Ask question

Ask question

All categories

3 years ago

7

A human heart beats an average of 80 beats per minute.How many beats is this in an hour?express your answer in scientific notati

ons

1 answer:

nlexa [21]3 years ago

4 0

Answer:

4,800

Step-by-step explanation:

Sorry I don't know how to explain it scientifically but I know how to do the calculations

1) Theres 60 minutes in an hour

2) 80x60= 4,800 beats

You might be interested in

Please help me , I don’t understand :(

Yuri [45]

Answer:

A. 1.4 times

Step-by-step explanation:

The factor in this exponential function is 1.4.

Please see the attachment.

7 0

3 years ago

F(x) = square root x-3

aleksandrvk [35]

I think the answer is c

7 0

3 years ago

How can you write -1/4x-9 on a graph

Dmitrij [34]

Answer:

Slope : -1/4

y-intercept : -9

x... 0 , 1

y... -9 , -37/4

Step-by-step explanation: Graph the line using the slope and y-intercept, or two points. GRAPH IS DOWN BELOW!

Hope this helps you out.

4 0

3 years ago

There are 8 books in a shelf that consist of 2 paperback books and 6 hardback books. If 4 books are selected at random without r

mixer [17]

Answer:D

Step-by-step explanation:

This is combination.

If 4 books selected out of eight book in the shelf:

(4 combination 8)= 70

For hardback selection:

Then selection of 4 books out of the hardback, it means there is no paperbach will be:

(4 combination 6)= 15

So , if at least one paperback selected will be : 70-15

That is 55

4 0

3 years ago

Simplify the expression. Write your answer as a power.<br> <img src="https://tex.z-dn.net/?f=%285%5E%7B4%7D%20%29%5E%7B3%7D" id=

Charra [1.4K]

Answer:

$5^{12}$

Step-by-step explanation:

Lets say there's a number 'x' and there's an expression $(x^a)^b$ where 'a' & 'b' are also numbers , <u>the simplified form of the expression is </u> $x^{a \times b}$ <u>.</u>

So ,

$(5^4)^3 = 5^{4 \times 3} = 5^{12}$

6 0

3 years ago