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attashe74 [19]
3 years ago
13

After twenty movies, the value of her card is now 100 how much money did she start with

Mathematics
1 answer:
ch4aika [34]3 years ago
6 0

Answer:

2000

Step-by-step explanation:

20*100=2000

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Mnenie [13.5K]

Answer: A

Step-by-step explanation:

7 0
2 years ago
How many different outcomes are possible if you can choose between a bus or a train, full fare or concession and you can travel
Novosadov [1.4K]
3 pairs of choices give rise to 2^3 = 8 possibilities:
.. bus, full, morning
.. bus, full, afternoon
.. bus, concession, morning
.. bus, concession, afternoon
.. train, full, morning
.. train, full, afternoon
.. train, concession, morning
.. train, concession, afternoon
7 0
3 years ago
Find the slope of (17, 11)(5,0)
Genrish500 [490]

Answer:slope= 0.9 approximately



Step-by-step explanation:

Slope=y-y/x-x

=0-11/5-17

=11/12

=0.9 approximately to nearest one decimal

6 0
3 years ago
After transforming f(x) = 2x² +4x + 3 into vertex form, the vertex is easily identifiable. Which ordered pair is the vertex?
jolli1 [7]

The vertex is (-1,1)

Explanation:

The equation is f(x)=2x^{2} +4x+3

To find the vertex, we need the equation in the form of f(x)=a (x-h)^{2}+k

Dividing each term by 2 in the equation f(x)=2x^{2} +4x+3

f(x)=2(x^{2} +2x+\frac{3}{2} )

Now, completing the square by adding and subtracting 1, we get,

f(x)=2(x^{2} +2x+1-1+\frac{3}{2} )

The first three terms can be written as (x+1)^{2},

f(x)=2[(x+1)^{2}+\frac{1}{2}  ]

Multiplying 2 into the bracket, we get,

f(x)=2(x+1)^{2} +1

This equation is of the form f(x)=a (x-h)^{2}+k

Now, we shall find the vertex (h,k)

Thus, h=-1 and k=1

Thus, the vertex is (-1,1)

7 0
3 years ago
Solve the equation 6x^2 + 15x + 3= 2x^2 to the nearest tenth.
Slav-nsk [51]

Answer:

x = -0.2 and x = -3.5

Step-by-step explanation:

Combine like terms in the given equation, by subtracting 2x^2 from both sides:

6x^2 + 15x + 3 = 2x^2

-2x^2                = -2x^2

----------------------------------

4x^2 + 15x + 3 = 0

This is a quadratic equation.  We'll find the two solutions using the quadratic equation

      -b ± √(b^2 - 4ac)

x = ---------------------------

                  2a

Here the coefficients of the quadratic are a = 4, b = 15 and c = 3.

Thus, the discriminant b^2 - 4ac is 15^2 - 4(4)(3), or +177

and from that we know we'll find two real, unequal roots.

                                -15 ± √177

The roots are:  x = ------------------- , or x = -0.2 and x = -3.5

                                         8

5 0
2 years ago
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