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pogonyaev
3 years ago
12

Which statements are correct for all values of x?

Mathematics
1 answer:
Kruka [31]3 years ago
8 0
A), C), D), and E are all true because if you were to solve them, both sides of the = sign would be the same number. For example, if I were to solve the first one (A), I would get 16x=16x
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Marking brainliest to whoever can help and explain
lyudmila [28]

Answer: I hope I got it right. You can mark brainliest if you want. I don't really care.

Step-by-step explanation:

Well, it seems that for every week, Pragitha swims x + 2 laps. So if she swims x + 2 laps twice, she will get 2x + 4. So x is equal to 4. You add that four and you get three x. So for one week, she swims x + 2 laps and for the second lap, she swims 2x + 4. Which according to the table, is equal to 3x. So for 3 weeks, she clearly swims less, because maybe she's tired or something. So it's 2x+1. And for week 4, it's week one and week 2 combined.

The expression on the other hand is

10x + 9

3 0
3 years ago
The table shows the height of a ball that was dropped from a 380-foot tower. What was the ball's rate of fall during the first 3
Alex

Answer:

60ft/s

Step-by-step explanation:

To find the rate

rate = f(3) - f(0)

         -------------

         3-0

rate = 200-380

         ---------------

         3-0

rate = -180/3   = -60 ft/s

The negative tells us it is falling

The fall falls 60ft/s

8 0
4 years ago
Read 2 more answers
I have 100 msrble the ratio of redto blue is 8:4 how many blue marbles​
azamat

Answer:

This question is not possible

Step-by-step explanation:

7 0
3 years ago
Algebraic expression for the sum of a number n and 14
Inga [223]
N+14 that’s it! Pls mark as brainliest
4 0
3 years ago
Read 2 more answers
For the function f(x) = 2 - 3x, find f(-4). Options are in the picture.
Kitty [74]
You just have to plug in -4 into
f(x) = 2 - 3x
This implies that,
f( - 4) = 2 - 3( - 4)


f( - 4) = 2  + 3(4)
f( - 4) = 2 + 12
f( - 4) = 14
4 0
3 years ago
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