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3 years ago

Probability of 1 number when 100 numbers are available

Mathematics

1 answer:

Vilka [71]3 years ago

3 0

It would be 1/100 or 1%

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In this triangle, what is the value of x?

nalin [4]

Answer: $x=56.5\ km$

Step-by-step explanation:

Given the right triangle in the image, you need to remember the following identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

Observe the triangle. You can identify that:

$\alpha=28\°\\adjacent=x\\hypotenuse=64$

Then, knowing these values, you can substitute them into $cos\alpha=\frac{adjacent}{hypotenuse}$ :

$cos(28\°)=\frac{x}{64}$

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3 years ago

A rectangular prism has a volume of 19 cm if the length of the prism is tripled and the other dimensions stay the same what is t

eimsori [14]

Answer:

The volume of the new prism is three times the volume of the old prism

Step-by-step explanation:

To carry out this problem we have to invent 3 variables that represent length, width and height

w = width

h = height

l = length = 19cm

Now we have to do the equation that represents the calculation of the volume of the prism

v = w * h * l

v = w * h * 19

v = 19hw

assuming the length is tripled

v = w * h * 3l

v = w * h * 3 * 19

v = 57wh

To know the volume of the new prism with respect to the previous one, we simply divide the volume of the new prism by the previous one.

57hw / 19hw = 3

The volume of the new prism is three times the volume of the old prism

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4b + 5 = 1 + 5b what is b?

Alla [95]

Answer: b = 4

Step-by-step explanation:

Given

4b + 5 = 1 + 5b

Subtract 4b on both sides

4b + 5 - 4b = 1 + 5b - 4b

5 = 1 + b

Subtract 1 on both sides

5 - 1 = 1 + b - 1

$\boxed{b=4}$

Hope this helps!! :)

Please let me know if you have any questions

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Answer:

Step-by-step explanation:

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