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3 years ago

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.

Mathematics

1 answer:

vaieri [72.5K]3 years ago

7 0

Answer:

5/4

Step-by-step explanation:

since you cannot put 2.5 : 2 into a fraction you double both numbers and you get 5 : 4 and this as a fraction is 5/4

hope this helps :)

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Which statements can be used to justify the fact that two right angles are supplementary? Select two options.

agasfer [191]

Answer:

A right angle measures 90°.

A supplementary angle is twice the measure of a complementary angle.

Step-by-step explanation:

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2 years ago

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Janelle wants to learn to play the piano. Her friends recommended two different music schools. Make Music charges $525 for 10 ho

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Piano Play has the better deal

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A 20-foot ladder leans up against the side of a building so that the foot of the ladder is 10 feet from the base of the building

harina [27]

Answer:

17.3

Step-by-step explanation:

To solve this equation, you need to use the pythagorean theorem which is:

$a^{2} +b^{2}= c^{2}$

a= length

b= height

c= hypotenuse

First, substitute in your values for the equation:

$10^2+b^{2} =20^{2}$

Then, use the squares in the equation:

$100+b^{2} =400$

Then, subtract 100 from both sides to isolate b:

$b^{2} =300$

Finally, square root both sides to get your answer:

$b=17.3205080757$

Then round to the nearest tenth which gives you 17.3.

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3 years ago

What is the midpoint of RS with endpoints R (-8, 3) and S (9, – 7)?

lubasha [3.4K]

Answer:

Midpoint coordinates are $(x,y) = (\frac{1}{2} , -2)$

Step-by-step explanation:

The Coordinates of R = (-8,3)

The Coordinates of S = (9, -7)

Let M be the mid point of M and its coordinates by (x,y)

Now, by mid point formula,

$(x,y) = (\frac{x_1 + x_2}{2} ,\frac{y_1 + y_2}{2} )$

⇒ $(x,y) = (\frac{1}{2} ,\frac{-4}{2} ) = (\frac{1}{2} , -2)$

So, the midpoint coordinates are $(x,y) = (\frac{1}{2} , -2)$

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3 years ago

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marshall27 [118]

It is three because there is one of everything

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