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3 years ago

How to solve 620 divided by 10 to the power of 2

Mathematics

1 answer:

uranmaximum [27]3 years ago

5 0

Answer:

6 1/5

hope this helps!

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Jerome added two numbers the sum was 83 one of the numbers was 45 what was the other number

ch4aika [34]

$y-\ first\ number\\\\ x-\ other\ number\\\\
x+y=83\\
y=45\\
45+x=83\ \ \ | subtract\ 45\\
x=38\\\\
Other\ number\ was\ 38.$

5 0

3 years ago

Read 2 more answers

Find the value of y

bulgar [2K]

Answer:

$m\angle y=48^o$

Step-by-step explanation:

we know that

The inscribed angle is half that of the arc comprising

$m\angle y=\frac{1}{2}[96^o]$

$m\angle y=48^o$

6 0

2 years ago

Please help me with precalculus??<br>linear and angular speed

Anit [1.1K]

13)

there are 2π radians in 1 revolution, and there are 60 seconds in 1 minute, so keeping that in mind, then,

$\bf \cfrac{4\underline{\pi} }{5~\underline{s}}\cdot \cfrac{rev}{2\underline{\pi} }\cdot \cfrac{60~\underline{s}}{min}\implies \cfrac{4\cdot 60~rev}{5\cdot 2~min}\implies \cfrac{240~rev}{10~min}\implies 24\frac{rev}{min}$

14)

$\bf \textit{linear velocity}\\\\
v=rw\quad 
\begin{cases}
r=radius\\
w=angular~speed\\
----------\\
v=32\frac{m}{sec}\\
w=100\frac{rev}{min}
\end{cases}\\\\
-------------------------------\\\\
\textit{let's convert \underline{w} to }\frac{radians}{sec}$

$\bf \cfrac{100~\underline{rev}}{\underline{min}}\cdot \cfrac{2\pi }{\underline{rev}}\cdot \cfrac{\underline{min}}{60~sec}\implies \cfrac{100\cdot 2\pi }{60~sec}\implies \cfrac{10\pi }{3~sec}\implies \cfrac{10\pi }{3}\frac{radians}{sec}\\\\
-------------------------------\\\\
v=rw\implies \cfrac{v}{w}=r\implies \cfrac{\frac{30~m}{sec}}{\frac{10\pi }{3~sec}}\implies r=\cfrac{30~m}{\underline{sec}}\cdot \cfrac{3~\underline{sec}}{10\pi }
\\\\\\
r=\cfrac{90}{10\pi }m$

15)

what is the radians per seconds "w" in revolutions per minute? just another conversion like in 13)

$\bf \cfrac{\underline{\pi} }{3~\underline{sec}}\cdot \cfrac{rev}{2\underline{\pi }}\cdot \cfrac{60~\underline{sec}}{min}\implies \cfrac{60 ~rev}{3\cdot 2 ~min}\implies \cfrac{60 ~rev}{6 ~min}\implies 10\frac{rev}{min}$

4 0

3 years ago

Can someone solve 5(x-4) – 6(x+2) < 4 the inequality plz i need help.

zhuklara [117]

Answer:

1) x=-36

2) x>-11/12

3) x>-22

Step-by-step explanation:

6 0

3 years ago

Help me with this question pls pls pls

34kurt

Answer:

Check pdf

Step-by-step explanation:

Download pdf

6 0

2 years ago