2 years ago

If the GFC of two number is 1, they are called relatively prime. Find three sets of relatively prime numbers

Mathematics

1 answer:

Ilia_Sergeevich [38]2 years ago

8 0

I think, 2, 5 and 7?

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What is the sum of the geometric sequence −4, 24, −144, ... if there are 8 terms?

Helga [31]

Answer:

The sum of 8 geometric sequence is 959780

Step-by-step explanation:

We are given

this sequence is geometric

-4 , 24 , -144

First term is -4

so, $a_1=-4$

now, we can find common ratio

$r=\frac{24}{-4}=-6$

we can use formula

$S_n=a_1(\frac{1-r^n}{1-r} )$

n=8

now, we can plug values

$S_8=-4(\frac{1-(-6)^{8}}{1+6} )$

now, we can simplify it

and we get

$S_8=959780$

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3 years ago

Two pupils each drew a triangle with one side of 6 cm , one side of 10 cm and one side of 7 cm. Must their triangles be congruen

7nadin3 [17]

Answer:

Step-by-step explanation:

they can be either side because the numbers are different in the angles

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2 years ago

Solve the following system:

Angelina_Jolie [31]

You can rewrite the second equation because you know what y equals, so you can write it as 2x + x + 3 = 9
3x + 3 = 9
- 3
3x = 6
÷ 3
x = 2

And now you use the equation of what y equals and substitute in the value of x, so y = 2 + 3
y = 5

So your final answer is A. (2, 5). I hope this helps!

7 0

3 years ago

What will be the answer for this? Please help me, please and thank you

Shkiper50 [21]

Answer:

10:1

Step-by-step explanation:

When you cross multiply the fractions together, you should get 30:3. When you simplify that, you get 10:1 as your answer.

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3 years ago

Create a list of 5 potential jobs that students of meteorology can obtain.

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