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GuDViN [60]
3 years ago
13

Please do 2a and 2b.

Mathematics
2 answers:
baherus [9]3 years ago
7 0

Answer:

Hey!  From your OHVA teachers, quit cheating using this website to get the answers. We know you are using this and it needs to stop.

Step-by-step explanation:

1) Attend help sessions.

2) Ask your teachers for help instead of cheating.

Oliga [24]3 years ago
3 0
2a) $6.00
20% of $30 is the same as 30 multiplied by .20

2b) the sale price is $6.00
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a chord of 12cm long of 8cm is away from the of the circle what is the lenght of the chord which is 6cm away from the centre
lana66690 [7]

Answer:

The length of the chord is 16 cm

Step-by-step explanation:

Mathematically, a line from the center of the circle to a chord divides the chord into 2 equal portions

From the first part of the question, we can get the radius of the circle

The radius form the hypotenuse, the two-portions of the chord (12/2 = 6 cm) and the distance from the center to the chord forms the other side of the triangle

Thus, by Pythagoras’ theorem; the square of the hypotenuse equals the sum of the squares of the two other sides

Thus,

r^2 = 8^2 + 6^2

r^2= 64 + 36

r^2 = 100

r = 10 cm

Now, we want to get a chord length which is 6 cm away from the circle center

let the half-portion that forms the right triangle be c

Using Pythagoras’ theorem;

10^2 = 6^2 + c^2

c^2 = 100-36

c^2 = 64

c = 8

The full

length of the chord is 2 * 8 = 16 cm

5 0
3 years ago
675/8 as a mixed number in simplest form.
Alex777 [14]

The answer is 84 3/8 because 672 and the left over 3 so it would be 84 3/8.

Hope I Helped!!!!!!!!

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8 0
3 years ago
Help me out with this question please :)
Vladimir [108]

Answer:

yt

Step-by-step explanation:

8 0
3 years ago
What is 4 multiplied by 5 7/9 as a mixed number or fraction
Andrei [34K]
The answer is 23 and 1÷9

First you multiply 4 by 5 and wind up with 20
Then you multiply four by 7÷9.
That gets you 28÷9
You take out all the nines you can from 28, three in this case.
That gets you 27÷9 + 1÷9
Your total thing is 20+27÷9+1÷9
That equals 20+3+1÷9
That equals 23 and 1÷9
8 0
3 years ago
Which ordered pair is a solution to this equation? 3x + 7y = 13 (4, 1) (3, 1) (13, 2) (2, 1)
MAVERICK [17]
<span>x = 2, y = 1
       
= 3*2 + 7*1
   
= 6+7
   
= 13
       
Hence, (2, 1) is the answer.</span>
8 0
4 years ago
Read 2 more answers
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