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Mathematics

1 answer:

pantera1 [17]3 years ago

7 0

The volume of a rectangular prism is:

V=xyz where x,y,z are the dimensions...

In this case:

V=5*(2 1/2)*(1 1/2)

which is equal to

V=(12 1/2)*(1 1/2)

So the top one and the third one down are the correct volume.

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1/4 of a number decreased by three is at least two

posledela

Answer:

¹/₄x - 3 ≥ 2

+ 3 + 3

4(¹/₄x) ≥ 4(5)

x ≥ 20

Step-by-step explanation:

5 0

3 years ago

Circular flower bed is 17 m in diameter and has a circular 2 around it is that to meters wide find the area of the sidewalk in s

nata0808 [166]

Answer:

Step-by-step explanation:

The area of a circle split you diameter which is 8.5 then you square it equals 72.25 then you times it 3.14 =226.865 I think

8 0

3 years ago

Can someone please help me

aniked [119]

#1 √ 75

Answer : 5√3 or ≈ 8.66025

#2 √ 48

Answer : 4√3 or ≈ 6.9282

#3 √ 128

Answer : 8√2 or ≈ 11.31371

#4 √ 300

Answer : 10√3 or ≈ 17.32051

~~

#5 √⅔

Answer :

$\frac{ \sqrt{6} }{3} = 0.816497$

#6 √16/4

Answer : 2

#7 √ 6/8

Answer :

$\frac{ \sqrt{3} }{2} = 0.866025$

#8 √27/9

Answer : √ 2 or ≈ 1.73205

~~

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey

5 0

3 years ago

9. Select the value below that is between 0.5 and 0.65. *<br> 0.055<br> 3/4<br> 6%<br> 5/9

ehidna [41]

Answer:

0.5<

Step-by-step explanation:

5/10<5+65/10+100<65/100

=5/10<5+65/10+100<65/100

=1/2<1+13/2+20<13/20

=1/2<14/22<

8 0

3 years ago

How many real roots does a quadratic equation have if the discriminant is -3?

soldier1979 [14.2K]

$\bf \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ y=\stackrel{\stackrel{a}{\downarrow }}{a}x^2\stackrel{\stackrel{b}{\downarrow }}{+b}x\stackrel{\stackrel{c}{\downarrow }}{+c} ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ positive&\textit{two solutions}\\ negative&\stackrel{\textit{no real roots}}{\textit{no solution}}\quad \checkmark \end{cases}$

6 0

3 years ago