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Verizon [17]
4 years ago
13

World class mail sprinters run 100 m in about 10 seconds. Express this as a unit rate?

Mathematics
1 answer:
adelina 88 [10]4 years ago
8 0
0.01 km per second ....
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Is it <br> A.)A=35,B=34<br> B.)A=28,B=34<br> C.)A=35,B=28<br> D.)A=34,B=28
madreJ [45]

Answer:

D. A=34, B=28

Step-by-step explanation:

In the bulletin points, it says that seconds 3-5 are decreasing. That means that those heights can't be higher than second 2 (34). The only option that works is option D.

----------------------

Option A is incorrect because it starts with 35ft which is higher than second 2(34) so that is automatically wrong.

Option B is incorrect because it is increasing instead of decreasing.

Option C is incorrect for the same reason as Option A: it starts with 35ft.

---------------------

Therefore, the only correct option is Option D.

Have a nice day!!

6 0
3 years ago
A portion of the quadratic formula proof is shown. fill in the missing reason.
Lilit [14]

9514 1404 393

Answer:

  D- add the fractions together on the right side of the equation

Step-by-step explanation:

In the previous step, the fractions are written with a common denominator. In the last step, the two fractions are combined (added together).

The best description of those provided is ...

  D- add the fractions together on the right side of the equation

3 0
3 years ago
Which expression is the simplest form of -(2x+y)+3(x-4y)?
Maru [420]

Answer:

x-13y

Step-by-step explanation:

Combine like terms and when you do x is by itself and you have 13 y

making the answer x-13y

8 0
3 years ago
Please help <br> Algebra 1<br> Look at the photo below...
I am Lyosha [343]

horizontal line: x=9

vertical line: y=3

You can plug it into the application demos to see it visually just put y=3 on one line and x=9 on the other

7 0
3 years ago
MARKING BRAINLIEST, PLEASE HELP. <br><br> Find the value of x, show your work.
ladessa [460]

Answer: 180=x

Step-by-step explanation:

180=100+2x+14

180=2x+114

-114     -114

36=2x

÷2   ÷2

18=x

6 0
4 years ago
Read 2 more answers
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