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pogonyaev
3 years ago
10

21 laps in 7 minutes round to nearest hundredth

Mathematics
1 answer:
Nitella [24]3 years ago
3 0
3 laps a minute.

I am not exactly sure what you’re looking for but this is something.
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The distance between (4,10) and (6,20)
rjkz [21]

Answer:

(2,10)

Step-by-step explanation:

4 to 6 is 2 and 10 to 20 is 10 therfore you get 2 and 10

6 0
2 years ago
Read 2 more answers
Emily has some $5 bills and $10 bills she has 15 bills she has $120 how many $5 bills does she have​
Alexxx [7]

Step-by-step explanation:

Let F = The number of $5 bills and T = the number of $10 bills.  She has 15 bills total, so:

 

F+T = 15                

T = 15-F

 

She has $120 total:

 

$120 = ($5)*F + ($10)*T

$120 = $5*F + ($10)*(15-F)         [Substitute 15-F in place of T]

120 = 5F + 150 - 10F

-30 = -5F

 

6 = F

 

Check:

T= 15-F = 15=6 = 9

 

$120 = ($5)*6 + ($10)*9

$120 = $30 + $90

$120 = $120

4 0
3 years ago
The width of a recruits 3 cm more than its length. It’s perimeter is 50 cm. Find it’s dimensions.
olga nikolaevna [1]

Answer: Length  = 11 cm

Width = 14 cm

Step-by-step explanation:

Let x = Length of the rectangle.

then, width = x+ 3

Perimeter of rectangle =  2 (length +width)

Then, Perimeter = 2 (x+x+3)

= 2 (2x+3)

Since perimeter = 50 cm

\Rightarrow\ 2(2x+3)=50

\Rightarrow\ 2x+3=25                              [Divide both sides by 2]

\Rightarrow\  2x=22\\\\\Rightarrow\ x=11

The dimensions are :

Length  = 11 cm

Width = 11+3= 14 cm

5 0
3 years ago
write an expression for the perimeter of the triangle shown below: A triangle is shown with side lengths labeled 2.3x plus 14, 2
Svetach [21]

The perimeter is just the sum of all the side lengths.
So let's get to work and addum up:

                              (2.3x + 14) + (2x) + (-0.2x + 15)

Add up all the x's:  (2.3x + 2x - 0.2x) =  4.1x

Add up all the ordinary numbers:  (14 + 15) = 29

So the perimeter is simply    4.1x + 29 .
 
3 0
3 years ago
Read 2 more answers
Which is a correct classification for the triangle?
DerKrebs [107]
63 + 22 = 85
180 - 85 = 95

An obtuse triangle is a triangle<span> in which one of the </span>angles<span> is an </span><span>obtuse angle
</span>obtuse angle is less than 180 and greater than 90

so answer is

obtuse triangle
8 0
3 years ago
Read 2 more answers
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