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Olegator [25]
3 years ago
13

Derek swims 2 laps in 6 minutes. How many laps per minute?

Mathematics
1 answer:
Llana [10]3 years ago
4 0
It might be 3 but don't listen to me because it's just a guess lol
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Barack walks 2 kilometers south and then x kilometers east. ​ ​He ends 5 kilometers away from his starting position. ​ ​ Find x
ioda
So this is a Pythagorean problem where
A^2+b^2=c^2

a is 2
X is b
5 is c

Plug that into the equation and get

4+b^2=25

B^2=21
B=sqrt(21)=4.6kilometer
3 0
3 years ago
Mrs. Robinson bought a novel at the bookstore on sale for 20% off at regular price of 2909 mr. Chang what the same novel the dif
GalinKa [24]
Please don't run your sentences together.  Write just one sentence per line, or separate them from one another with the semicolon (;).

<span>Mrs. Robinson bought a novel at the bookstore on sale for 20% off at regular price of 2909
 
Mr. Chang what (??? )the same novel

The different books are 40% of its regular price of $25

Which person receive the better discount?

First you say "the same novel" and then you say "the different books."

Kindly rework this problem and post it again with additions and corrections.

</span>
5 0
4 years ago
Helppppppppppppppppp
valina [46]
This is a simple "solve for x" equation.
5k-2k=12
3k=12
k=4
You should try doing some more on your own, as this will be coming up a lot in the future.
5 0
3 years ago
Find the axis of symmetry and the vertex of<br> the equation below.<br> n^2+ 6n = 0
IrinaK [193]

Answer:

axis of symmerty = x coordinate of vertex = -b/2a

-6/2 = <u>-3 = x</u>

<u />

vertex = (-3,y)

-3^2 +6(-3)

9-18 = -9 = y

<u>(-3,-9) = vertex</u>

Step-by-step explanation:

6 0
3 years ago
This morning sams car had 13.25 gallons of fuel now 1.9 gallons are left .how much fuel did Sam use
nlexa [21]

Answer:

11.35

Step-by-step explanation:

13.25

-

1.9

_____________

11.35

7 0
3 years ago
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