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Andrei [34K]
2 years ago
6

2400 people attended a football game. If 4% of the people who attended were teenagers, how many teenagers attended the game?

Mathematics
1 answer:
jonny [76]2 years ago
6 0
96
2400*.04
96
you are welcome
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Papessa [141]
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3 years ago
Help With This Equation:
kompoz [17]

Answer:

  • Base = 3 units
  • Height = 7 units
  • Area = 3 · 7
  •   = 21 units²

Step-by-step explanation:

Count the squares. The horizontal extent is 3 squares, so is 3 units.

The vertical extent is 7 squares, so is 7 units. We're only concerned with the vertical distance between the horizontal lines at the top and bottom of the figure. The slant distance along the side of the figure is irrelevant.

From there, fill the numbers into the blanks and do the multiplication. "bh" means multiply the Base value by the Height value.

_____

<em>Comment on units</em>

It is not quite true that 3·7 = 21 units². What is true is that ...

  (3 units)·(7 units) = 21 units²

The equal sign should be treated with respect and care. What is found on one side must always be strictly equal to what is found on the other side. You cannot simply add "units²" to one side of the equation because you feel like it. There must be something corresponding on the other side of the equation.

You can actually multiply and divide units (and in Physics, you're expected to do so). The units can be attached to the numbers and treated in the math as though they were a variable. This can be especially helpful in area, volume, time/speed/distance, and unit-rate problems.

5 0
3 years ago
Write inequalities to describe the solid left (x &lt; 0 is left) hemisphere of a sphere of radius 4 centered at the origin
Serggg [28]
The equation of the sphere centered at 0, and radius 4 is:

\displaystyle{ x^2+y^2+z^2=4^2, 

note that this equation describes exactly the points of the surface of the square. That is, this is an EMPTY sphere.

The solid sphere, that is the points on the surface and all points in the inside, are given by :

\displaystyle{ x^2+y^2+z^2 \leq 4^2


since we want the left part of the solid part, picture 2, we add the condition x<0,


thus "the solid left (x < 0 is left) hemisphere of a sphere of radius 4 centered at the origin" is given by the system of inequalities:

i) \displaystyle{ x^2+y^2+z^2 \leq 4^2
ii)x\ \textless \ 0

8 0
3 years ago
Read 2 more answers
If a=8 and b=5 and x=4 and y=6m -2 what is the value of m ?
Serga [27]

Answer:

m = 2

Step-by-step explanation:

Given:

x = 4

y = 6m - 2

a = 8

b = 5

Required:

Value of m

SOLUTION:

x and y are segments of a chord divided when it intersects another chord that also has segments a and b.

According to the Intersecting chords theorem, a*b = x*y

Thus:

8*5 = 4*(6m - 2)

Solve for m

40 = 24m - 8

40 + 8 = 24m - 8 + 8

48 = 24m

\frac{48}{24} = \frac{24m}{24}

2 = m

The value of m = 2

3 0
3 years ago
Form a linear equation in two variables for each of the following :
miv72 [106K]

Step-by-step explanation:

a. (0.60x + 0.70y)- 50 = 10

<=> 0.60x + 0.70y = 60

b. (x+y) = 5(x-y)

x+y=5x-5y

<=> 4x - 6y = 0

8 0
2 years ago
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