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2 years ago

Find all n in N that satisfy (2^n)-1 divisible by 9

Mathematics

1 answer:

zmey [24]2 years ago

7 0

Answer:

u can use the hit and trial method for this

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The ratio of red to green marbles is 3 to 2 there is 36 red marbles how many green marbles are there

nasty-shy [4]

Answer:

There are 24 green marbles.

Step-by-step explanation:

Let x be the number of green marbles, then:

3/2 = 36/x

3x = 2*36

3x = 72

x = 24.

7 0

2 years ago

What value of x makes the equation 3(x – 6) – 8x = –2 + 5(2x + 1) true? Explain your answer

GaryK [48]

Answer:

x = -7/5

Step-by-step explanation:

3( x - 6 ) - 8x = -2 + 5(2x + 1)

3x - 18 - 8x = -2 + 10x + 5

-5x - 18 = 3 + 10x

-5x - 10x = 3 + 18

-15x = 21

x = $-\frac{7}{5}$

3 0

1 year ago

A triangle has a base of 6 yards and a height of 9 yards. By how much does the height need to decrease for the area to decrease

ELEN [110]

3.5 yards

Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out

3 0

2 years ago

What is -3(-6+8)^3-2(1-3)^3

marin [14]

Assignment: $\bold{Solve \ Equation: \ -3\left(-6+8\right)^3-2\left(1-3\right)^3}$

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Answer: $\boxed{\bold{-8}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Follow PEMDAS Order Of Operations; Calculate Within Parenthesis

Note: $\bold{PEMDAS: \ Parenthesis, \ Exponents, \ Multiply, \ Divide, \ Add, \ Subtract}$

$\bold{-6+8: \ 2}$

[ Step Two ] Rewrite Equation

$\bold{-3\cdot \:2^3-2\left(1-3\right)^3}$

[ Step Three ] Calculate Within Parenthesis

$\bold{1-3: \ -2}$

[ Step Four ] Rewrite Equation

$\bold{-3\cdot \:2^3-2\left(-2\right)^3}$

[ Step Five ] Calculate Exponents

$\bold{2^3: \ 8}$

[ Step Six ] Rewrite Equation

$\bold{-3\cdot \:8-2\left(-8\right)}$

[ Step Seven ] Multiply

$\bold{2\left(-8\right): \ -16}$

[ Step Eight ] Rewrite Equation

$\bold{-24-\left(-16\right)}$

[ Step Nine ] Subtract

$\bold{-24-\left(-16\right): \ -8}$

[ Step Ten ] Rewrite Equation

$\bold{-8}$

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$\bold{\rightarrow Mordancy \leftarrow}$

8 0

2 years ago

He ride a bike for 15 miles oer hour how many miles did he ride

Klio2033 [76]

Yes it’s 15, Thats cool man

7 0

2 years ago

Find all n in N that satisfy (2^n)-1 divisible by 9​

Find all n in N that satisfy (2^n)-1 divisible by 9