All categories

3 years ago

Use the order of operations to simplify the following expression.

Mathematics

2 answers:

trasher [3.6K]3 years ago

4 0

I got -28, so I’m guessing it’s none of the other are are correct.

NemiM [27]3 years ago

3 0

None of the answers are correct it’s -28

You might be interested in

Need help with linear equations with substations

mezya [45]

A way to solve a linear system algebraically is to use the substitution method. ... We can substitute y in the second equation with the first equation since y = y.

this is what i know about it

6 0

3 years ago

What is 7 /14 + 7/ 28 in simplest terms?

jasenka [17]

Its 3/4
hope i helped

8 0

3 years ago

What is the nth term of this quadratic sequence: 3,11,25,45

makvit [3.9K]

<span>This solution might be a bit out there, but it should probably work. For this, we will consider sequencesto have an invisible "0th" term to make calculation easier.</span>Missing: <span>quadratic</span>

6 0

3 years ago

Find the generating function for the sequence 1,-2,4,-8, 16, ...

kirill [66]

Answer:

$a(x)=\dfrac{1}{1+2x}$

Step-by-step explanation:

The generating function a(x) produces a power series ...

$a(x)=a_0+a_1x+a_2x^2+a_3x^3+\dots$

where the coefficients are the elements of the given sequence.

We observe that the given sequence has the recurrence relation ...

$a_0=1;a_n=-2a_{n-1} \quad\text{for n $>$ 0}$

This can be rearranged to ...

$a_n+2a_{n-1}=0$

We can formulate this in terms of a(x) as follows, then solve for a(x).

$\sum\limits^{\infty}_{n=1} {a_{n}x^n} =a(x)-a_0 \quad\text{and}\\\\\sum\limits^{\infty}_{n=1} {2a_{n-1}x^n} =(2x)a(x) \quad\text{so}\\\\\sum\limits^{\infty}_{n=1} {(a_n+2a_{n-1})x^n}=0=a(x)-a_0+2xa(x)\\\\a(x)=\dfrac{a_0}{1+2x}=\dfrac{1}{1+2x}$

The generating function is ...

a(x) = 1/(1+2x)

3 0

3 years ago

Read 2 more answers

A class of 40 students visits a farm they tour the farm in group of 5 how many groups of 5 can they make?

german

Answer:

Step-by-step explanation:

40 grouped into 5 = 40/5 = 8

5 0

3 years ago

Read 2 more answers