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Mathematics

2 answers:

Fudgin [204]3 years ago

7 0

It's the first one <span>The quotient of three times some number and five</span>

ra1l [238]3 years ago

5 0

It's the first one The quotient of three times some number and five because it's saying 3X/5 all you really need to know is what the question is asking , here is some examples of how to solve them...

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Find the value of this expression if x = -4.<br> x2 – 7<br> x + 1

Eduardwww [97]

Answer:

First one equals -15

Second one equals -3

Step-by-step explanation:

(-4)*2 - 7

= (-8) - 7

= (-15)

(-4) + 1

= (-3)

Hopefully this helps.

3 0

3 years ago

Find the volume of the cone whose base is shown and whose altitude is 8 meters.

Aloiza [94]

$\bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\implies V=\stackrel{base~area}{\pi r^2}\cdot \cfrac{1}{3}\stackrel{height}{h}\\\\
-------------------------------\\\\
\textit{base of this cone}\\\\
B=\stackrel{a~square}{5\cdot 5}+\stackrel{semi-circle}{\frac{\pi r^2}{2}}\implies B=25+\frac{\pi 3^2}{2}\\\\\\ B=\stackrel{square}{25}+\stackrel{semi-circle}{\frac{9\pi }{2}}
\\\\\\
\textit{height of this cone is just 8}\\\\
-------------------------------\\\\$

$\bf \textit{volume of this cone}\\\\
V=B\cdot \cfrac{1}{3}h\implies V=\left( 25+\cfrac{9\pi }{2} \right)\left( \cfrac{8}{3} \right)
\\\\\\
V=\cfrac{200}{3}+\cfrac{3\pi\cdot 4 }{1}\implies V=\cfrac{200}{3}+12\pi$

7 0

4 years ago

It would take 5 taps 150 mins to fill a pool.

Maksim231197 [3]

Answer:

250 mins

Step-by-step explanation:

since number of taps times time is constant

4 0

4 years ago

Read 2 more answers

The data shows the length of each of the 12 games of Quest of Modnar that Jeremy has played this week.