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Reil [10]
3 years ago
9

What does expression equivalent mean?

Mathematics
1 answer:
Studentka2010 [4]3 years ago
7 0

Answer:


Step-by-step explanation:

Equivalent expressions are expressions that are the same,even though they might look different. If you plug in the same variable value into equivalent expressions they will each give you the same value when you simplify.

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How do i get points in this website im lowkey confused
GarryVolchara [31]

Answer:

so when you answer questions you get points. The person that posted the question can choose how many points they want you to earn for answering their question, or if you haven't updated your profile youll get 5 points i think

Step-by-step explanation:

3 0
3 years ago
Nuno set up a series of dominoes. he starts by knocking over 10 dominoes. every second after that, the number of dominoes that a
vesna_86 [32]
It will take 8 seconds for all of the dominoes to fall over.

This will be an exponential function.  To find the growth rate, we can write out the terms of the sequence that goes along with it:  10, 20, 40, ...

"Growth rate" is the same as percent of increase or decrease.  We find the amount of increase and divide by the original amount:  20-10 = 10 increase; 10/10 = 1.

The exponential function is of the form
f(x) = a*(1+r)ˣ, where a is the initial value (10), r is the growth rate (1), and x is the number of time periods.  Using the variables given to us in the problem along with this information, we have:

d(s)=10(1+1)^s
\\
\\2560=10(2)^s

Divide both sides by 10:
\frac{2560}{10}=\frac{10(2)^s}{10}
\\
\\256=2^s

We will use logarithms to solve this:
\log_2 256=s
\\8=s
5 0
3 years ago
Read 2 more answers
A particle moves along a straight line with equation of motion
Basile [38]

Answer:

f(t) = 15 + 160 + 1

Step-by-step explanation:

it said that t= 4 and because the t is after the 40 you would times 40 by 4 to get 160. Then you add them all up and there you go you got your velocity and speed.

8 0
3 years ago
A serving of ice cream contains 144 calories of fat that is 20% of the calories how many total calories are in a serving of ice
Karo-lina-s [1.5K]

Answer: 2880

Step-by-step explanation: 144*20=2880 calories.

7 0
3 years ago
Allie charges $12.49 for each delivered meal. If a 7 percent sales tax is applied, what is the total cost of the meal?
ohaa [14]
The multiplier for a 7% increase is 1.07.
Time the price by the multiplier:

12.49 x 1.07 = $13.36
8 0
3 years ago
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