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posledela
3 years ago
6

5x - 8x + 9 = 2x + 39​

Mathematics
2 answers:
Alina [70]3 years ago
8 0
The answer to your question is -6
docker41 [41]3 years ago
4 0

Answer:

pliz send me the formula, only dsn I can solve your answer

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Write a number that is gratet than 1 in scientific notation explain how you knowit is grater than 1
sweet [91]

2 x 10^2 because 2 x 10^2 is 200 in standard form and 200 is greater than 1.


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What are inverse functions?
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If functions transfer some a to b via some formula, then inverse of such functions transfer b to a via some other formula.

Hope this helps.

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Is parallelogram ABCD a rectangle?
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No

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Which expression is equivalent to 18 1/5-(-22 2/5)-(-40 1/5)?
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4 0
3 years ago
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Two similar circles are shown. The circumference of the larger circle, with radius OB, is 3 times the circumference of the small
zheka24 [161]

Answer:

The circumference of the smaller circle is:

C =  2*pi*x/3

Step-by-step explanation:

We know that for a circle of radius R the circumference is given by:

C = 2*pi*R

where pi = 3.14...

Here we have two circles, A and B, where B is the larger circle and A is the smaller circle.

We know that:

The circumference of B is 3 times the circumference of A.

The radius of circle B is: OB = x

The radius of circle A is: OA

We want to find an expression of OA.

The circumference of circle B will be:

C(B) = 2*pi*OB = 2*pi*x

The circumference of circle A will be:

C(A) = 2*pi*OA

And we know that the circumference of circle B is 3 times the circumference of circle A, then:

C(B) = 3*C(A)

replacing the equations for the circumferences, we get:

2*pi*x = 3*(2*pi*OA)

dividing both sides by 2*pi, we get:

x = 3*OA

Now we want to solve this for OA, then we need to isolate it,

x/3 = OA

We can conclude that the radius of the smaller circle is equal to x/3.

Then the circumference of circle A is:

C(A) = 2*pi*x/3

5 0
2 years ago
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