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3 years ago

Why does 2 plus 2 = 4 but not 5

Mathematics

2 answers:

lord [1]3 years ago

4 0

Answer: bc its numbers

Step-by-step explanation:

Lubov Fominskaja [6]3 years ago

3 0

Answer:

Because the sum of two even numbers is even.

Hope this helps! :)

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In a certain year, the probability that a randomly selected vehicle would be involved in a deadly tire-related accident was appr

solmaris [256]

Answer:

The probability that a vehicle would be involved in a tire-related accident is $P(TRA)=8x10^{-5}$

Step-by-step explanation:

We need to calculate the probability that a vehicule would be involved in a tire-related accident.

We know that, given a tire-related accident (TRA), the probability of it being deadly (D) is 0.05. That is:

$P(D|TRA)=0.05$

We also know that the probability of being involved in a deadly tire-related accident is 0.000004 . We can express that as the probability of having a TRA multiplied by the probability of it being deadly:

$P(D|TRA)*P(TRA)=0.000004$

Merging the two expressions we have:

$P(TRA)=0.000004/P(D|TRA)=0.000004/0.05=0.00008=8x10^{-5}$

6 0

3 years ago

Which ones are a parallelogram and which are not?

vladimir2022 [97]

1,4,3 are parallelogram and the the second one is not necessarily a parallelogram

4 0

4 years ago

What do you know to be true about the values of a and b?

Ivanshal [37]

Answer:

I don't think there is a way the values can be determined...

5 0

2 years ago

Select all triangles whose side lengths prove they are right triangles. You must select all that apply.

Bogdan [553]

It is D.

Reason. 3^2 is 9, 4^2 is 16.
16+9= 25
The square root of 25 is 5.
Therefore it is D.

6 0

2 years ago

Read 2 more answers

What is the coordinate of the circumference of the circle? Question 2 options: (-3, -1) (1/2, -1/2) (1/2, 0) (0,0)

Norma-Jean [14]

Answer:

The circumcentre of the circle is (0.5,-0.5)

Step-by-step explanation:

Since this is a right triangle, UW is its diameter.

<u>CONCEPT :</u> The angle subtended by the diameter at the circumference of the circle =90°

Hence , center of circle is midpoint of line segment UW.

U(-3,2) and W(4,-3)

Taking the midpoint ,

C( $(\frac{-3 + 4}{2} ,\frac{2-3}{2} )$

Center is C(0.5,-0.5) .

Radius = CV = $\sqrt{(-2.5)^{2}+(-3.5)^{2}}$

R = $\sqrt{\frac{37}{2} }$

Equation of circle is $(x - 0.5)^2 + (y+0.5)^2 = \frac{37}{2}$

The circumcircle of triangle is (0.5,-0.5)

5 0

3 years ago