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motikmotik
3 years ago
8

What is the square root of 36? A.4 B.6 C.8 D.10

Mathematics
2 answers:
Andrej [43]3 years ago
8 0

Answer:

6

Step-by-step explanation:

6×6=36 bdhdgsjsbdbd

Arisa [49]3 years ago
3 0

Answer:

B 6

Step-by-step explanation:

because 6x6 is 36

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These cylinders are similar. Find the surface area of the smaller cylinder. Round to the nearest tenth.
GarryVolchara [31]

Answer:

Surface area = 80.4 cm²

Step-by-step explanation:

The diagram of both cylinders is attached below for a better understanding.

<h3>First find the radius of larger cylinder:</h3>

Surface area = 2πrh + 2πr²

236 = 2(3.14)(5)r + 2(3.14)r²

236 = 31.4r + 6.28r²

236 = 6.28(r² + 5r)

35.58 = r² + 5r

r = 3.97 cm

<h3>Find the radius of Smaller cylinder:</h3>

Two cylinders are in proportion if their heights and radius are in proportion:

Ratio of height of small cylinder to big cylinder = 3/5 = 0.6

So ratio of radius of both is also 0.6

Let R be the radius of small cylinder

ratio of radius of small cylinder to big cylinder = R / 3.97

R = (0.6)(3.97)

R = 2.38

<h3 /><h3>Surface Area for small cylinder:</h3>

R = 2.38cm and h = 3 cm

Surface area = 2πrh + 2πr²

Surface area = 2(3.14)(2.38)(3) + 2(3.14)(2.38)²

Surface area = 80.4115cm²

Round of to nearest tenth

Surface area = 80.4 cm²

5 0
3 years ago
Solve the system of equations <br><br> -10x+3y=5<br> x=y-4<br><br> x=<br> y=
Morgarella [4.7K]

Answer:

x=1

y=5

Step-by-step explanation:

Found the answer online at math      way

no work and don't report me or delete my answer!!!

<h2 /><h2><em><u>I want brainliest</u></em></h2>
3 0
3 years ago
Jay and blair went fishing. Together, they caught 27 fish. Jay caught 2 times as many fish as blair. How many fish did Jay and B
IgorC [24]
This is how you answer the problem 27×2=54
3 0
3 years ago
An athlete trains for 75 mins each day for as many days as possible write an equation that relates the number of days d that the
BartSMP [9]
The answer would be"75d=375" because we know how many minutes in all and how many a minutes a day. so we need to figure how many days would it take
3 0
3 years ago
Tyler and Pearl went on a 20km bike ride that lasted for 3 hours. Because of steep hills or the trail, they walked for most of t
noname [10]

Answer: 1 hour


Step-by-step explanation:

Let the distance they walked be d_1 in time t_1 and the distance they walked be d_2 in time t_2 ,then

Walking speed=\frac{d_1}{t_1}=4

\\\Rightarrow\ d_1=4t_1

Riding speed=\frac{d_2}{t_2}=12

\\\Rightarrow\ d_2=12t_1

Also the total time taken=3 hours

∴t_1+t_2=3\\\Rightarrow\ t_2=3-t_1...(1)

Since the total distance= 20 km

∴d_1+d_2=20\\\Rightarrow4t_1+12t_2=20\\\Rightarrow4t_1+12(3-t_1)=20..............[\text{from (1)}]\\\Rightarrow4t_1+36-12t_1=20\\\Rightarrow-8t_1=-8\\\Rightarrow\ t_1=1

Thus, the they spent 1 hour time in walking.

7 0
3 years ago
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