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3 years ago

In which order do these have to be? 1-3? Please help!!

Mathematics

2 answers:

Law Incorporation [45]3 years ago

6 0

Answer:

dont know.

Step-by-step explanation:

natita [175]3 years ago

6 0

It looks like it’s already in order, first you subtract the x in the right so it’s 6x, then subtract 4 from 10 so 6 and then divide by 6

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Which are examples of unit rates? Check all that apply. A) 100 students for every 2 buses B) 1 teacher per 25 students C)4 penci

AleksandrR [38]

Answer:

C) 4 pencils for each student

D) 8 students per team

Step-by-step explanation:

A unit rate is the number of unit of the first type of a quantity corresponding to one unit of the second type of quantity.

That is, if a and b are two quantities,

Then, unit rate of quantity a = x units of 'a' per 1 unit of 'b' or x units of 'a' for 1 unit of 'b'

By the above statement,

The example of unit rates from the given options are,

4 pencils for each student,

8 students per team

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3 years ago

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What is the area of the figure below?

murzikaleks [220]

96m^2 is your answer

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3 years ago

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If A(3,4) and B(10,4) are the end points of a diameter of circle "O", what is the area of the circle O

ikadub [295]

Answer:

$\large\boxed{\dfrac{49\pi}{4}}$

Step-by-step explanation:

The formula of an area of a circle:

$A=\pi r^2$

r - radius

We have the endpoints of a diameter of a circle.

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Substitute the coordinates of the given points A(3, 4) and B(10, 4):

$d=\sqrt{(10-3)^2+(4-4)^2}=\sqrt{7^2+0^2}=\sqrt{7^2}=7$

Therefore we have the length of the diameter: d = 7

We know: d = 2r. Therefore

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Substitute to the formula of an area:

$A=\pi\left(\dfrac{7}{2}\right)^2=\dfrac{49\pi}{4}$

There is no such answer in the answers to choose.

Apparently you have some error in the coordinates of the endpoints.

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3 years ago

Simplify 2 (n+1) + n² + 4 (n-3)

Gala2k [10]

2 (n+1) + n² + 4 (n-3)
= 2n + 2 + n² + 4n - 12 ...expand by using distributive property
= n² + 6n - 10 ...combine like terms

hope it helps

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Ierofanga [76]

Answer:

Option b

Step-by-step explanation:

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