3 years ago

Write an equation that models the sequence 400, 200, 100, 50, ...

2 answers:

3 0

You're starting at 400. Each time you're cutting in half.

So the common ratio is 1/2 which means the equation is

$\Large y = 400(1/2)^{x-1}$

which is in the geometric sequence format. So the answer is choice D

Svetlanka [38]3 years ago

3 0

Answer:

he answer is D.)y = 400(1/2)X-1

Step-by-step explanation:

You might be interested in

60 + 60 × 0 + 1 = Solve this

belka [17]

61 because you always multiply first 60 x 0= 0 so now we have 60+1 which is 61

5 0

3 years ago

Read 2 more answers

How do I find the scale factor of a dilation?

kobusy [5.1K]

You simply need to compute the ratio between the length of the segment
and the length of the corresponding segment

7 0

3 years ago

Which of the following is an example of a method that can be used to model 45%? Select all that apply.

Yuki888 [10]

Answer:

Step-by-step explanation:

Since there are 100 squares and you shaded 45 that is 45/100 which is equal to 45%

8 0

3 years ago

Did I get this right? And please explain why or why not please

schepotkina [342]

$\bf 7x^2-10\implies 7(\stackrel{x}{6})^2-10\implies 7(36)-10\implies 252-10\implies 242
\\\\\\
43\ \textless \ y-30\implies 43+30\ \textless \ y\implies 73\ \textless \ y\qquad y=
\begin{cases}
74\\
75\\
76\\
77\\
...+\infty
\end{cases}$

3 0

3 years ago

You and a friend are buying lemons and sugar for a lemonade stand. You spend $14.45 to buy lemons and your friend spends $8.85

enot [183]

Answer:

23.3

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers