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Svet_ta [14]
3 years ago
12

Helppppppppppppppppppppppppppp

Mathematics
1 answer:
NISA [10]3 years ago
4 0
Area of cylinder = 2 pi r h + 2 pi r^2
= 2 * 3.14 * 4 * 12 + 2 * 3.14 * 4^2
= 301.44 + 100.48
Area of cylinder = 401.92 cm^2
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In a right-angled triangle, the hypotenuse is 113 and a leg is 112.
melomori [17]

Answer: 15

Step-by-step explanation: Use the formula: a^{2}+b^{2}=c^{2}

Remember c^{2} should always be the hypotenuse or the longest side.

112^{2}+b^{2}=113^{2} ---> evaluate the exponents

12544+b^{2}=12769 ----> subtract 12544 to the other side

b^{2}=225 ---> take the square root of both sides

b=15

7 0
3 years ago
Expand and simplify (x+5)(x+2)
Savatey [412]
Answer= x²+7x+10

When we want to expand expressions such as this, the FOIL method helps us remember what exactly to do. FOIL stands for

F:First
O:Outer
I:Inner
L:Last

So, given the expression (x+5)(x+2), lets multiply the first two terms.

x*x=x²

now the outer two terms

x*2=2x

now the inner terms

5*x=5x

and the last terms...

5*2=10

When we combine these expressions we get:

x²+7x+10

I think this is what you meant to be answered in your question, if I have been mistaken, just comment and I'll edit my answer....

5 0
3 years ago
0.78 =? as a simplified fraction?
Murljashka [212]

Answer: 39/50

Step-by-step explanation:

8 0
3 years ago
Which equation represents the line shown on the coordinate grid below?
kondor19780726 [428]
I thinks it’s A or C )) but it’s not b or d, I’m pretty sure. So imma go with A or c
5 0
2 years ago
Describe this number line and the numbers and fractions shown.
Step2247 [10]

Answer:

<em>This number line has negative and positive integers and that the negative fractions are in between each number so that means one side has positive integers and fractions and one side has negative fractions and integers</em>

Step-by-step explanation:

<em>the black lines would mean where the fractions and decimals are</em>

  • <em>Hope this helps</em>
  • <em>Hope this right </em>
  • <em>Ask questions</em>
7 0
3 years ago
Read 2 more answers
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