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4 years ago

What is the unit rate and state rate of 253 for 20 hours?

Mathematics

1 answer:

Vilka [71]4 years ago

6 0

The unit rate is 12.65 per hour.

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The smallest square number which can be divisible by 11 and 5

Elena L [17]

Answer:

3025

Step-by-step explanation:

let's look at it in this concept.

For a number to be divisible by 11 and 5. it must be a multiple of the LCM of 11 and 5.

LCM of 11 and 5=55

therefore the number is 55x, where x is a positive integer.

it is a said that the number is a perfect square

therefore the square root of 55x must be an integer.

$\sqrt{55x} = \sqrt{5 \times 11 \times x}$

the smallest value of x to make 55x a perfect square is....

$x = 11 \times 5 = 55$

Therefore the number is.... .

$55x = 55(55) = 3025$

sweet right

<h2>BRAINLIEST PLS....</h2>

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3 years ago

A pair of socks is purchased

ycow [4]

There was a 200% increase

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3 years ago

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Write an algebraic expression to answer the question below. if 10 calculators cost d dollars, how much, in dollars, does each ca

kupik [55]

It should cost 8 dollars all together.

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3 years ago

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg.

frosja888 [35]

Answer:

100 N

Step-by-step explanation:

f= 0.05*2000=100 N

8 0

3 years ago

The center of a circle is 5 units below the origin, and the radius is 10 units. what is the equation of the circle?

levacccp [35]

Answer:

x² + (y + 5)² = 100

Step-by-step explanation:

If the center of the circle is 5 units below the origin, its x coordinate is 0 and its y-coordinate is -5. So, the center of the circle is at (0, -5).

Using the equation of a circle with center (h, k)

(x - h)² + (y - k)² = r² where r = radius of the circle.

Given that r = 10 units, and substituting the values of the other variables into the equation, we have

(x - h)² + (y - k)² = r²

(x - 0)² + (y - (-5))² = 10²

x² + (y + 5)² = 100

which is the equation of the circle.

6 0

3 years ago

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