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Alinara [238K]
3 years ago
7

Selena is buying an audio system for her car. She can choose among 3 types of stereos, 4 kinds of speakers, and 2 kinds of ampli

fiers. Which describes how Selena can show her options?
List the 3 types of stereos. Draw branches from each type and list the 4 speakers at the ends. Then, draw branches from each speaker type and list the 2 amplifiers at the ends.
List the 3 types of stereos. Draw branches from each type and list the 4 speakers at the ends.
List 1 stereo. Draw a branch from the stereo and list 1 speaker at the end. Then, draw a branch from the speaker and list 1 amplifier at the end.
List the 3 types of stereos. Draw branches from each type and list the 4 speakers at the ends. Then, draw a branch from the speaker and list 1 amplifier at the end.
Mathematics
2 answers:
never [62]3 years ago
6 0

Answer:

A

Step-by-step explanation:

polet [3.4K]3 years ago
5 0

Answer:

A

Step-by-step explanation:

This option is correct because it includes all 3 initial choices of stereos, then depending on that, it shows the 4 kinds of speakers that you can get, then lastly shows the 2 types of amplifiers based off the speaker that Selena could choose.

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PLEASE HELP ASAP, I WILL GIVE BRAINLESSLY ANSWER <br> SHOW WORK PLEASE
zhannawk [14.2K]

Answer:

C. N(t)=150\cdot 3^t

Step-by-step explanation:

You are given the exponential function n(t)=ab^t.

From the table, N(t)=150 at t=0, thus

N(0)=a\cdot b^0\\ \\150=a\cdot 1\ [\text{ because }b^0=1]

Also N(t)=450 at t=1, thus

N(1)=a\cdot b^1=a\cdot b.

Since  a=150, substitute it into the second equation

450=150\cdot b\\ \\b=\dfrac{450}{150}\\ \\b=3

and the expression for the exponential function is

N(t)=150\cdot 3^t

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3 years ago
Segment tq is 26 units long what is the length of qv 8 units 26 31 unit 32 units
Vlada [557]

Answer: 31 units I just did the assignment

8 0
3 years ago
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Question 1
storchak [24]

Answer:

(0,-3)

Step-by-step explanation:

To find the point of intersection for the two lines, we solve the two equations simultaneously

x=0, y=-3x=0  y=-3

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about 47% of the 15152 samples researchers found were bacteria. what percent of the samples were not bacteria?
timofeeve [1]

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47+53=100 or 100-47=53

I hope this helps :)

3 0
3 years ago
Which of the following equations has the given solution set?
tester [92]
-2m + 5 = 2m + 5
2m + 2m = 5 - 5
4m = 0
m = 0

-2m + 5 = -2m + 5
-2m + 2m = 5 - 5
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-2m + 5 = -2m - 5
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0 = 10
Solution set is Ф
The third equation is the correct answer.
8 0
3 years ago
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