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2 years ago

Find the next number in the sequence: 1, 1, 2, -1, 1, -2, -1

Mathematics

1 answer:

Hoochie [10]2 years ago

4 0

answer:-1

reason :

Once the numbers add up, once they decrease

what does it mean?

it mean that:

The first and second numbers we add are one, they become two

The second and third numbers are one and two. We subtract the second number from the third number, it becomes negative one and ...

1+1=2

1-2=-1

2+(-1)=1

-1-(+1)=-2

1+(-2)=-1

so we should - them

-2-(-1)=-1

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Solve for x. 5(x – 10) = 30 – 15x

SIZIF [17.4K]

Hey!

The first step to solving this problem would be to distribute the parenthesis. We do this so that we can get rid of the parenthesis.

Original Equation :
5 ( x - 10 ) = 30 - 15x

New Equation {Changed by Distribution} :
5x - 50 = 30 - 15x

The next step would be to 50 to both sides. The reason we do that is to get rid of the 50 that is on the left side of the equation.

Old Equation :
5x - 50 = 30 - 15x

New Equation {Changed by Adding 50 to Both Sides} :
5x = 80 - 15x

And now we would add 15x to both sides to get rid of the -15x on the right side of the equation.

Old Equation :
5x = 80 - 15x

New Equation {Changed by Adding 15x to Both Sides} :
20x = 80

Now we divide both sides by 20 to get x on it's own.

Old Equation :
20x = 80

New Equation {Changed by Dividing Both Sides by 20} :
$\frac{20x}{20}$ = $\frac{80}{20}$

Finally, all we have to do is solve to find x.

Old Equation :
$\frac{20x}{20}$ = $\frac{80}{20}$

Solution {Old Equation Solved} :
x = 4

So, in the equation 5 ( x – 10 ) = 30 – 15x, x = 4.

Hope this helps!

- Lindsey Frazier ♥

3 0

3 years ago

Read 2 more answers

HELP SOMEONE PLEASE!!!!!!!!!!!!!!!!!!!

omeli [17]

Answer:

3/10

Step-by-step explanation:

The question asks for the probability of finding 4 or more, so first, you must add up all of the teenagers that have 4 or more shoes. Both the 4 and 5 categories fit, so add 20 and 10. Then, find the total number of people in the sample size. Overall, 100 teenagers are represented. Finally, put the number of people that have 4 or more shoes, 30, over the sample size, 100. This equals 30/100 which should be simplified to 3/10.

6 0

3 years ago

If A=4x²+7x-1 and B= -x²-5x+3, then what is 3/2A-2B?

STALIN [3.7K]

Answer:

D) it the only one that satisfies the relation for both x = 0 and x = 1

Step-by-step explanation:

4 0

3 years ago

PLS HELP DUE ASAP! WILL MARK BRAINLIEST

snow_tiger [21]

Answer:

24º

Step-by-step explanation:

C = (1/2)(56 + 116)

C = 86

4x - 10 = 86

4x = 96

x = 24

3 0

2 years ago

Identify the type of solution represent by f(x) =3(1.5)x

V125BC [204]

Answer: Exponential growth.

Step-by-step explanation:

1. You have the following function:

$f(x)=3(1.5)^{x}$

2. By definition, an exponential function has the following form:

$f(x)=ab^{x}$

Where a is the coefficient, b is the base and x is the exponent.

3. The growth of this function is non-linear, because the rate of growth is not constant.

4. For example if in the function given in the problem x=4, this means that y=3(1.5*1.5*1.5*1.5)

5. Therefore, the answer is exponential growth.

6 0

3 years ago