Ask question

Ask question

All categories

Naddika [18.5K]

3 years ago

14

If Kelly's heart beats an average of 1*10^2 times per minute , about how many times does Kelly's heart beat in a year?(1 year is

525,600 minutes)

1 answer:

vfiekz [6]3 years ago

7 0

Find out how many times her heart beats in a min then multiply it by 525,600

You might be interested in

Find the sum of ∠BCD and ∠SBT in terms of x.

AleksAgata [21]

$Let's\ \angle TCB=y^o\\\\\angle SBT\ is\ the\ exterior\ angle\ of\ \Delta TCB,\ therefore\ |\angle SBT|=x^o+y^o.\\\\|\angle\ BCD|\ +\ y^o=180^o-angles\ on\ one\ side\ of\ a\ straight\ line\\\\|\angle BCD|=180^o-y^o\\\\therefor\\\\\angle SBT+\angle BCD=x^o+y^o+180^o-y^o=x^o+180^o\\\\\boxed{Answer:\angle SBT+\angle BCD=x^o+180^o}$

4 0

3 years ago

Read 2 more answers

What is the estimation of 21x94

iragen [17]

Answer:

its a estamite just guess

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Multiply. (5x^2-6x+2)(4x^2-3x)

baherus [9]

20x^4-39x^3-16x

Make sure to multiply all the terms by each other in the two parentheses

3 0

2 years ago

5/9*18/25<br><br> i need help

Akimi4 [234]

Answer:

$\frac{2}{5}$

Step-by-step explanation:

$\frac{5}{9} * \frac{18}{25} = \frac{5 * 18}{9 * 25} = \frac{90}{225} = \frac{45 * 2}{45 * 5} = \frac{2}{5}$

4 0

3 years ago

9x + 3y = 4<br> 7x + 3y = 20

xeze [42]

Answer:

x=-8, y=76/3

Step-by-step explanation:

I solved for substitution since I didn't know exactly what you're solving for.

5 0

3 years ago