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3 years ago

What is the exact volume of the cylinder?

Mathematics

2 answers:

Alex777 [14]3 years ago

8 0

Me i am not good with dis but i am going to say A

Stells [14]3 years ago

3 0

Volume of cylinder = $\pi$ $r^{2}$ *h
= $\pi$ *6^2*9
= 324 $\pi$ in^2

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Line f has a slope of –3 8 . Line g is parallel to line f . What is the slope of line g ?

RUDIKE [14]

Answer:

line g would have the same slope as line f

Step-by-step explanation:

parallel lines always have the same slope.

Hope this helps!!! :)

4 0

4 years ago

Find the value of x. Only need 7 and 9 answered.

zalisa [80]

Answer:

Step-by-step explanation

$\frac{6}{6+6} =\frac{8}{8+8} =\frac{7}{x} \\\frac{1}{2} =\frac{7}{x} \\x=7*2=14$

$\frac{x+1}{12} =\frac{x-1}{8} \\12x-12=8x+8\\12x-8x=8+12\\4x=20\\x=20/4=5$

7 0

3 years ago

Maureen spent sh 207to buy 7 exercise books and 4 pens while Sharon spent sh 165 to buy 5 exercise books and 5 pens of same type

Gnesinka [82]

Answer:

The cost of each exercise book is 25 sh.

The cost of each pen is 8 sh.

Step-by-step explanation:

Write down the system of equations and then solve.

$\begin{bmatrix}7b+4p=207\\ 5b+5p=165\end{bmatrix}\\\\\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}\\\\b=25,\:p=8$

Best Regards!

8 0

3 years ago

Read 2 more answers

How do you get this to its Standard Form?<br>And is it linear?

Alchen [17]

let's bear in mind that

standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

so, let's do away with the denominators by multiplying both sides by the LCD of all fractions, in this case 6.

$\bf \cfrac{x}{2}=\cfrac{y+3}{6}\implies\stackrel{\textit{multiplying by }\stackrel{LCD}{6}}{6\left( \cfrac{x}{2} \right)=6\left( \cfrac{y+3}{6} \right)}\implies 3x=y+3\implies \stackrel{\textit{standard form}}{3x-y=3}$

4 0

4 years ago

Read 2 more answers

Multiply and express your answer in scientific notation.

SashulF [63]

my answer is 1.75x10 16

4 0

3 years ago