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3 years ago

First to help will get marked brainliest (please explain)

Mathematics

1 answer:

emmainna [20.7K]3 years ago

5 0

Answer:

I think the answer is b.

Step-by-step explanation:

I added all of the numbers together to get the total (the denominator). after that I subtracted 4 since that's the number of railroad property and got 7. which mean its 7/11.

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Hii please help i’ll give brainliest

Novosadov [1.4K]

I think the answer would be 1/2 but i’m not sure if that’s what it’s asking

4 0

3 years ago

Please solve with explanation (high points)

IgorLugansk [536]

So, we know that:

$A=\dfrac{1}{2}ab\\P=a+b+c\\a^2+b^2=c^2$

We also know that $(a+b)^2=a^2+2ab+b^2$ . We will use that fact to find $c$ in terms of $A$ and $P$ .

$A=\dfrac{1}{2}ab\Rightarrow 2ab=4A\\P=a+b+c\Rightarrow a+b=P-c$

Therefore:

$(P-c)^2=c^2+4A\\P^2-2cP+c^2=c^2+4a\\2cP=P^2-4A\\c=\dfrac{P^2-4A}{2P}$

7 0

2 years ago

SOLVE for me. All multiple choice

tester [92]

9: B right

10: C obtuse

11: B right

12: B right

I hope they are right! Sorry if they are not!

6 0

3 years ago

Explain how to do distributive property. Use an example.

klasskru [66]

Answer:

so we have 4(3x + 10)

then we are going to take the 4 and distribute it into our problem

so: 4(times)3x and then 4( times)10

to get :

Step-by-step explanation:

3 0

3 years ago

Find the area of the shaded regions below. Give your answer as a completely simplified exact value in terms of π (no approximati

Svetach [21]

Answer:

Answer:18+4.5 $\pi \\$

Step-by-step explanation:

This shape is a triangle with a semicircle connected to it

and this triangle is a right triangle so side A=B

that means the other leg is 6.Knowing that we can solve

The formula for the area of a triangle is (base×height)÷2

so that means 6×6 equals 36 and if you divide that by 2 you get the 18.

Now we will deal with the semicircle. We know that both of the legs are 6 so that means the diameter is 6 and now we solve 6 divided by 2 equals 3 and we will have to square that and we will 9 and since it is a semicircle we have to divide it by 2 and that will give us 4.5 and since we have to express it in terms of pi it will be 4.5(pi) and then we add both of the areas

giving us 18+4.5(pi)

and do you go to RSM

8 0

3 years ago