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stira [4]
3 years ago
6

Solve the system by elimination -6x + 6y = 0 9x - 8y = 4

Mathematics
1 answer:
Art [367]3 years ago
4 0

Answer:

x=4, y=4

Step-by-step explanation:

X=(4+8y)/9

-6×(4+8y)/9 +6y=0

-2×(4+8y)/3+ 6y=0

-2×(4+8y) + 18y =0

-8-16y+18y=0

2y=8

y=4

-6x+6×4=0

-6x=-24

x=4

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The area of each circle is exactly
tekilochka [14]

Total area of the circle is 1.12π square inches.

<h3>What is Area of circle?</h3>

The Area of circle is π times the square of the radius.

i.e., A = πr²

Given:

Area of one circle = 0.56π

As the second circle is also identical then the area will be same.

So, the total area of circle is

=2* 0.56π

=1.12π square inches.

Learn more about area of circle here:

brainly.com/question/27950508

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4 0
2 years ago
PLEASE ANSWER ASAP IF YOU GET THE ANSWER
AfilCa [17]

Answer:

54

Step-by-step explanation:

5 0
3 years ago
Sam and Liam raced each other up and then down the hill. Sam's average speed up the hill was 1 mph, and his average speed down w
Furkat [3]

Answer:

Sam's time was 1 hour and 6.66 minutes (or 1 and 1/9 hours)

Liam's time was was 1 hour

So in conclusion, Liam was faster

Step-by-step explanation:

We got Sam's time by 1/1 because Sam was walking 1 mph and the length to reach the top of the hill is 1 mile. So it would take Sam 1 hour to walk 1 mile. Walking down the hill Sam's speed was 9 mph. So the equation would be 1/9. So you would get 1/9. 1/9 of 60 is 6.66 repeating.

For Liam it is pretty simple. Since he is going up the hill at 2 mph and the length of the bottom of the hill to the top is 1 mile, it would be 30 minutes. Repeat this for the top to the bottom and in total it would be 1 hour.

Hope this helps

3 0
3 years ago
PLS HELP WILL GIVE BRAINLIEST
Naddika [18.5K]

Answer:

y = 1/2x - 1

Step-by-step explanation:

The x value is divided by 2 and then has 1 subtracted from it.

also for future posts, put the question in the title that way people know what you need and can click if they know the answer.

3 0
2 years ago
What's 19/30 x 12/16?
mr Goodwill [35]
19/40 as a fraction and decimal it is 0.475
6 0
3 years ago
Read 2 more answers
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