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Alik [6]
3 years ago
9

IN 10 MIN.a heart can beat 700 times. at this rate in how many min. will a heart beat 140 times?At what rate can a heart beat

Mathematics
1 answer:
Mrac [35]3 years ago
8 0
The answer is 5 minutes
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Please help meeee!! Finding a slope of a line
Lelechka [254]

Answer:

\huge\boxed{\sf Slope = \frac{5}{2} }

Step-by-step explanation:

<u>Take any two points or coordinated from the graph.</u>

Let's take (2,2) and (0,-3)

So,

\sf (x_{1},y_{1}) = (2,2)\\\\(x_{2},y_{2}) = (0,-3)

Hence,

\sf Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}  \\\\Slope = \frac{-3-2}{0-2} \\\\Slope = \frac{-5}{-2} \\\\Slope = \frac{5}{2} \\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
8 0
3 years ago
Read 2 more answers
How do u simplify the square root of 175
bekas [8.4K]
You could use a calculator or the best way to know is find a perfect square that multiplies another number to make that number. for example, square root of 175 (√175) = √25 times √7. then take the square root of the perfect square and multiply it by the square root. (√25 = 5) so the answer is 5 times √7. or 5√7
4 0
4 years ago
Lynette has a metal door stop with the dimension 12cm 6cm 3.5cm each cubic centimeter of the metal in the doorstop has a mads of
vivado [14]

Answer:

  • volume: 252 cm³
  • mass: 2167.2 (units not specified)

Step-by-step explanation:

The volume of a cuboid is given by the product of its dimensions. Here, that is ...

  (12 cm)·(6 cm)·(3.5 cm) = 252 cm³

We are told the mass of each cm³ is 8.6, so 252 of them will have a mass of ...

  8.6·252 cm³ = 2167.2 . . . . . no units specified

4 0
3 years ago
The length of the race on sunday was 2 km. what is the length of 4 of those same races in meters?
muminat
1km=1000 meters so 2km=2000, and if you have 4 of the races you multiply 4 by 2000 which gives you 8000 meters
4*2000=8000
6 0
4 years ago
Read 2 more answers
Find the value of the expression <br><br> (688 − c) · 222<br><br> for c = 684.
Luba_88 [7]

(688-684) x 222

You have to do what’s in the parentheses first because of PEMDAS

688-684=4

Then you have to multiply

4x222

=888

5 0
3 years ago
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