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Evgesh-ka [11]
3 years ago
9

Anthony practices swimming by completing 10 laps every day. Every Time he practices he improved his time by 3 seconds. If it too

k Anthony 20 minutes to complete 10 laps 1 week ago, what is his time today?
Mathematics
1 answer:
marshall27 [118]3 years ago
4 0

Answer:

  19 minutes 39 seconds

Step-by-step explanation:

In 7 days, Anthony has improved his time by ...

  7 × 3 seconds = 21 seconds

The time that is 21 seconds shorter than 20 minutes is 19 minutes 39 seconds.

Anthony's time today is 19:39 minutes:seconds.

_____

You are expected to know that there are 60 seconds in a minute.

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storchak [24]

Equation:

(4/(x-2))+(1/((x^2)-4))=(1/(x+2)

Answer:

A: She found one valid solution and no extraneous solutions.

Step-by-step explanation:

When solving you get x= -(11/3)

8 0
3 years ago
Tyler completely filled the Box shown below with unit cubes with no gaps or overlaps even counted the number of Cubes that he us
Mamont248 [21]

Question:

The options are

A. area

B. height

C. volume

D. perimeter

Answer:

The correct option is;

C. volume

Step-by-step explanation:

Here we note that the size of the unit cube is 1 cubic unit

When the box is filled with the unit cubes the total number of unit cubes represent the volume capacity of the box into which the number of nit cubes are placed.

The volume is a quantity that is also represented by the product of the length, width and height dimensions of the cube.

5 0
3 years ago
Please help me :) please
dangina [55]

Answer:

In bold.

Step-by-step explanation:

6/6 = 9/a

So a = 9.

6/c = a/4.5

6/c = 9/4.5 = 2

So c = 3.

By similar triangles:

d/5 = 6/ (6+6+3)

d/5 = 6/15 = 2/5

So d = 2.

Also by similar triangles

b/5 = 12/15 = 4/5

So b = 4.

8 0
3 years ago
Need help on this thank you
Vlad1618 [11]

Answer:

42km

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Georgia's baby brother weighed less than 11 pounds when he was born. Which of the following could be the number of ounces Georgi
zhenek [66]

Answer: I would say b and c because 11 pounds is 176 ounces but i don't really know what the question wants but i hope this helped.

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3 years ago
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