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Rom4ik [11]
3 years ago
9

In a word problem, what does "is" represent? in math

Mathematics
2 answers:
notka56 [123]3 years ago
6 0
It could mean a ratio of a number. for example, i could say 30 percent of bag or marbles IS red.
maksim [4K]3 years ago
4 0

Answer:

is means equals in math terms

Step-by-step explanation:

example is 10 times 10 is 100

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Tommy and Arnold are playing with water balloons. Arnold is standing by a bush that is 20 feet from where Tommy is standing. Tom
erik [133]

Answer:

The equation that describes the path of the water balloon is:

y =-\frac{1}{10}\cdot (x-10)^{2}+15

Step-by-step explanation:

The motion of the water balloon is represented by quadratic functions. Tommy launches a water balloon from A(x,y) = (0\,ft, 5\,ft) and hits Arnold at B(x,y) = (20\,ft, 5\,ft). Given the property of symmetry of quadratic function, water ballon reaches its maximum at C(x,y) = (10\,ft,15\,ft), which corresponds to the vertex of the standard equation of the parabola, whose form is:

y = a\cdot (x-h)^{2}+k (Eq. 1)

Where:

a - Vertex parameter, measured in \frac{1}{ft}.

h, k - Horizontal and vertical components of the vertex, measured in feet.

x, y - Horizontal and vertical location of the ball, measured in feet.

If we know that x = 0\,ft, y = 5\,ft, h = 10\,ft and k = 15\,ft, the vertex parameter is:

5\,ft = a\cdot (0\,ft-10\,ft)^{2}+15\,ft

a = \frac{5\,ft-15\,ft}{(0\,ft-10\,ft)^{2}}

a = - \frac{1}{10}\,\frac{1}{ft}

The equation that describes the path of the water balloon is:

y =-\frac{1}{10}\cdot (x-10)^{2}+15

6 0
4 years ago
If you want to earn 15% annual simple interest on an investment, how much should you pay for a note that will be worth $27,000 i
photoshop1234 [79]
For some payment P, you want
  27000 = P + I
  27000 = P + Prt . . . . substituting the formula for I
  27000 = P(1 + .15·10/12) = 1.125
Then
  27000/1.125 = P = 24000

You should pay $24,000 for the note.
3 0
3 years ago
A certain human red blood cell has a diameter of 0.000007 meters. Which expression represents this diameter, in meters, in scien
vazorg [7]

Answer:

Step-by-step explanation:

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4 years ago
2n + 3 = -3.2 what is the answer to n
Vlad1618 [11]

Answer:n=-3.1

Step-by-step explanation:

2n + 3 = -3.2

Subtract 3 on both sides

2n+3-3=-3.2-3

2n=-6.2

Divide 2 on both sides

2n/2=-6.2/2

n=-3.1

6 0
3 years ago
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At a sale this week, a sofa is being sold for $584 . this is a 27% discount from the original price. what is the original price?
Effectus [21]
The original price should be 800$. Tell me if you need the calculations
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4 years ago
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