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vodomira [7]
3 years ago
7

The product of 51 and a number less than 427 is 185

Mathematics
1 answer:
sweet [91]3 years ago
4 0

Answer:

3.3 i think myabe just close to it

Step-by-step explanation:

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The curved surface area of a cylinder is 880cm2 and its volume is 770cm3.Find its diameter and height.
natima [27]

Answer:

The height of cylinder is: h = 80.07 cm

The diameter of cylinder is: d = 3.5 cm

Step-by-step explanation:

Curved surface area of cylinder = 880 cm^2

Volume of cylinder = 770 cm^3

We need to find its diameter and height.

The formula used are:

Curved\: surface\: area=2\pi rh\\Volume=\pi r^2h

If we divide volume by curved surface, we can find radius

\frac{Volume}{Curved\: surface\: area}=\frac{\pi r^2h}{2\pi rh}  \\\frac{770}{880}=\frac{r}{2}\\0.875=  \frac{r}{2}\\=> r= 0.875\times 2\\r=1.75

So, we get radius r = 1.75

Now, we can find height using curve surface area formula:

Curved\: surface\: area=2\pi rh\\880=2(3.14)(1.75)h\\h=\frac{880}{10.99}\\h=80.07 \:cm

So, the height of cylinder is: h=80.07 cm

Now finding diameter using formula: d=2r

Putting value of r in above formula:

d=2r\\d=2(1.75)\\d=3.5\:cm\\

So, the diameter of cylinder is: d = 3.5 cm

5 0
3 years ago
Can someone find the area please?
balu736 [363]
12 times 5 is 60

12-10=2, so 2 times 6 is 12, divided by 2 is 6

The area is 66
5 0
3 years ago
Read 2 more answers
What is area of a parallelogram that has a base of 12 3/4 in. and a height 2 1/2in.?
laiz [17]
The area is Base * Height
Area = b * h
b =12 3/4 in
h = 2 1/2 in

Area = 12.75 * 2.5 = 31.875 or 31 7/8 square inches.
5 0
3 years ago
I NEED HELP PLEASE! THANKS :)
Marianna [84]

Answer:

<em>y = 2 \: cos \:  (\frac{1}{3} x)</em>

<em>option</em><em> </em><em>C</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>option</em><em>.</em>

<em>Expla</em><em>nation</em><em>:</em>

<em>General</em><em> </em><em>expression</em><em> </em><em>of</em><em> </em><em>a</em><em> </em><em>cosine</em><em> </em><em>function</em><em> </em><em>is</em><em>:</em>

<em>y</em><em>=</em><em>A</em><em> </em><em>cos</em><em> </em><em>k</em><em> </em><em>X</em>

<em>where</em><em> </em><em>A</em><em> </em><em>is</em><em> </em><em>amplitude </em><em>and</em><em> </em><em>2</em><em> </em><em>pi</em><em>/</em><em>k</em><em> </em><em>is</em><em> </em><em>its </em><em>period.</em>

<em>In</em><em> </em><em>our</em><em> </em><em>case</em><em>,</em>

<em>- y = 2 \: cos \:  (\frac{1}{3} x) \:</em>

<em>has</em><em> </em><em>:</em>

<em>amplitude = 2 \\ period = 2\pi \times 3 = 6\pi</em>

<em>hence,</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em> </em><em>of</em><em> </em><em>option</em><em> </em><em>C</em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em>

7 0
3 years ago
Read 2 more answers
PLSSS HELP!! ASAP! GIVING BRAINLIST
EastWind [94]

\sqrt{180}

\sqrt{ {6}^{2} \times 5 }

\sqrt{ {6}^{2} }  \sqrt{5}

6 \sqrt{5}

6 0
3 years ago
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