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Basile [38]
3 years ago
12

X = 5(84/100) + 4(10/100) +3(4/100) + 2(1/100) + 1(1/10)

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
6 0

Answer:

What they said

Step-by-step explanation:

Ilia_Sergeevich [38]3 years ago
5 0

the correct answer is,

x =  \frac{121}{25}

if you want me to solve without the parentheses then the answer would be,

x =  \frac{1609}{100}

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Find the area of triangle DEF with vertices D(-1,2), E(3,-2) and F(-2,-2).*
Veronika [31]

Answer:

<em>The area of the triangle DEF is 10.</em>

Step-by-step explanation:

<u>Area of a Triangle:</u>

A triangle of base B and height H (both must be perpendicular) has an area of:

\displaystyle A=\frac{BH}{2}

The image below shows the triangle formed by the points DEF. It's important to notice the points E and F lie on the same horizontal line because they both have the same y-coordinate.

This fact simplifies the calculations since we can easily compute the length the of base as the difference of their x-coordinates:

B=3-(-2)=3+2=5

Being the base of a horizontal line, the height of the triangle can be calculated as the difference of y-coordinates of D and the height of that line.

H=2-(-2)=4

With these two values, we calculate the area:

\displaystyle A=\frac{5*4}{2}=10

The area of the triangle DEF is 10.

4 0
3 years ago
HELP
alexira [117]
True, because the triangle is symmetrical

Hope this helps :)
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Does the order in which you add two integers with the same sign affect the sum
andrey2020 [161]
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OLEGan [10]

Answer:

5/6

Step-by-step explanation:

On a standard 6-sided die, there is only one 2. That means that there are 5 other numbers that it could land on (1, 3, 4, 5, 6).

Using that information, the probability of it not landing on a 2 is 5 out of 6 or 5/6. This is because you must do part over whole. The "part" in this situation is the 5 "wanted" numbers, and the "whole" is 6 because there are six potential numbers that it could land on.

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Answer:

The answer is D.

Step-by-step explanation:

In similarity, the triangles have the same angles but different length of sides.

(Correct me if I am wrong)

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3 years ago
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