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inysia [295]
3 years ago
10

A person's resting heart rate is typically between 60 and 100 beats per minute. Noah looks at his watch, and counts 8 heartbeats

in 10 seconds is his heart rate typical
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
4 0

Answer:

No, his heartbeat is 48 beats per minute (12 beats below the minimum beats per minute of a typical person's heartbeat (60 beats)).

Step-by-step explanation:

Every 10 seconds, Noah's heart beats 8 times.

Therefore, every 1 minute, his heart beats 48 times.

Noah's heartbeat is below a typical person's resting heart rate.

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3. At a bargain store, Jamal bought 2 items that each cost the same amount. Isaiah bought 3 items that each cost the same amount
coldgirl [10]

Answer:

  • $6.75 and $4.50

Step-by-step explanation:

a) <u>Jamal spent:</u>

  • 2x

<u>Isaiah spent:</u>

  • 3 (x - 2.25)

<u>The equation is:</u>

  • 2x = 3(x - 2.25)

b) <u>Solving the equation</u>

  • 2x = 3x - 6.75
  • 3x - 2x = 6.75
  • x = 6.75

c) <u>Jamal's items cost </u>

  • $6.75 each

<u>Isaiah's items cost </u>

  • $6.75 - $2.25 = $4.50 each
7 0
3 years ago
Which one is greater 5 or 1.5
Andrew [12]

Answer:

5

Step-by-step explanation:

5 is greater than 1.5 by 3.5

5 - 1.5 = 3.5

~

8 0
3 years ago
Read 2 more answers
If c is the curve given by \mathbf{r} \left( t \right = \left( 1 5 \sin t \right \mathbf{i} \left( 1 3 \sin^{2} t \right \mathbf
jonny [76]
With the curve C parameterized by

C:\mathbf r(t)=\underbrace{15\sin t}_{x(t)}\,\mathbf i+\underbrace{13\sin^2t}_{y(t)}\,\mathbf j+\underbrace{12\sin^3t}_{z(t)}\,\mathbf k

with 0\le t\le\dfrac\pi2, and given the vector field

\mathbf f(x,y,z)=x\,\mathbf i+y\,\mathbf j+z\,\mathbf k

the work done by \mathbf f on a particle moving on along C is given by the line integral

\displaystyle\int_C\mathbf f\cdot\mathrm d\mathbf r=\int\limits_{t=0}^{t=\pi/2}\mathbf f(x(t),y(t),z(t))\cdot\frac{\mathrm d\mathbf r(t)}{\mathrm dt}\,\mathrm dt

where

\mathrm d\mathbf r=(15\cos t\,\mathbf i+26\sin t\cos t\,\mathbf j+36\sin^2t\cos t\,\mathbf k)\,\mathrm dt

The integral is then

\displaystyle\int_0^{\pi/2}(15\sin t\,\mathbf i+13\sin^2t\,\mathbf j+12\sin^3t\,\mathbf k)\cdot(15\cos t\,\mathbf i+13\sin2t\,\mathbf j+18\sin t\sin2t\,\mathbf k)\,\mathrm dt
=\displaystyle\int_0^{\pi/2}(432\sin^5t\cos t+338\sin^3t\cos t+225\sin t\cos t
=269
6 0
4 years ago
Nathan took his car in for service and repairs. He had a coupon for 10% off. Original Prices • Labor $218.97 • Parts $303.47 • O
Dmitry_Shevchenko [17]

Answer:

C  PLEASE GIVE BRAINLIEST

Step-by-step explanation:

218.97 + 303.47 + 77.78 = $600.22

600.22 x .10 = 60.02 (amount of discount)

600.22 - 60.02 = $540.20 (amount he owes)

Answer is C

7 0
3 years ago
Read 2 more answers
How would I do 4x+45=3x+61
Pavel [41]

Answer:x=16

Step-by-step explanation:

4x+45=3x+61

Collect like terms

4x-3x=61-45

x=16

7 0
3 years ago
Read 2 more answers
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