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3 years ago

Tracy ran 1,000 meters in 5 minutes. How many meters/minutes did she run?

1 answer:

3 0

Answer: If the question you are asking is how many meters Tracy ran per minute the answer would 200 meters per minute

Step-by-step explanation:

1) You would take 1,000 and divide it by 5

In order to check your work you can just multiply 200 by 5.

Hope this helped!

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Red ink pens are sold at $1.50 each black ink pens are sold at $30 which color is the cheaper buy?

Lena [83]

Answer:

Red Ink pens.

Step-by-step explanation:

Red ink pens are sold at $1.50 while Black ink pens are sold at $30. One black ink pens cost more than one red ink pen by $28.50.

7 0

3 years ago

Which triangle’s unknown side length measures 7 units?

kow [346]

A (A right triangle with a side length of 5 and hypotenuse with length \sqrt{74})

8 0

3 years ago

Read 2 more answers

3x+2y=23<br> 1/2x-4=y<br><br> What should I do for this one...? I dont really understand

Hitman42 [59]

Since you have y alone on one side of the equation......

Use substitution and plug in 1/2x-4 for y in the other equation.

$3x+2(1/2x-4)=23\\$

Distribute

$3x+x-8=23$

Combine like terms

$4x-8=23$

Add 8 to both sides

$4x=31$

Divide by 4

and $x=31/4$

Plug this value in for x

$31/4*1/2-4=y$

Simplify

$31/8-4=y$

Multiply everything by 8 and simplify

$31-32=8y\\-1=8y$

Divide.....

$y=-1/8$

Your answers are:

$y=-1/8\\x=31/4$

8 0

3 years ago

After 2 days, the Johnsons had used

salantis [7]

Answer:

11.5 tanks of gas

Step-by-step explanation:

23/2

11.5

6 0

3 years ago

9) v - 15 = -27 10) n + 16 = 9

Alik [6]

Answer:

9) v= -12

10) n= -7

Step-by-step explanation:

9) v - 15 = -27

Add 15 from both sides

i.e. v - 15 + 15 = -27 + 15

v = -12

10) n + 16 = 9

Subtract 16 from both sides

i.e. n + 16 - 16 = 9 - 16

n = -7

Hope this helps!!!

5 0

3 years ago