What is the median of this data set? O A) 88 OB) 87 OC) 75 OD) 95
1 answer:
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to convert a fraction to a decimal, like say a/b is really simply the quotient of a ÷ b.
now, let's first convert the mixed fraction to improper, and then do the division.
The value of x is 44°.
Step-by-step explanation:
Step 1:
The sum of the angles in a triangle is equal to 180°.
The sum of the angles along a straight line is 180°.
The two given angles of the triangle are 14° and 30°.
Assume the third angle is a.
The sum of 14°, 30° and a is 180°.
So the third angle of the triangle is 136°.
Step 2:
The sum of the angles along a straight line is 180°.
The sum of the angle of the triangle, 136° and x is 180°.
So x measures 44°.
To find the surface area of a prism, we must find the area of each side and add them up.
Let's first find the area of the triangular base.
The area of a triangle is
Where b is the base length and h is the height.
The base length of the triangle is 10.5. The height is 10.
The triangular base has an area of 52.5 cm².
The triangular top must also have the same area. Thus, it also has an area of 52.5 cm².
Now we to find the length of the 3 rectangles on the side of the prism.
The formula for the area of a rectangle is
where
is the width and 
is the length.
All rectangles have a width of 8. They all have different lengths. If we find the area of all the rectangles, we have the following:
Now, add up ALL the areas we found. We'll have our surface area once we do this.
The surface area is 385 cm². Hope this helps! :)
Let's first find the area of the triangular base.
The area of a triangle is
Where b is the base length and h is the height.
The base length of the triangle is 10.5. The height is 10.
The triangular base has an area of 52.5 cm².
The triangular top must also have the same area. Thus, it also has an area of 52.5 cm².
Now we to find the length of the 3 rectangles on the side of the prism.
The formula for the area of a rectangle is
where
All rectangles have a width of 8. They all have different lengths. If we find the area of all the rectangles, we have the following:
Now, add up ALL the areas we found. We'll have our surface area once we do this.
The surface area is 385 cm². Hope this helps! :)