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Paha777 [63]
2 years ago
9

Please help i’ll give brainliest

Mathematics
1 answer:
Sauron [17]2 years ago
6 0

Answer:

I believe the answer is D

Step-by-step explanation:

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A closed cylindrical tank of radius 1.50m and height 300cm, is made from a metal sheet. How much sheet is required?
Anika [276]

Answer: 13.5π≈42.41

Step-by-step explanation:

Basically it is asking for the circumference of this cylinder.

#1 Find the circumference of the circle base

Formula to use: 2πr

2πr=2π(1.5)=3π

---------------------------

#2 Find the area of the circle base

Formula to use: πr²

πr²=π(1.5)²=2.25π

--------------------------

#3 Find the area of body of the cylinder

Formula to use: lw

300cm=3m

l (length)= 3π (since the body of the cylinder the basing on the circumference of the circle base)

w (width)= 3

lw=3π×3m=9π

----------------------------

#4 Add all of them together

There are 2 base and one body

2.25π×2+9π=13.5π

4 0
3 years ago
Share £90 in the ratio 1:5<br> HELP ME PLEASE
ZanzabumX [31]

Answer:

the answer is 15:75

Step-by-step explanation:

(1+5)=6

£90/6=15

So, (1×15):(5×15)

=15:75

7 0
3 years ago
Root of 6x^2 -8 = -8x
Svetlanka [38]

Answer:

If your question is set up like this \sqrt{6x^2-8}=-8x then your answer is No solution.

If your question is set up like this\sqrt{6x^2}-8=-8x then your answer is x=\frac{4(8-\sqrt{6}) }{29} or x = 0.765

Hope this helps!

8 0
3 years ago
If the area of the square is 300 square inches, what is the length of each side simplest form?
Mila [183]
300 divided by 4 =75
8 0
3 years ago
Calculate the taxes based on the following taxable income amounts
Bingel [31]
1.) Taxable income is 22,764.42 (income 90,714 less range which is more than 87,850 but less than 183,250 = 2,864 multiply to its corresponding tax rate of 28% = 801.92 plus its corresponding amount of 21,962.50 = 22,764.42)

2.) Taxable income is 12,140.75

3.) Taxable income is 63,634.18

4.) Taxable income is 44,097.62

5.) Taxable income is 63,691.60

6.) Taxable income is 24,598.98

7.) Taxable income is 59,234.62

8.) Taxable income is 171,662.58

9.) Taxable income is 184,033.22

10.) Taxable income is 183,997.18

11.) Taxable income is 61,067.11

12.) Taxable income is 153,877.82

13.) Taxable income is 241,356.99

14.) Taxable income is <span>274,376.26
</span>
15.) Taxable income is 97,208.05

Note: Use the "from" amount as the basis, so if the income is 10,000 then you'll deduct 8,925 (basis) from 10,000 (since 10,000 is more than 8,925 but less than 36,250)

4 0
3 years ago
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