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love history [14]
2 years ago
5

Find the surface area of a bar of soap if the diameter is 5 cm and the height is 2cm .

Mathematics
2 answers:
Vinil7 [7]2 years ago
7 0
Please see the pic, I'd solved in it.

s2008m [1.1K]2 years ago
5 0
Given that:
Diameter = 5 cm
which means,
Radius= \frac{diameter}{2} = \frac{5}{2} = 2.5 cm (radius is half the diameter)
and Height = 2 cm
We can assume that the shape is cylindrical 

Formula of the Surface Area of a Cylinder
=2\pir² + 2\pirh
=2\pi(2.5)² + 2\pi(2.5)(2)
=12.5\pi + 10\pi
=22.5\pi cm² (in terms of \pi)
=70.69 cm² ≈ 70.7 cm²

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Can someone please help me with this and explain it for me .. can you just put the answers on the photo? It will make it easier
Bezzdna [24]

Answer:

Step-by-step explanation:

set 30

1) 90-52 = x

38 = x

2) 90 -15-25=x

50 = x

set 31

1)   t = 3m

m = independent

t = dependent

 m    t

\left[\begin{array}{ccc}1 & 3\\2 & 6\\3 & 9\\4&12\\5&15\\6&18\end{array}\right]

2)

m = 25d

d = independent

m = dependent

 m     d

\left[\begin{array}{ccc}1&25\\2&50\\3&75\\4&100\\5&125\\6&150\\7&175\end{array}\right]

7 0
3 years ago
What is the relationship between .04 and .004
IRINA_888 [86]
They are both decimals.

But 0.04 > 0.004.
4 0
3 years ago
Read 2 more answers
If g(x) = 3 - 2x, find g(-1).<br> A. -5<br> B. 5<br> C. 0<br> D. 6
zheka24 [161]

Answer:

g(-1)=5

Step-by-step explanation:

Put value of x, which is - 1

g(x) = 3 - 2x \\ g( - 1) = 3 - 2( - 1) \\ g( - 1) = 3 + 2 \\ g( - 1) = 5

3 0
2 years ago
Read 2 more answers
Two ships leave from the same port. One travels west 84 miles and the other travels 62 miles north. Determine the distance betwe
Lerok [7]
The distance the ships traveled are like the legs of a triangle and the question wants to know the hypotenuse. To find the hypotenuse, use the pythagorean theorem. this is a^2 + b^2 = c^2, with a and b being the legs and c being the <span>hypotenuse.
</span>Plug in known values:
84^2 + 62^2 = c^2
Solve:
84^2 = 7056
62^2 = 3844
7056 + 3844 = c^2
7056 + 3844 = 10900
10900 = c^2
Now you just need to isolate c by finding the square root of both sides.
√10900 = 104.403
√c^2 = c

So c = 104.403, or just 104.40 when rounded to the nearest tenth.
And if c is 104.40, then that means the hypotenuse is 104.40.
And all of that basically means that the distance between the ships is 104.40 miles.
5 0
3 years ago
Please help logarithms!
nlexa [21]

Given:

\log_34\approx 1.262

\log_37\approx 1.771

To find:

The value of \log_3\left(\dfrac{4}{49}\right).

Solution:

We have,

\log_34\approx 1.262

\log_37\approx 1.771

Using properties of log, we get

\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_349      \left[\because \log_a\dfrac{m}{n}=\log_am-\log_an\right]

\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_37^2      

\log_3\left(\dfrac{4}{49}\right)=\log_34-2\log_37          [\log x^n=n\log x]

Substitute \log_34\approx 1.262 and \log_37\approx 1.771.

\log_3\left(\dfrac{4}{49}\right)=1.262-2(1.771)

\log_3\left(\dfrac{4}{49}\right)=1.262-3.542

\log_3\left(\dfrac{4}{49}\right)=-2.28

Therefore, the value of \log_3\left(\dfrac{4}{49}\right) is -2.28.

5 0
2 years ago
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