3 years ago

Judys heart beats 70 times a minute. At this rate, how many times does her heart beat in an hour

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

5 0

Answer:

4200

Step-by-step explanation:

You might be interested in

PLEASE HELP im dying over here

Iteru [2.4K]

$\dfrac{x}{24\sqrt{2}}=\cos45^\circ\\\\\\\dfrac{x}{24\sqrt{2}}=\dfrac{\sqrt{2}}{2}\qquad\qquad\qquad\text{(cross multiply)}\\\\\\2x=24\sqrt{2}\cdot\sqrt{2}\\\\2x=24\cdot2\quad|:2\\\\\boxed{x=24}$

7 0

3 years ago

What is <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BB%2B3%7D%7B3%7D%20" id="TexFormula1" title=" \frac{B+3}{3} " alt=" \frac{

kumpel [21]

$\frac{B + 3}{3}$ is an expression. And an expression is like an equation except that it has no "sides". Expression is something after being solved gives the answer. An equation on the other hand, shows something being equal to something else.