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3 years ago

1/3 of a number represented as n

Mathematics

1 answer:

slamgirl [31]3 years ago

3 0

N/3 if thats what your looking for

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3x − 6y = –6 x = 2 solve using substitution.

nordsb [41]

Answer:

y=2

Step-by-step explanation:

First, you substitute x with 2.

3(2)-6y=(-6)

Then, you multiply:

6-6y=(-6)

Next, you subtract 6 from -6. So, the first 6 gets crossed out because of inverse of operation.

-6y=-12

Finally, you divide -6 to both sides of the equation to get y=2

3 0

2 years ago

Find the value of x. A. 60 B. 50 C. 40 D. 30

garri49 [273]

We can see that two sides of that triangle area equal

so, their corresponding angle will also be equal

now, we know that

sum of all angles in any triangle is always 180

so, we can get equation as

$x+100+x=180$

now, we can solve for x

$2x+100=180$

$2x=80$

$x=40$

so, option-C..............Answer

8 0

3 years ago

Read 2 more answers

Please help.

Archy [21]

Answer:

2π

Step-by-step explanation:

When a circle's radius is 1—called a unit circle—its circumference is 2π.

7 0

2 years ago

Read 2 more answers

54 ÷ (−6) A. 9 B. -9 C. -8

sp2606 [1]

Answer:

Option B, -9

Hope this helps!

6 0

3 years ago

katrin2010 [14]

Answer:

A ≈ 35.3 units²

Step-by-step explanation:

Calculate the radius CB using Pythagoras' identity in the right triangle.

CB² + AB² = AC²

CB² + 6² = 9²

CB² + 36 = 81 ( subtract 36 from both sides )

CB² = 45 = r²

Then area of quarter circle is

A = $\frac{1}{4}$ × πr² = $\frac{1}{4}$ × π × 45 ≈ 35.3

6 0

3 years ago