Help plz need help will make mi day if u help

Mathematics

2 answers:

mafiozo [28]3 years ago

6 0

Answer:

2 1/4 i believe correct me if im wrong

Step-by-step explanation:

Masja [62]3 years ago

6 0

1 4/8 hope this helps

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How do you find the surface area and volume of a cylinder

galina1969 [7]

<h2>Answer:</h2>

The surface area of a shape is the sum of the area of all of its faces. To find the area of a cylinder, you need to find the area of its bases and add that to the area of its outer wall. The formula for finding the area of a cylinder is A = 2πr2 + 2πrh.

<h2>Step-by-step explanation:</h2>

Surface area of a cylinder = 2πr 2 + 2πrh
Volume of a cylinder = πr 2 h
You need to know the radius and height to figure both the volume and surface area of a cylinder.
Answers for volume problems should always be in cubic units.
Answers for surface area problems should always be in square units.

5 0

2 years ago

Read 2 more answers

What is the value of the expression when n=3 6(n^2+2)/n<br><br> 16<br> 22<br> 30<br> 66

Kipish [7]

The correct answer is: [B]: " 22 " .
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Explanation:
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Given:
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$\frac{6(n^2 + 2)}{3}$ ;

Solve when: "n = 3" ;

Rewrite the expression; substituting "3" for all values of "n" ; as follows:

→ $\frac{6(3^2+2)}{3}$ ;

The "6" cancels out to "2" ; & the "3" cancels out to "1" ;

→ {since: " {6 ÷ 3 = 2}" ; and since: " {2 ÷ 2 = 1}" .
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→ Since the "denominator" is "1" ; and any value, divided by "1"; results in that original value; we can eliminate the denominator.

→ Now, we can rewrite the expression as:
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→ " 2(3² + 2)" ;

= 2(9 + 2) ;

= 2(11) ;

= " 22 " .
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→ The answer is: " 22 " ; which is: Answer choice: [B]: " 22 " .
_________________________________________________________

4 0

3 years ago

Find all solutions of the given system of equations and check your answer graphically. HINT [See Examples 1-4.] (If there is no

Likurg_2 [28]

Answer:

$Infinitely\ many\ solutions\ exist.\\\\Solutions\ are\ (x,\frac{3}{4}x-1)$

Step-by-step explanation:

$Given\ equations\ are\\\\3x-4y=4.................eq(1)\\\\9x-12y=12..............eq(2)\\\\divide\ eq(2)\ by\ 3\\\\\frac{1}{3}(9x-12y=12)\\\\\Rightarrow 3x-4y=4\\\\Hence\ equations\ represent\ the\ same\ line.\\Hence\ Infinitely\ many\ solutions\ exist.\\\\3x-4y=4\\\\4y=3x-4\\\\y=\frac{3}{4}x-1\\\\Solutions\ are\ (x,\frac{3}{4}x-1)$