Forty tickets were sold for a lottery. two tickets were bought, what are the chances of winning

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Answer 1

Answer: This answer is from what I am understanding and sorry for no explanation.

2/40 simplified = 1/20

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I need help please and thank you
"when you adjust one number and change another number in the problem to make a computation easier, you use ........... "

The point A is on a mountain,which is 5700 m above sea level and point B is in a mine, which is 39600 m below sea level. Find the vertical distance between A and B.

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$39600+5700=45300$

The median of 10,31,36,36,38,42,47,48,49,52

Answers

So,

To find the median, arrange all the numbers from least to greatest.

10, 31, 36, 36, 38, 42, 47, 48, 49, 52

The middle two numbers are 38 and 42. Take their average.
40

40 is the median of 10, 31, 36, 36, 38, 42, 47, 48, 49, and 52.

What is the answer to this??

Answers

The answer is B 2+3=5 change 5 into 5/1 do 1/5×5/1 which equals 5/5 then change it to 1z -1+1 equals 0, -4z equals -3

When Derek planted a tree it was 36 inches tall. The tree grew 1 1/4 inches per year. The tree is now 44 3/4 inches tall. How many years ago did Derek plant the tree?

Answers

Original Height = 36 inches.

Change in height:

$44(3)/(4) - 36 = 8(3)/(4)$

Number of years :

$8(3)/(4) / 1(1)/(4)$

$=(35)/(4) / (5)/(4)$

$=(35)/(4) * (4)/(5)$

$=7$

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Answer; Derek has planted the tree for 7 years.
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Find an equation for the parabola with focus at (-5,-4) and vertex at (-5,-3)

Answers

Answer:

$(x+5)^(2)=-4(y+3)$

Step-by-step explanation:

Given:

Focus point = (-5, -4)

Vertex point = (-5, -3)

We need to find the equation for the parabola.

Solution:

Since the x-coordinates of the vertex and focus are the same,

so this is a regular vertical parabola, where the x part is squared. Since the vertex is above the focus, this is a right-side down parabola and p is negative.

The vertex of this parabola is at (h, k) and the focus is at (h, k + p). So, directrix is y = k - p.

Substitute y = -4 and k = -3.

$-4 = -3+p$

$p=-4+3$

$p=-1$

So the standard form of the parabola is written as.

$(x-h)^(2)=4p(y-k)$

Substitute vertex (h, k) = (-5, -3) and p = -1 in the above standard form of the parabola.

So the standard form of the parabola is written as.

$(x-(-5))^(2)=4(-1)(y-(-3))$

$(x+5)^(2)=-4(y+3)$

Therefore, equation for the parabola with focus at (-5,-4) and vertex at (-5,-3)

$(x+5)^(2)=-4(y+3)$

Is is possible to draw a triangle with angles of, 150, 20, 20

Answers

The angles 150°, 20°, and 20° are not the angles of the triangle.

What is the triangle?

The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.

We know that the interior angles of the triangle are the supplementary angles which means the aggregation of the angle results in 180 degrees.

The angles are 150°, 20°, and 20°.

Check whether these angles are the angles of a triangle or NOT. If the sum of these angles is 180 degrees, then they are the angles of triangle.

⇒ 150° + 20° + 20°

⇒ 190°

The angles 150°, 20°, and 20° are not the angles of the triangle.

More about the triangle link is given below.

brainly.com/question/25813512

#SPJ2

The angles of a triangle MUST add up to 180º, otherwise it would not be a triangle.
150 + 20 + 20 = 190
Since 190 does not equal 180, you can NOT draw a triangle with these three angles.

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