u>

5 0
2 years ago
The graph of a system of linear equations shows 2 lines with different slopes.
pochemuha

they are the same lines

x and y are the same

Step-by-step explanation:

i dont know for sure so bye god bless

4 0
3 years ago
Evaluate each expression below. <br> Click on "Undefined" as needed. <br> 0/9=<br> 3÷0 =
damaskus [11]
0/9 = 0 and 3/0 = undefined. Any number divided by 0 is undefined, while 0 divided by any number is just 0.
6 0
3 years ago
So I don’t really understand this so yeh pls help *pic included* by the way this is volume of cubes and cuboids and the question
faust18 [17]

Answer:

A2: 4*4*4 = 64 cm³; 6*6*6 = 216 cm³; etc...

B2: 7*4.5*4 = 126 cm³; 10.5*6*2 = 126 cm³; etc...

Step-by-step explanation:

So in A2 you have cubes, so l=b=h, and only one has to be given, called the "length of side".

In B2 they are different, hence there are 3 rows with l, b and h. But still you multiply them l x b x h

3 0
3 years ago
Geometry help please ;(
Crazy boy [7]
The answer would be a reason being sinangle= opposite/hypotenuse
if u shift ur phone and observe it is 12/13
8 0
3 years ago
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