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loris [4]
3 years ago
5

Someone please help ASAP will give brainliest

Mathematics
2 answers:
mr_godi [17]3 years ago
7 0

Answer:

The answer is 15

Step-by-step explanation:

lorasvet [3.4K]3 years ago
3 0

Answer:15

Step-by-step explanation:

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A car wheel is 56 cm in diameter. A. How far does the car go in one revolution of the wheel?
andre [41]

The car moved 175.84 cm in one revolution

The car has moved 17584 cm in 100 revolutions

<em><u>Solution:</u></em>

Given that car wheel is 56 cm in diameter

diameter = 56 cm

To find: distance traveled in one revolution of wheel

Usually wheel is of circular shape

one revolution of wheel = circumference of circle

<em><u>The circumference of circle is given as:</u></em>

c = 2 \pi r

We know that,

diameter = 2(radius)

d = 2r

<em><u>So the circumference becomes:</u></em>

c = \pi d

substitute \pi = 3.14 and d = 56 cm

c = 3.14 \times 56 = 175.84

Thus the car moved 175.84 cm in one revolution

<em><u>B. How far does it go in 100 revolutions</u></em>

Distance covered in 100 revolutions = 100 x Distance covered in 1 revolution

\rightarrow 100 \times 175.84 = 17584

Thus the car has moved 17584 cm in 100 revolutions

6 0
3 years ago
The curve y=f(x) called Tractrix has the following property: The derivative at any point x satisfies the formula:
Elden [556K]
<span>The limitation of algebra that leads development of calculus is that it can make a complex number of variables present it as a single variable and then apply the necessary formula needed to find the answer. After manipulation, the presented single variable can be changed back to a complex variable by substitution</span>
6 0
3 years ago
A company rents water tanks shaped like a cylinders. Each tank has a diameter of 12 feet and a height of 3 feet. The cost is $2
12345 [234]

Answer:

\$678.58

Step-by-step explanation:

step 1

<u>Find the volume of the tank</u>

we know that

The volume of a cylinder (water tank) is equal to

V=\pi r^{2}h

in this problem we have

r=12/2=6\ ft -----> the radius is half the diameter

h=3\ ft

substitute

V=\pi (6^{2})(3)=339.29\ ft^{3}

step 2

Find the cost

339.29\ ft^{3}*2\frac{\$}{ft^{3}}=\$678.58

3 0
3 years ago
- 4y³ – 7y²– 2y ² – 7x – 4y² + y²​
nikklg [1K]

Answer:-4y^3-12y^2-7x

Step-by-step explanation:if you collect the liked terms it will add up to get that

7 0
2 years ago
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There are 54 students in the cafeteria 30 girl sand 24 boys what is the ratio of girls to boys in cafeteria
tresset_1 [31]
The answer is 5 :4

please mark as brainliest thanks'!!!
3 0
3 years ago
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