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konstantin123 [22]
2 years ago
13

Express 25km/h into m/s?

Mathematics
1 answer:
Helen [10]2 years ago
7 0

Answer:

3600(seconds) can also be expressed as 1(kilometer/hour) = 5/18 (meters/second), which is its simplified form. To convert km/h to m/s, directly multiply the given value of speed by the fraction 5/18.

Step-by-step explanation:

I think that explanation is obvious

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Answer:

well given that Ccs=x=-1=3\pi=c=4 my teacher thinks that its less than

Step-by-step explanation:

3 0
3 years ago
The predicted population of Andover t years after 2010 can be modeled by the following equation.
katrin2010 [14]

Answer: Hornell

Step-by-step explanation:

right on Plato

5 0
3 years ago
An electronics store is selling a laptop for $760 at several of its locations. The production costs for this model of laptop hav
Cerrena [4.2K]

Answer:

B. 58

Step-by-step explanation:

In the picture attached, the question is shown.

At the break-even point, costs and revenues are equal. From the picture, we can see that both curves, C(x) - cost - and R(x) - revenue - are equal at some point between 50 and 60 laptops, then the correct option is 58.

7 0
3 years ago
A challenge to all math experts...
liq [111]

Answer:

0

Step-by-step explanation:

<h3>Given</h3>
  • (x + \sqrt{1 + x^2})(y + \sqrt{1 + y^2}) = 1
  • (x+y)² = ?
<h3>Solution</h3>

<u>Let's make substitution as:</u>

  • (x + \sqrt{1 + x^2}) = m

then

  • (y + \sqrt{1 + y^2}) = 1/m

<u>Solving the first equation for x and the second one for y:</u>

  • (x + \sqrt{1 + x^2}) = m
  • \sqrt{1 + x^2} = m - x
  • 1 + x² = (m - x)²
  • 1 + x² = m² - 2mx + x²
  • 2mx = m² - 1
  • x = (m² - 1)/2m

And

  • (y + \sqrt{1 + y^2}) = 1/m
  • \sqrt{1 + y^2} = 1/m - y
  • 1 + y² = 1/m² -2y/m + y²
  • 1 = 1/m² - 2y/m
  • m² = 1 - 2my
  • 2my = 1 - m²
  • y = (1 - m²)/2m
  • y = - (m² - 1)/2m

<u>Now, sum of x and y:</u>

  • x + y =  (m² - 1)/2m - (m² - 1)/2m = 0

<u>Therefore:</u>

  • (x+y)² = 0

Answer is zero

8 0
3 years ago
The circumference of the inner circle is 88 ft. The distance between the inner circle and the outer circle is 3 ft. By how many
Bogdan [553]

Answer:

18.86 feet

Step-by-step explanation:

The circumference of the inner circle is 88 ft.

Circumference of a Circle=2\pi r

Therefore:

2\pi r =88\\r=88 \div (2*\frac{22}{7})=14 ft

Radius of the inner circle=14 feet

If the distance between the inner circle and the outer circle is 3 ft, the radius of the outer circle=14+3 =17 feet.

Therefore. circumference of the outer Circle=2\pi r

=2*\frac{22}{7}*17=106.86 ft

Difference in Circumference=106.86-88 =18.86 feet

The circumference of the outer circle is greater than that of the inner circle by 18.86 feet.

8 0
3 years ago
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