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krok68 [10]
2 years ago
10

A wheel has a radious of 50cm. How many times would the wheel go around if it rolled for 10km

Mathematics
1 answer:
Zinaida [17]2 years ago
6 0
First you must make sure all measurements are in the same value: You can choose either cm or km

Distance = 1,000,000 cm or 10 km

Radius = 50 cm or 0.0005 km

Distance/(2πR)

1,000,000/(2π*50)

1,000,000/314.059…….

Approx = 3183.1 Rotations
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|x-1| if x&gt;1<br> how do you simplify this
JulsSmile [24]

Use the definition of absolute value.

|x| = \begin{cases} x & \text{if } x \ge0 \\ -x & \text{if } x < 0 \end{cases}

The absolute value is always non-negative. So if x is already non-negative, |x|=x is unchanged. But if x is negative, then |x|=-x because multiplying x by -1 makes it positive.

Now, if x>1, then by the definition of absolute value,

x > 1 \implies x - 1 > 0 \implies \boxed{|x - 1| = x - 1}

4 0
1 year ago
Subtract using the number line.
Stella [2.4K]
The answer would be 1 1/3 plotted over the 1 to 1 1/3
8 0
2 years ago
Read 2 more answers
Help help help help pls​
almond37 [142]

Answer:

Range of the function → {24, 375}

Step-by-step explanation:

Domain of the function f(x) = 3x³ is {2, 5}

we have to find the range when its domain is {2, 5}

Since x-values of any function define the domain and y-values define the range.

For x = 2,

f(2) = 3(2)³ = 24

For x = 5,

f(5) = 3(5)³ = 375

Therefore, range of the given function for the given domain will be {24, 375}.

4 0
3 years ago
Is m = 1 a solution to the inequality below?<br> 55<br> m<br> &gt; 26<br> yes<br> no
Bas_tet [7]

Answer: no

Step-by-step explanation:

3 0
2 years ago
một hộp đựng 11 tấm thẻ được đánh số từ 1 đến 11. tính số cách lấy ra 4 tấm thẻ từ hộp đó để tổng các số ghi trên 4 tấm thẻ ấy l
Whitepunk [10]

Answer:

16/33

Step-by-step explanation:

Tổng của cả 4 tấm thẻ là một số lẻ khi:

Có 1 thẻ là lẻ, 3 thẻ còn lại là chẵn, có: 6C1.5C3=60 cách

Có 3 thẻ là lẻ, 1 thẻ là chẵn, có: 5C1.6C3=100 cách

Suy ra có 160/11C4=16/33 cách

3 0
3 years ago
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