Answer:
Her heart beats 75 times per minute.
Step-by-step explanation:
Okay, for this one, I recommend setting up a proportion table. First you will figure out that her heart beats 225 times approximately in 3 minutes (no duh), and literally all you have to do is divide 225 by 3. That's all! Then you'll get 75! I hope this helped you!
Answer:
The (-3x-9)=27 and (-5x-2)=10
Step-by-step explanation:
<u>Answer:</u>
<u>Step-by-step explanation:</u>
<u>We know that:</u>
<u>Work:</u>
- 21 x 2/3 = x
- => 7 x 3 x 2/3 = x
- => 7 x 2 = x
- => 14 = x
Hence, <u>the value of x is 14.</u>
Hoped this helped.
Answer:
16 cm²
Step-by-step explanation: