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BARSIC [14]
3 years ago
11

How did I lose 5 points?

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0

x + 4 = 3x - 8, is assuming D is the midpoint, and therefore ED = DB.

all we know is that D is <u>somewhere</u> in EB.


\bf E\stackrel{x+4}{\rule[0.35em]{17em}{0.25pt}}D\stackrel{3x-8}{\rule[0.35em]{10em}{0.25pt}}B&#10;\\\\\\&#10;EB=ED+DB\implies EB=(x+4)+(3x-8)\implies EB=4x-4

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6 cm<br> 16 cm<br> What is the volume of the cylinder?
jenyasd209 [6]

V = 576 pi cm^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h  where r is the radius and h is the height

V = pi * (6)^2 * 16

V = pi *36*16

V = 576 pi cm^3

5 0
3 years ago
_______square feet? I need the square feet to​
Daniel [21]

Answer:

60 ft²

Step-by-step explanation:

The reason being that you take the height of 8 and multiply it by the width of 15. 8×15=120 Then since a triangle is half of a square you would halve it. 120÷2=60 Which would then give you your answer.

5 0
3 years ago
Can you guys please help me posted picture of question
Dimas [21]
Number of outcomes of rolling a die = 6
Number of outcomes from the spinner = 8

First we have to draw the 6 leaves to represent the 6 outcomes of rolling the die. Next on each of these leaves 8 possible outcomes of the spinner will be drawn using leaves.

So 6 leaves are being divided into further 8 leaves.

Thus total number of leaves will be  = 6 x 8 = 48 leaves

Therefore, the correct answer is option D 
3 0
3 years ago
In the triangle below, the value of h is 3/4 the side length that is labeled on the figure. What is the area of the triangle?
Nataly_w [17]
The correct answer is:  [C]:  " 8.64 mm² " .
________________________________________________
Note: 
______________________________________________________
Area of a triangle = (½)*(base length)*(height; that is, "perpendicular height");
________________________________________________________
or:  A = (½) * b * h ;
_________________________
Given:  "b = 4.8 mm" ;
            "h = (¾) * b = (¾)* (4.8 mm) = 3.6 mm ;
               → h = 3.6 mm ;
_____________________________________
  →  A = (½) * b * h  ;

           = (½) * (4.8 mm) * (3.6 mm) ;

    →  A  =  8.64 mm² ; which is:  Answer choice: [C] .
______________________________________
4 0
3 years ago
sonja wants to have $14000 in 13 years. calculate how much she should invest now at 6% interest, compounded semiannually in orde
mariarad [96]
She should invest $6491.73.

The equation we use to solve this is in the form
A=p(1+\frac{r}{n})^{nt}, 
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A in our problem is 14000.
p is unknown.
r is 6% = 6/100 = 0.06.
n is 2, since it is compounded semiannually.
t  is 13.

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5 0
3 years ago
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